<?xml version="1.0" encoding="utf-8"?>
<export-example>
  <doc>
    <id>17087</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>056319</pageFirst>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>5</issue>
    <volume>86</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2016-09-08</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Nonlinear dynamics of thin liqiud films consisting of two miscible components</title>
    <abstract language="eng">Recently, we systematically derived a system of two coupled conservation equations governing a thin liquid layer with a deformable surface composed of two completely miscible components [Phys. Fluids 22, 104102 (2010)]. One equation describes the location of the free surface and the second one the evolution of the mean concentration. This lubrication model was investigated previously in linearized form. The study is now extended to the fully nonlinear case of thin liquid films of a binary mixture (in one and two horizontal spatial dimensions) with and without heat transport. For an initially flat and motionless film heated from below, we analyze the component separation induced by the Soret effect. Nonlinear simulations show that the Soret effect can cause a multitude of interesting behaviors, such as oscillatory patterns and solitonlike structures (localized traveling drops or holes). A stronger component separation induced by stronger Soret effects favors faster-moving localized structures. For isothermal systems, we study the fusion and the mixing of two thin liquid films of different but perfectly miscible liquids. Marangoni-driven forces can cause delayed coalescence, ripple formation, and fingering patterns at the borderline between the two liquid layers. A systematic analysis for ripple pattern formation and finger instabilities at different diffusion constants shows that these phenomena appear more pronounced for lower diffusion in the system.</abstract>
    <parentTitle language="eng">Physical Review E</parentTitle>
    <identifier type="doi">10.1103/PhysRevE.86.056319</identifier>
    <identifier type="url">http://journals.aps.org/pre/abstract/10.1103/PhysRevE.86.056319</identifier>
    <identifier type="issn">2470-0053</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>17092</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>14113</pageFirst>
    <pageLast>14117</pageLast>
    <pageNumber/>
    <edition/>
    <issue>47</issue>
    <volume>30</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2016-09-08</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Can vibrations control drop motion?</title>
    <abstract language="eng">We discuss a mechanism for controlled motion of drops with applications for microfluidics and microgravity. The mechanism is the following: a solid plate supporting a liquid droplet is simultaneously subject to lateral and vertical harmonic oscillations. In this way the symmetry of the back-and-forth droplet movement along the substrate under inertial effects is broken and thus will induce a net driven motion of the drop. We study the dependency of the traveled distance on the oscillation parameters (forcing amplitude, frequency, and phase shift between the two perpendicular oscillations) via phase field simulations. The internal flow structure inside the droplet is also investigated. We make predictions on resonance frequencies for drops on a substrate with a varying wettability.</abstract>
    <parentTitle language="eng">Langmuir</parentTitle>
    <identifier type="doi">10.1021/la503415r</identifier>
    <identifier type="url">http://pubs.acs.org/doi/abs/10.1021/la503415r</identifier>
    <identifier type="issn">1520-5827</identifier>
    <identifier type="issn">1864-5631</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>19981</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1297</pageFirst>
    <pageLast>1306</pageLast>
    <pageNumber/>
    <edition/>
    <issue>6</issue>
    <volume>226</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2017-05-17</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Dancing drops over vibrating substrates</title>
    <parentTitle language="eng">The European Physical Journal Special Topics</parentTitle>
    <identifier type="url">https://link.springer.com/article/10.1140/epjst/e2016-60202-6</identifier>
    <identifier type="doi">10.1140/epjst/e2016-60202-6</identifier>
    <identifier type="issn">1951-6355</identifier>
    <identifier type="issn">1951-6401</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Markus</firstName>
      <lastName>Helbig</lastName>
    </author>
    <author>
      <firstName>Martin</firstName>
      <lastName>Meier</lastName>
    </author>
    <author>
      <firstName>Christoph</firstName>
      <lastName>Egbers</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Thin Film Instabilities</value>
    </subject>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>23721</id>
    <completedYear/>
    <publishedYear>2019</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>928</pageFirst>
    <pageLast>934</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>35</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2019-03-08</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Drop Behavior Influenced by the Correlation Length on Noisy Surfaces</title>
    <parentTitle language="eng">Langmuir</parentTitle>
