@article{SenthurAnandRameshKumaretal.2022, author = {Senthur, N.S. and Anand, C and Ramesh Kumar, M and Elumalai, P.V. and Shajahan, Mohamed Iqbal and Benim, Ali Cemal and Nasr, Emad Abouel and Hussein, H.M.A. and Parthasarathy, M.}, title = {Influence of cobalt chromium nanoparticles in homogeneous charge compression ignition engine operated with citronella oil}, series = {Energy Science \& Engineering}, volume = {10}, journal = {Energy Science \& Engineering}, number = {4}, publisher = {Wiley}, issn = {2050-0505}, doi = {10.1002/ese3.1088}, pages = {1251 -- 1263}, year = {2022}, language = {en} } @inproceedings{LudwigBuechelHerderetal.2012, author = {Ludwig, Philipp and B{\"u}chel, Joachim and Herder, Jens and Vonolfen, Wolfgang}, title = {InEarGuide - A Navigation and Interaction Feedback System using In Ear Headphones for Virtual TV Studio Productions}, series = {9. Workshop Virtuelle und Erweiterte Realit{\"a}t der GI-Fachgruppe VR/AR}, booktitle = {9. Workshop Virtuelle und Erweiterte Realit{\"a}t der GI-Fachgruppe VR/AR}, address = {D{\"u}sseldorf}, year = {2012}, abstract = {This paper presents an approach to integrate non-visual user feedback in today's virtual tv studio productions. Since recent studies showed that systems providing vibro-tactile feedback are not sufficient for replacing the common visual feedback, we developed an audio-based solution using an in ear headphone system, enabling a talent to move, avoid and point to virtual objects in a blue or green box. The system consists of an optical head tracking system, a wireless in ear monitor system and a workstation, which performs all application and audio processing. Using head related transfer functions, the talent gets directional and distance cues. Past research showed, that generating reflections of the sounds and simulating the acoustics of the virtual room helps the listener to conceive the acoustical feedback, we included this technique as well. In a user study with 15 participants the performance of the system was evaluated.}, language = {en} } @inproceedings{SteffensHimmelein2022, author = {Steffens, Jochen and Himmelein, Hendrik}, title = {Induced cognitive load influences unpleasantness judgments of modulated noise}, series = {Proceedings of the 24th International Congress on Acoustics}, booktitle = {Proceedings of the 24th International Congress on Acoustics}, address = {Gyeoungju, S{\"u}dkorea}, year = {2022}, language = {en} } @article{NehrBausCınaretal.2024, author = {Nehr, Sascha and Baus, Lukas and {\c{C}}{\i}nar, Hasan and Elsen, Ingo and Frauenrath, Tobias}, title = {Indoor environmental quality assessment in passively ventilated classrooms in Germany and estimation of ventilation energy losses}, series = {Journal of Building Engineering}, volume = {97}, journal = {Journal of Building Engineering}, publisher = {Elsevier}, issn = {2352-7102}, doi = {10.1016/j.jobe.2024.110937}, year = {2024}, language = {en} } @inproceedings{JohanningBraunElmanetal.2007, author = {Johanning, M. and Braun, Alexander and Elman, V. and Wunderlich, Chr. and Neuhauser, W.}, title = {Individual Addressing with Trapped Yb+ Ions}, series = {2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, 17.06.2007 - 22.06.2007, Munich, Germany}, booktitle = {2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, 17.06.2007 - 22.06.2007, Munich, Germany}, publisher = {IEEE}, address = {M{\"u}nchen}, isbn = {978-1-4244-0930-3}, doi = {10.1109/CLEOE-IQEC.2007.4386787}, pages = {1}, year = {2007}, language = {en} } @article{JohanningBraunTimoneyetal.2009, author = {Johanning, M. and Braun, Alexander and Timoney, N. and Elman, V. and Neuhauser, W. and Wunderlich, Chr}, title = {Individual addressing of trapped ions and coupling of motional and spin states using RF radiation}, series = {Physical review letters}, volume = {102}, journal = {Physical review letters}, number = {7}, publisher = {American Physical Society}, issn = {1079-7114}, doi = {10.1103/PhysRevLett.102.073004}, year = {2009}, abstract = {Individual electrodynamically trapped and laser cooled ions are addressed in frequency space using radio-frequency radiation in the presence of a static magnetic field gradient. In addition, an interaction between motional and spin states induced by an rf field is demonstrated employing rf optical double resonance spectroscopy. These are two essential experimental steps towards realizing a novel concept for implementing quantum simulations and quantum computing with trapped ions.