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  <doc>
    <id>641</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2001-07-04</completedDate>
    <publishedDate>2001-07-04</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Modelling and Simulation of Aerosol Formation by Heterogeneous Nucleation in Gas-Liquid Contact Devices</title>
    <abstract language="eng">This paper describes a new simulation tool for the prediction of aerosol formation and behavior in gas--liquid contact devices such as absorbers, scrubbers, quench coolers, and condensers as well as multistage gas cleaning processes, respectively. Aerosol formation can impact severely the separation efficiency of gas cleaning processes. Aerosol or fog formation can arise by spontaneous condensation or desublimation in supersaturated gas phases. The rigorous description of the mass and energy transfer between the gas phase, the liquid phase, and the growing aerosol droplets leads to a system of partial differential and algebraic equations. For the solution of these systems we have developed the plant simulation tool AerCoDe. This program bases upon the linearly--implicit Euler discretisation, which in combination with extrapolation permits an adaptive step size and order control. Typical simulation results of a multistage industrial flue gas scrubbing process are presented. It is shown, that experimental data can be confirmed if the number concentration of condensation nuclei as an input parameter is roughly known.</abstract>
    <identifier type="serial">01-15</identifier>
    <identifier type="opus3-id">642</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-6416</identifier>
    <enrichment key="SourceTitle">Appeared in: Chem. Eng. Sci. 57 (2002) 1151-1163</enrichment>
    <author>Rainald Ehrig</author>
    <author>Oliver Ofenloch</author>
    <author>Karlheinz Schaber</author>
    <author>Peter Deuflhard</author>
    <series>
      <title>ZIB-Report</title>
      <number>01-15</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>aerosols</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>heterogeneous nucleation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>two-phase flow</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>balance equations</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>extrapolation methods</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="65L80">Methods for differential-algebraic equations</collection>
    <collection role="msc" number="65N40">Method of lines</collection>
    <collection role="msc" number="76T10">Liquid-gas two-phase flows, bubbly flows</collection>
    <collection role="msc" number="80A20">Heat and mass transfer, heat flow</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="deuflhard">Deuflhard, Peter</collection>
    <collection role="persons" number="ehrig">Ehrig, Rainald</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/641/ZR-01-15.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/641/ZR-01-15.pdf</file>
  </doc>
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