    <identifier type="doi">10.1021/acs.langmuir.8b03878</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Artikelnummer">4</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Marion</firstName>
      <lastName>Tülling</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <author>
      <firstName>Olga</firstName>
      <lastName>Varlamova</lastName>
    </author>
    <author>
      <firstName>Kevin</firstName>
      <lastName>Hoefner</lastName>
    </author>
    <author>
      <firstName>Jürgen</firstName>
      <lastName>Reif</lastName>
    </author>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
    <collection role="institutes" number="1504">FG Experimentalphysik und funktionale Materialien</collection>
  </doc>
  <doc>
    <id>25040</id>
    <completedYear/>
    <publishedYear>2019</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>8</pageNumber>
    <edition/>
    <issue>5</issue>
    <volume>92</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2020-01-14</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Wetting properties of LIPSS structured silicon surfaces</title>
    <abstract language="eng">The controlled dynamics of liquid drops via generation of specific wetting states on a solid surface is of great interests both in the fundamental and applied sciences. Considering that the wettability is strongly dependent on the surface topography and surface roughness, we investigate – through experiments and theory – the effect of laser-induced periodic surface structures (LIPSS) generated on silicon (100) targets as a control parameter of wetting properties. To obtain structured silicon surfaces with different morphological features, we patterned the surface by irradiation with femtosecond pulses from an amplified Ti:Sapphire laser system (790 nm/100 fs/1 kHz) at a fluence in the range of 0.4–1.2 J/cm2 on a spot with a diameter about of 100 μm. Variation of the applied irradiation dose results in surface modifications with the roughness about of a few tens of nanometers are ranging from regular LIPSS patterns with the lateral period of about 500–700 nm to complex agglomerations of 3-D microstructures with several-μm feature size. The theoretical study on the correlation of wetting properties with the surface topography has been performed within a phase field model. We found an excellent agreement of numerical results with experiments.</abstract>
    <parentTitle language="eng">The European Physical Journal B</parentTitle>
    <identifier type="doi">10.1140/epjb/e2019-90672-2</identifier>
    <identifier type="issn">1434-6036</identifier>
    <identifier type="issn">1434-6028</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Artikelnummer">91</enrichment>
    <author>
      <firstName>Olga</firstName>
      <lastName>Varlamova</lastName>
    </author>
    <submitter>
      <firstName>Marion</firstName>
      <lastName>Tülling</lastName>
    </submitter>
    <author>
      <firstName>Jürgen</firstName>
      <lastName>Reif</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Stolz</lastName>
    </author>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
    <collection role="institutes" number="1504">FG Experimentalphysik und funktionale Materialien</collection>
  </doc>
  <doc>
    <id>24714</id>
    <completedYear/>
    <publishedYear>2019</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>2</pageNumber>
    <edition/>
    <issue>1</issue>
    <volume>19</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2019-11-20</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Horizontal Faraday instability in a circular channel</title>
    <abstract language="eng">We study surface waves in a circular channel placed on a rotating table. The tank can rotate with constant velocity and/or can oscillate. For a glycerin‐water‐solution with high viscosity, oscillation amplitudes about 20 cm and frequencies of 0.5 Hz, we observe surface patterns generated by a parametric instability. The circular geometry of the channel assures in a natural way the periodic lateral boundary conditions often used in the numerical simulations. Up to our knowledge this is the first experiment which evidences the horizontal Faraday instability in a container without walls blocking the flow in the oscillation direction. Experimental and numerical results are compared and discussed.</abstract>
    <parentTitle language="eng">Proceedings in Applied Mathematics and Mechanics (PAMM)</parentTitle>
    <identifier type="doi">10.1002/pamm.201900242</identifier>
    <identifier type="url">https://onlinelibrary.wiley.com/doi/abs/10.1002/pamm.201900242</identifier>
    <identifier type="issn">1617-7061</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Artikelnummer">e201900242</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Sebastian</firstName>
      <lastName>Richter</lastName>
    </author>
    <author>
      <firstName>Wenchao</firstName>
      <lastName>Xu</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Faraday instability</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Numerical solutions</value>
    </subject>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>24715</id>
    <completedYear/>
    <publishedYear>2020</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>67</pageFirst>
    <pageLast>73</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>79</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2019-11-20</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Undular bores in a large circular channel</title>