}, language = {en} } @inproceedings{JuerjensMarchalOchoaetal.2011, author = {J{\"u}rjens, Jan and Marchal, Lo{\"i}c and Ochoa, Mart{\´i}n and Schmidt, Holger}, title = {Incremental Security Verification for Evolving UMLsec models}, series = {Modelling Foundations and Applications: 7th European Conference, ECMFA 2011, Birmingham, UK, June 6 - 9, 2011 Proceedings}, volume = {LNCS, 6698}, booktitle = {Modelling Foundations and Applications: 7th European Conference, ECMFA 2011, Birmingham, UK, June 6 - 9, 2011 Proceedings}, editor = {France, Robert B. and Kuester, Jochen M. and Bordbar, Behzad and Paige, Richard F.}, publisher = {Springer}, address = {Berlin, Heidelberg}, isbn = {978-3-642-21469-1}, doi = {10.1007/978-3-642-21470-7_5}, pages = {52 -- 68}, year = {2011}, language = {en} } @inproceedings{EversheimDeckertWestekemper2000, author = {Eversheim, Walter and Deckert, Carsten and Westekemper, Markus}, title = {Increasing Efficiency through Integration of Freeform-Features into the CAD/CAM Chain}, series = {Product Data Technology Europe 2000}, booktitle = {Product Data Technology Europe 2000}, pages = {355 -- 362}, year = {2000}, language = {en} } @article{PreciadoLopezHuberGrigorievetal.2014, author = {Preciado L{\´o}pez, Magdalena and Huber, Florian and Grigoriev, Ilya and Steinmetz, Michel O. and Akhmanova, Anna and Dogterom, Marileen and Koenderink, Gijsje H.}, title = {In vitro reconstitution of dynamic microtubules interacting with actin filament networks}, series = {Methods in Enzymology}, volume = {540}, journal = {Methods in Enzymology}, publisher = {Elsevier}, issn = {1557-7988}, doi = {10.1016/B978-0-12-397924-7.00017-0}, pages = {301 -- 320}, year = {2014}, language = {en} } @incollection{EliassonWatsonWeber2016, author = {Eliasson, J. and Watson, I.M. and Weber, Konradin}, title = {In Situ Observations of Airborne Ash From Manned Aircraft}, series = {Volcanic Ash}, booktitle = {Volcanic Ash}, publisher = {Elsevier}, isbn = {9780081004050}, doi = {10.1016/B978-0-08-100405-0.00009-4}, pages = {89 -- 98}, year = {2016}, language = {en} } @article{SaffellNehr2023, author = {Saffell, John and Nehr, Sascha}, title = {Improving Indoor Air Quality through Standardization}, series = {Standards}, volume = {3}, journal = {Standards}, number = {3}, publisher = {MDPI}, issn = {2305-6703}, doi = {10.3390/standards3030019}, pages = {240 -- 267}, year = {2023}, abstract = {Human beings experience a large fraction of their exposure to air pollutants in indoor environments. Air pollution is a large environmental health risk, and exposure to ambient air pollution and indoor air pollution contribute equally to the total number of fatalities worldwide. Although legislative authorities have established limit values for ambient outdoor air and stack emissions, there are inconsistent and variable national and regional limit values for gaseous substances and airborne particulate matter in the built environment (schools, homes, healthcare facilities, offices, and other public spaces). This lack of regulation is unsurprising, because indoor spaces are characterized by complex air chemistry, and their construction materials and types of activities vary significantly. The current understanding of indoor pollutants, including short-lived oxidants, degradation of VOCs, particle formation, and particle composition, is incomplete. It is necessary to identify and assess emerging pollutants and their toxicity, and to consider new consumer products and green construction materials and their impact on indoor air quality (IAQ). Learning from IAQ surveys and audit protocols, research methodologies should be regularized for cross-research comparisons. Some indoor air quality guidance and standards have been written, and several more are in development, with the international ISO 16000 series of indoor standards leading the way for improving indoor air data quality. The WHO has established some ambient air limit values which can mostly be translated into indoor limit values. The built environment needs to harmonize energy efficiency, thermal comfort and air quality standards and guidance. In this review, we discuss the next steps for improving international, regional and national standards and guidance, leading to better and more complete indoor air quality regulations.