    <abstract language="eng">An experimental device previously developed for studying rotating baroclinic flows has been used to investigate undular bores formation, propagation and collision. Up to our knowledge this is the first experimental study of undular bores in a circular channel. For a setup without barriers, this geometry accomplishes in a natural way the periodic lateral boundary conditions, very often used in numerical simulations. An excellent agreement between the experiment and simulation has been achieved. The spatio-temporal structure of bores is well reproduced for the first few reflections or collisions.</abstract>
    <parentTitle language="eng">European Journal of Mechanics - B/Fluids</parentTitle>
    <identifier type="doi">10.1016/j.euromechflu.2019.09.003</identifier>
    <identifier type="url">https://www.sciencedirect.com/science/article/pii/S0997754619300706?via%3Dihub</identifier>
    <identifier type="issn">0997-7546</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <enrichment key="Fprofil">4 Künstliche Intelligenz und Sensorik / Artificial Intelligence and Sensor Technology</enrichment>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Wenchao</firstName>
      <lastName>Xu</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <author>
      <firstName>Sebastian</firstName>
      <lastName>Richter</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Undular bores</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Bore collision</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Periodical boundary conditions</value>
    </subject>
    <collection role="institutes" number="1501">FG Computational Physics</collection>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>30436</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>461</pageFirst>
    <pageLast>468</pageLast>
    <pageNumber/>
    <edition/>
    <issue>4</issue>
    <volume>Vol. 232</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-03-09</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Wave propagation in a circular channel: sloshing and resonance</title>
    <abstract language="eng">Surface wave resonance of a liquid (water) layer confined in a circular channel is studied both experimentally and numerically. For the experiment, eight unevenly distributed ultrasonic distance sensors measure the local height of the wave surface. The resonance curves show maxima only for odd multiples of the fundamental resonance frequency . We explained this behavior using a simple intuitive “ping-pong” like model. Collision of wave fronts can be observed for higher frequencies. Also, the wave reflection on the walls can be treated as wave collision with itself. The non-linearity seems to be weak in our study so the delay in the wave propagation before and after the collision is small. Time-space plots show localized propagating waves with high amplitudes for frequencies near resonance. Between the peaks low amplitude and harmonic patterns are observed. However, for higher frequencies, the frequency band for localized waves becomes wider. In the Fourier space-time plane, this can be observed as a point for the harmonic patterns or a superposition of two lines: one line parallel to wave-vector k axis corresponding to the excitation frequency and a second line with inclination given by wave propagation velocity . For planned future work, this result will help us to reconstruct the whole water surface elevation using time-series from only a few measurement points</abstract>
    <parentTitle language="eng">The European Physical Journal Special Topics</parentTitle>
    <identifier type="url">https://link.springer.com/article/10.1140/epjs/s11734-023-00790-z</identifier>
    <identifier type="doi">10.1140/epjs/s11734-023-00790-z</identifier>
    <identifier type="issn">1951-6401</identifier>
    <identifier type="issn">1951-6355</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Publikationsweg">Open Access</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <enrichment key="Fprofil">4 Künstliche Intelligenz und Sensorik / Artificial Intelligence and Sensor Technology</enrichment>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Sebastian</firstName>
      <lastName>Richter</lastName>
    </author>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Franz-Theo</firstName>
      <lastName>Schön</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>30636</id>
    <completedYear/>
    <publishedYear>2022</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>19</pageLast>
    <pageNumber/>
    <edition/>
    <issue>6</issue>
    <volume>7</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-04-03</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Phase field modeling in liquid binary mixtures: isothermal and non-isothermal problems</title>
    <abstract language="eng">The objective in the present paper is to study binary fluids with phase field modeling coupled with Navier-Stokes equations. An extended free energy is proposed to account for the continuous path from immiscible to miscible states. We consider fluid pairs that are immiscible for temperatures below the critical one (consolute temperature) and miscible above it. Our extended phase field equation permits us to move from the immiscible state (governed by the Cahn-Hilliard equation) to the miscible state (defined by the species diffusion equation). The scaling of interface tension and interface width with the distance to the critical point is highlighted. The whole system is mechanically excited showing Faraday instability of a flat interface. A linear stability analysis is performed for the stable case (interface waves) as well as for the unstable Faraday one. For the latter, a Floquet analysis shows the well-known Arnold's tongues as a function of the consolute temperature and depth layer. Moreover, two-dimensional finite difference simulations have been performed allowing us to model nonlinear flow patterns both in miscible and immiscible phases. Linear theory and nonlinear simulations show interesting results such as the diminishing of the wavelength of Faraday waves or a shift of the critical vibration amplitude when the consolute temperature is approached.</abstract>
    <parentTitle language="eng">Physical Review Fluids</parentTitle>
    <identifier type="url">https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.7.064005</identifier>
    <identifier type="doi">10.1103/PhysRevFluids.7.064005</identifier>
    <identifier type="issn">2469-990X</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Artikelnummer">064005</enrichment>
    <enrichment key="Fprofil">4 Künstliche Intelligenz und Sensorik / Artificial Intelligence and Sensor Technology</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <author>
      <firstName>Deewakar</firstName>
      <lastName>Sharma</lastName>
    </author>
    <author>
      <firstName>Sakir</firstName>
      <lastName>Amiroudine</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Binary fluids</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Drop coalescence</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Drop interactions</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Drops &amp; bubbles</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Microfluidics</value>
    </subject>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>30940</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>365</pageFirst>
    <pageLast>366</pageLast>
    <pageNumber/>
    <edition/>
    <issue>4</issue>
    <volume>232</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-05-17</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">IMA10: interfacial fluid dynamics and processes</title>
    <abstract language="eng">MA10–special issue presents recent advances on interfacial fluid dynamics with applications in microfluidics, biology, engineering and geophysics.</abstract>
    <parentTitle language="eng">European Physical Journal Special Topics</parentTitle>
    <identifier type="doi">10.1140/epjs/s11734-023-00798-5</identifier>
    <identifier type="issn">1951-6401</identifier>
    <identifier type="issn">1951-6355</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <enrichment key="Fprofil">4 Künstliche Intelligenz und Sensorik / Artificial Intelligence and Sensor Technology</enrichment>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>Katrin</firstName>
      <lastName>Gregor</lastName>
    </submitter>
    <author>
      <firstName>Sebastian</firstName>
      <lastName>Popescu</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Fluid Dynamics</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Instabilities Droplets</value>
    </subject>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>36305</id>
    <completedYear/>
    <publishedYear>2025</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>21</pageLast>
    <pageNumber>21</pageNumber>
    <edition/>
    <issue/>
    <volume>2025</volume>
    <type>articler</type>
    <publisherName>Birkhäuser, part of Springer Nature</publisherName>
    <publisherPlace>Basel</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2025-07-21</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Mean fluid transport in an oscillating circular channel with asymmetric forcing</title>
    <abstract language="eng">We investigate surface waves in an oscillating circular channel with local topography. The focus is on spatially or temporally breaking this dynamic system’s symmetry. Asymmetrical wave dynamics and a mean flux excitation are detected to varying degrees, depending on the two input parameters, fluid depth and the tank’s oscillation frequency. The fluid resonates around multiples of the fundamental eigenfrequency of the channel. The development of solitary wave-trains (undular bores) is observed in these resonance bands. A particle image velocimetry system measures the velocity field in the vertical plane of the free surface flow. Moreover, we are using 17 evenly distributed ultrasonic sensors to measure the surface displacement. This makes it possible to find out how strongly the mean flux depends on the resonance frequencies and to study the influence of the surface waves on the symmetry breaking. A numerical long-wave model helps to isolate the various factors influencing the mean flux.</abstract>
    <parentTitle language="eng">Water waves : an interdisciplinary journal</parentTitle>
    <identifier type="doi">10.1007/s42286-025-00121-w</identifier>
    <identifier type="issn">2523-3688</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>
      <firstName>Franz-Theo</firstName>
      <lastName>Schön</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <author>
      <firstName>Ion Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Rodica</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>5582</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2011-02-23</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Thin film lubrication dynamics of a binarymixture</title>