}, language = {en} } @inproceedings{SchoopHebischFranz2024, author = {Schoop, Sven and Hebisch, Erik and Franz, Thomas}, title = {Improving Comprehensibility of Event-Driven Microservice Architectures by Graph-Based Visualizations}, series = {Software Architecture : 18th European Conference, ECSA 2024, Luxembourg City, September 3-6, 2024}, volume = {Lecture Notes in Computer Science ; 14889}, booktitle = {Software Architecture : 18th European Conference, ECSA 2024, Luxembourg City, September 3-6, 2024}, editor = {Galster, Matthias and Scandurra, Patrizia and Mikkonen, Tommi and Oliveira Antonino, Pablo and Nakagawa, Elisa Yumi and Navarro, Elena}, publisher = {Springer Nature}, address = {Cham}, isbn = {9783031707964}, issn = {0302-9743}, doi = {10.1007/978-3-031-70797-1_14}, pages = {207 -- 214}, year = {2024}, language = {en} } @article{EilertRolfHeumaieretal.2013, author = {Eilert, Eva and Rolf, Theresa and Heumaier, Andreas and Hollenberg, Cornelis P. and Piontek, Michael and Suckow, Manfred}, title = {Improved processing of secretory proteins in Hansenula polymorpha by sequence variation near the processing site of the alpha mating factor prepro sequence}, series = {Journal of biotechnology}, volume = {167}, journal = {Journal of biotechnology}, number = {2}, publisher = {Elsevier}, doi = {10.1016/j.jbiotec.2012.08.024}, pages = {94 -- 100}, year = {2013}, abstract = {The literature as well as databases are ambiguous about the exact start of human interleukin-6 (IL-6)--three possibilities for the initiation of the mature protein are described. These three variants of IL-6, different in the exact initiation of the mature protein (A28, P29, or V30), were expressed in Hansenula polymorpha using the Saccharomyces cerevisiae MFα prepro sequence instead of the homologous pre sequence. All three IL-6 variants were secreted but the processing by the Kex2 protease showed significant differences. V30-IL-6 showed correctly processed material but also a molecule species of higher molecular weight indicating incomplete processing of the MFα pro peptide. P29-IL-6 did not yield any correctly processed IL-6, instead only the unprocessed pro form was found in the culture supernatant. Only A28-IL-6 led to 100\% correctly processed material. N-terminal sequencing of this material revealed a start at V30--obviously the first two amino acids (Ala28-Pro29) have been removed by a so far unknown protease. Thus expression of both A28-IL-6 and V30-IL-6 as MFα prepro fusion proteins resulted in the very same mature V30-IL-6, however, the ratio of correctly processed molecules was significantly higher in the case of A28-IL-6. The expression of an MFα prepro-interferon α-2a (IFNα-2a) fusion protein in H. polymorpha leads to about 50\% correctly processed molecules and 50\% misprocessed forms which contain part of the pro peptide at the N-termini. The insertion of A28 and P29 of IL-6 between the pro peptide and the start of the mature IFNα-2a led to correct processing and elimination of all high molecular weight isoforms observed in earlier experiments.}, language = {en} } @inproceedings{VierjahnWoeldeckeGeigeretal.2009, author = {Vierjahn, Tom and W{\"o}ldecke, Bj{\"o}rn and Geiger, Christian and Herder, Jens}, title = {Improved Direction Signalization Technique Employing Vibrotactile Feedback}, series = {11th Virtual Reality International Conference, VRIC'2009}, booktitle = {11th Virtual Reality International Conference, VRIC'2009}, isbn = {2-9515730-8-1}, pages = {1 -- 8}, year = {2009}, abstract = {Vibrotactile feedback via body-worn vibrating belts is a common means of direction signalization - e.g. for navigational tasks. Consequently such feedback devices are used to guide blind or visually impaired people but can also be used to support other wayfinding tasks - for instance, guiding actors in virtual studio productions. Recent effort has been made to simplify this task by integrating vibrotactile feedback into virtual studio applications. In this work we evaluate the accuracy of an improved direction signalization technique, utilizing a body-worn vibrotactile belt with a limited number of tactors, and compare it to other work. The results from our user study indicate that it is possible to signalize different directions accurately, even with a small number of tactors spaced by 90°.}, language = {en} } @article{NorisMusallSalometal.2014, author = {Noris, Federico and Musall, Eike and Salom, Jaume and Berggren, Bj{\"o}rn and Jensen, S{\o}ren {\O}stergaard and Lindberg, Karen and Sartori, Igor}, title = {Implications of weighting factors on technology preference in net zero energy buildings}, series = {Energy and Buildings}, volume = {82}, journal = {Energy and Buildings}, publisher = {Elsevier}, doi = {10.1016/j.enbuild.2014.07.004}, pages = {250 -- 262}, year = {2014}, abstract = {With the current movement towards Net Zero Energy Buildings (Net ZEBs) decisions regarding energy carrier weighting factors will have implications on which technologies could be favoured or disfavoured, and therefore adopted or not adopted, in the building sector of the near future. These implications should be taken into consideration by policy makers when developing legislation and regulations addressing the building sector. A parametric analysis was conducted on six buildings in Europe of different typologies and climates in order to assess how different weighting factors would impact the choice of technical systems to be installed. For each combination the amount of PV capacity necessary to achieve a net zero balance has been calculated and used as the main indicator for comparison; where less PV area means more favourable condition. The effect of including a solar thermal system is also discussed. With the current European national weighting factors, biomass boiler is largely the preferred solution, frequently achieving the balance with PV installed on the roof, while gas boiler is the most penalized. The situation changes when strategic weighting factors are applied. Lower weighting factors for electricity and district heating, e.g. reflecting national targets of increased penetration of renewables in such grids, would promote the use of heat pump and district heating, respectively. Asymmetric factors aimed at rewarding electricity export to the grid would facilitate the achievement of the zero balance for all technologies, promoting cogeneration in some cases. On the contrary, low weighting factors for electricity, e.g. reflecting a scenario of high decarbonisation of the power system, prove quite demanding; only few technical solutions would be able to reach the balance within the available roof area for PV, because of the low value credited to exported electricity. In this situation, the preferred solution would be heat pumps combined with solar thermal. In addition, the choice of weighting factors and the resulting favoured technologies will determine the temporal matching of load and generation. While all-electric solutions tend to use the grid as seasonal storage, other solutions will have a yearly net export of electricity to the grid to compensate for the supply of other (thermal) energy carriers. Therefore, it is important to consider the implications for the electricity grid resulting from the choice of weighting factors.