    <enrichment key="UBICOIdent">006463</enrichment>
    <enrichment key="UBICOquelle">Physics of Fluids 22(2010)10, 104102 , 0031-9171</enrichment>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <submitter>
      <firstName>...</firstName>
      <lastName>Administrator</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <collection role="old_institute" number="01043">LS Statistische Physik / Nichtlineare Dynamik</collection>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>7697</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>articler</type>
    <publisherName/>
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    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2012-02-27</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Simulation of pattern morphology in binary liquid mixtures</title>
    <enrichment key="UBICOIdent">008981</enrichment>
    <enrichment key="UBICOquelle">AIP Conference Proceedings (2010)1203, pp. 1166-1171, 0094-243X</enrichment>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <submitter>
      <firstName>...</firstName>
      <lastName>Administrator</lastName>
    </submitter>
    <author>
      <firstName>Michael</firstName>
      <lastName>Bestehorn</lastName>
    </author>
    <collection role="old_institute" number="01043">LS Statistische Physik / Nichtlineare Dynamik</collection>
    <collection role="institutes" number="1502H01">FG Statistische Physik und Nichtlineare Dynamik</collection>
  </doc>
  <doc>
    <id>11515</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>255</pageFirst>
    <pageLast>297</pageLast>
    <pageNumber/>
    <edition/>
    <issue>vol. 751</issue>
    <volume/>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2014-07-03</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Inertial wave excitation and focusing in a liquid bounded by a frustum and a cylinder</title>
    <abstract language="eng">The mechanism of localized inertial wave excitation and its efﬁciency is investigated for an annular cavity rotating with Ω0 . Meridional symmetry is broken by replacing&#13;
the inner cylinder with a truncated cone (frustum). Waves are excited by individual longitudinal libration of the walls. The geometry is non-separable and exhibits wave&#13;
focusing and wave attractors. We investigated laboratory and numerical results for the Ekman number E ≈ 10−6. inclination α = 5.71◦ and libration amplitudes ε 0.2 within the inertial wave band 0 &lt; ω &lt; 2Ω0 . Under the assumption that the inertial waves do not essentially affect the boundary-layer structure, we use classical boundary-layer analysis to study oscillating Ekman layers over a librating wall that is at an angle α = 0 to the axis of rotation. The Ekman layer erupts at frequency ω = f∗, where f∗ ≡ 2Ω0 sin α is the effective Coriolis parameter in a plane tangential to the wall. For&#13;
the selected inclination this eruption occurs for the forcing frequency ω/Ω0 = 0.2. For the librating lids eruption occurs at ω/Ω0 = 2. The study reveals that the frequency dependence of the total kinetic energy Kω of the excited wave ﬁeld is strongly connected to the square of the Ekman pumping velocity wE (ω) that, in the linear limit, becomes singular when the boundary layer erupts. This explains the frequency dependence of non-resonantly excited waves. By the localization of the forcing, the two conﬁgurations investigated, (i) frustum libration and (ii) lids together with outer cylinder in libration, can be clearly distinguished by their response spectra. Good agreement was found for the spatial structure of low-order wave attractors and periodic orbits (both characterized by a small number of reﬂections) in the frequency windows predicted by geometric ray tracing. For ‘resonant’ frequencies a signiﬁcantly increased total bulk energy was found, while the energy in the boundary layer remained nearly constant. Inertial wave energy enters the bulk ﬂow via corner beams, which are parallel to the characteristics of the underlying Poincaré problem. Numerical simulations revealed a mismatch between the wall-parallel mass ﬂuxes&#13;
near the corners. This leads to boundary-layer eruption and the generation of inertial waves in the corners.</abstract>
    <parentTitle language="eng">Journal of Fluid Mechanics</parentTitle>
    <identifier type="doi">10.1017/jfm.2014.304</identifier>
    <identifier type="issn">1750-6859</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Marten</firstName>
      <lastName>Klein</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Torsten</firstName>
      <lastName>Seelig</lastName>
    </author>
    <author>
      <firstName>Michael V.</firstName>
      <lastName>Kurgansky</lastName>
    </author>
    <author>
      <firstName>Abouzar</firstName>
      <lastName>Ghasemi</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Andreas</firstName>
      <lastName>Will</lastName>
    </author>
    <author>
      <firstName>Eberhard</firstName>
      <lastName>Schaller</lastName>
    </author>
    <author>
      <firstName>Christoph</firstName>
      <lastName>Egbers</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>boundary-layer structure</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>geophysical and geological ﬂows</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>waves in rotating ﬂuids</value>
    </subject>
    <collection role="old_institute" number="03014">LS Aerodynamik und Strömungslehre</collection>