}, language = {en} } @article{HeizmannBraunGlitzneretal.2022, author = {Heizmann, Michael and Braun, Alexander and Glitzner, Markus and G{\"u}nther, Matthias and Hasna, G{\"u}nther and Kl{\"u}ver, Christina and Krooß, Jakob and Marquardt, Erik and Overdick, Michael and Ulrich, Markus}, title = {Implementing machine learning: chances and challenges}, series = {at - Automatisierungstechnik}, volume = {70}, journal = {at - Automatisierungstechnik}, number = {1}, publisher = {De Gruyter}, address = {Berlin}, issn = {2196-677X}, doi = {10.1515/auto-2021-0149}, pages = {90 -- 101}, year = {2022}, language = {en} } @article{NiemannBassonFusseneckeretal.2018, author = {Niemann, J{\"o}rg and Basson, A. and Fussenecker, Claudia and Kruger, K. and Schl{\"o}sser, M. and Turek, S. and Amarnath, H. Umadevi}, title = {Implementation of Eye-Tracking Technology in Holonic Manufacturing Systems}, series = {Procedia - Social and Behavioral Sciences}, volume = {238}, journal = {Procedia - Social and Behavioral Sciences}, edition = {SIM 2017: 14th International Symposium in Management, Challenges and Innovation in Management and Entrepreneurship}}, publisher = {Elsevier}, doi = {10.1016/j.sbspro.2018.03.005}, pages = {37 -- 45}, year = {2018}, language = {en} } @incollection{SuzukiNishojiHerder2000, author = {Suzuki, Kenji and Nishoji, Yuji and Herder, Jens}, title = {Implementation of Aural Attributes for Simulation of Room Effects in Virtual Environments}, series = {ACM Multimedia 2000}, booktitle = {ACM Multimedia 2000}, publisher = {ACM}, address = {Los Angeles}, pages = {439 -- 441}, year = {2000}, abstract = {The audio design for virtual environments includes simulation of acoustical room properties besides specifing sound sources and sinks and their behavior. Virtual environments supporting room reverberation not only gain realism but also provide additional information to the user about surrounding space. Catching the different sound properties by the different spaces requires partitioning the space by the properties of aural spaces. We define soundscape and aural attributes as an application and multimedia content interface. Calculated data on an abstract level is sent to spatialization backends. Part of this research was the implementation of a device driver for the Roland Sound Space Processor. This device not only directionalizes sound sources, but also controls room effects like reverberation.}, language = {en} } @article{EurichKlenznerOehler2019, author = {Eurich, Bernhard and Klenzner, Thomas and Oehler, Michael}, title = {Impact of room acoustic parameters on speech and music perception among participants with cochlear implants}, series = {Hearing research}, volume = {377}, journal = {Hearing research}, publisher = {Elsevier}, doi = {10.1016/j.heares.2019.03.012}, pages = {122 -- 132}, year = {2019}, language = {en} } @article{Spiegel2018, author = {Spiegel, Thomas}, title = {Impact of Renewable Energy Expansion to the Balancing Energy Demand of Differential Balancing Groups}, series = {Journal of Sustainable Development of Energy, Water and Environment Systems}, volume = {6}, journal = {Journal of Sustainable Development of Energy, Water and Environment Systems}, number = {4}, publisher = {SDEWES}, issn = {1848-9257}, doi = {10.13044/j.sdewes.d6.0215}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:due62-opus-29207}, pages = {784 -- 799}, year = {2018}, abstract = {The research addresses the present situation on the German electricity market caused by variable renewable energy sources. The increasing number of households with photovoltaic and battery storage systems and their impacts require special attention. These systems change the traditional electricity customer from the sole electricity consumer to an electricity producer and consumer in one person. These so-called prosumers differ in their actual electricity demand from the initially estimated electricity demand with standard load profile. This discrepancy results in deviations within a differential balancing group. Thereby, the main finding of this research is a significant higher balancing energy demand with the expansion of photovoltaic and battery storage systems. Hence, the standard load profile is particularly not suitable for differential balancing groups with a high penetration of solar systems and still less suitable for groups with solar and battery storage systems}, language = {en} }