    <collection role="old_institute" number="04026">LS Umweltmeteorologie</collection>
    <collection role="institutes" number="2401">FG Atmosphärische Prozesse</collection>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>19661</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>254</pageFirst>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>7</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2017-03-23</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Temperature fluctuations in a changing climate: an ensemble-based experimental approach</title>
    <parentTitle language="eng">Scientific Reports</parentTitle>
    <identifier type="doi">10.1038/s41598-017-00319-0</identifier>
    <identifier type="issn">2045-2322</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Miklós</firstName>
      <lastName>Vincze</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>22556</id>
    <completedYear/>
    <publishedYear>2018</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>175</pageFirst>
    <pageLast>206</pageLast>
    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>112</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2018-11-13</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Baroclinic, Kelvin and inertia-gravity waves in the barostrat instability experiment</title>
    <parentTitle language="eng">Geophysical &amp; Astrophysical Fluid Dynamics</parentTitle>
    <identifier type="doi">10.1080/03091929.2018.1461858</identifier>
    <identifier type="issn">1029-0419</identifier>
    <identifier type="issn">0309-1929</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Costanza</firstName>
      <lastName>Rodda</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Patrice</firstName>
      <lastName>Le Gal</lastName>
    </author>
    <author>
      <firstName>Miklos</firstName>
      <lastName>Vincze</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>24176</id>
    <completedYear/>
    <publishedYear>2019</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>602</pageFirst>
    <pageLast>622</pageLast>
    <pageNumber/>
    <edition/>
    <issue>5/6</issue>
    <volume>113</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2019-06-24</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Nonnormality increases variance of gravity waves trapped in a tilted box</title>
    <parentTitle language="eng">Geophysical &amp; Astrophysical Fluid Dynamics</parentTitle>
    <identifier type="doi">10.1080/03091929.2018.1549660</identifier>
    <identifier type="issn">1029-041</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Andreas</firstName>
      <lastName>Krebs</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>27947</id>
    <completedYear/>
    <publishedYear>2021</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>11</pageNumber>
    <edition/>
    <issue/>
    <volume>11</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2021-11-17</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">The Drake Passage opening from an experimental fluid dynamics point of view</title>
    <parentTitle language="eng">SScientific Reports</parentTitle>
    <identifier type="issn">2045-2322</identifier>
    <identifier type="doi">10.1038/s41598-021-99123-0</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Artikelnummer">19951 (2021)</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <author>
      <firstName>Miklos</firstName>
      <lastName>Vincze</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Tamás</firstName>
      <lastName>Bozóki</lastName>
    </author>
    <author>
      <firstName>Mátyás</firstName>
      <lastName>Herein</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <author>
      <firstName>Attila</firstName>
      <lastName>Horicsányi</lastName>
    </author>
    <author>
      <firstName>Anita</firstName>
      <lastName>Nyerges</lastName>
    </author>
    <author>
      <firstName>Costanza</firstName>
      <lastName>Rodda</lastName>
    </author>
    <author>
      <firstName>András</firstName>
      <lastName>Pál</lastName>
    </author>
    <author>
      <firstName>József</firstName>
      <lastName>Pálfy</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>28005</id>
    <completedYear/>
    <publishedYear>2021</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>14</pageLast>
    <pageNumber/>
    <edition/>
    <issue>R1</issue>
    <volume>907</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2021-11-26</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Instability of vertically stratified horizontal plane Poiseuille flow</title>
    <parentTitle language="eng">Journal of Fluid Mechanics</parentTitle>
    <identifier type="doi">10.1017/jfm.2020.917</identifier>
    <identifier type="issn">1469-7645</identifier>
    <identifier type="issn">0022-1120</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <author>
      <firstName>Patrice</firstName>
      <lastName>Le Gal</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Stéphane</firstName>
      <lastName>Le Dizès</lastName>
    </author>
    <author>
      <firstName>J.</firstName>
      <lastName>Chen</lastName>
    </author>
    <author>
      <firstName>Benjamin</firstName>
      <lastName>Favier</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>29478</id>
    <completedYear/>
    <publishedYear>2022</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>8</issue>
    <volume>7</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2022-11-02</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Probability Distribution of Extreme Events in a Baroclinic Wave Laboratory Experiment</title>
    <abstract language="eng">Atmospheric westerly jet streams are driven by temperature differences between low and high latitudes and the rotation of the Earth. Meandering jet streams and propagating Rossby waves are responsible for the variable weather in the mid-latitudes. Moreover, extreme weather events such as heat waves and cold spells are part of the jet stream dynamics. For many years, a simple analog in the form of a simplified laboratory experiment, the differentially heated rotating annulus, has provided insight into the dynamics of the meandering jet stream. In the present study, probability density distributions of extreme events from a long-term laboratory experiment are studied and compared to the atmospheric probability density distributions. Empirical distributions of extreme value monthly block data are derived for the experimental and atmospheric cases. Generalized extreme value distributions are adjusted to the empirical distributions, and the distribution parameters are compared. Good agreement was found, but the distributions of the experimental data showed a shift toward larger extreme values, and some explanations for this shift are suggested. The results indicate that the laboratory model might be a useful tool for investigating changes in extreme event distributions due to climate change. In the laboratory context, the change can be modeled by an increase in total temperature accompanied by a reduction in the radial heat contrast.</abstract>
    <parentTitle language="eng">Fluids</parentTitle>
    <identifier type="doi">10.3390/fluids7080274</identifier>
    <identifier type="issn">2311-5521</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Artikelnummer">274</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Miklos</firstName>
      <lastName>Vincze</lastName>
    </author>
    <author>
      <firstName>Costanza</firstName>
      <lastName>Rodda</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
  <doc>
    <id>30953</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>19</pageNumber>
    <edition/>
    <issue>5</issue>
    <volume>14</volume>
    <type>articler</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-05-23</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">New Laboratory Experiments to Study the Large-Scale Circulation and Climate Dynamics</title>
    <abstract language="eng">The large-scale flows of the oceans and the atmosphere are driven by a non-uniform surface heating over latitude, and rotation. For many years scientists try to understand these flows by doing laboratory experiments. In the present paper we discuss two rather new laboratory experiments designed to study certain aspects of the atmospheric circulation. One of the experiments, the differentially heated rotating annulus at the Brandenburg University of Technology (BTU) Cottbus, has a cooled inner cylinder and a heated outer wall. However, the structure of the atmospheric meridional circulation motivates a variation of this “classical” design. In the second experiment described, operational at the Institute of Continuous Media Mechanics (ICMM) in Perm, heating and cooling is performed at different vertical levels that resembles more the atmospheric situation. Recent results of both experiments are presented and discussed. Differences and consistencies are highlighted. Though many issues are still open we conclude that both setups have their merits. The variation with heating and cooling at different levels might be more suited to study processes in the transition zone between pure rotating convection and the zone of westerly winds. On the other hand, the simpler boundary conditions of the BTU experiment make this experiment easier to control.</abstract>
    <parentTitle language="eng">Atmosphere</parentTitle>
    <identifier type="url">https://www.mdpi.com/2073-4433/14/5/836</identifier>
    <identifier type="doi">10.3390/atmos14050836</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="Artikelnummer">836</enrichment>
    <enrichment key="Fprofil">1 Energiewende und Dekarbonisierung / Energy Transition and Decarbonisation</enrichment>
    <enrichment key="Fprofil">3 Globaler Wandel und Transformationsprozesse / Global Change and Transformation Processes</enrichment>
    <author>
      <firstName>Uwe</firstName>
      <lastName>Harlander</lastName>
    </author>
    <submitter>
      <firstName>Silke</firstName>
      <lastName>Kaschwich</lastName>
    </submitter>
    <author>
      <firstName>Andrei</firstName>
      <lastName>Sukhanovskii</lastName>
    </author>
    <author>
      <firstName>Stéphane</firstName>
      <lastName>Abide</lastName>
    </author>
    <author>
      <firstName>Ion-Dan</firstName>
      <lastName>Borcia</lastName>
    </author>
    <author>
      <firstName>Elene</firstName>
      <lastName>Popova</lastName>
    </author>
    <author>
      <firstName>Costanza</firstName>
      <lastName>Rodda</lastName>
    </author>
    <author>
      <firstName>Andrei</firstName>
      <lastName>Vasiliev</lastName>
    </author>
    <author>
      <firstName>Miklos</firstName>
      <lastName>Vincze</lastName>
    </author>
    <collection role="institutes" number="3501">FG Aerodynamik und Strömungslehre</collection>
  </doc>
</export-example>
