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The Ludwig–Soret effect and stochastic processes

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Title: The Ludwig–Soret effect and stochastic processes
Authors: Debbasch, F.1 fabrice.debbasch@gmail.com, Rivet, J.P.2
Source: Journal of Chemical Thermodynamics. Mar2011, Vol. 43 Issue 3, p300-306. 7p.
Subjects: Stochastic models, Heat transfer, Friction, Calculus of tensors, Transport theory, Thermal expansion, Fokker-Planck equation
Abstract: Abstract: New general stochastic models of thermodiffusion are proposed, which include velocity-dependent friction coefficient and noise tensor. These coefficients are computed exactly from the Boltzmann equation for the particular case of thermodiffusion in dilute gas mixtures. The Soret coefficients predicted by the new thermodiffusion models are computed via a Chapman–Enskog expansion and compared favorably to predictions of earlier models. In particular, the new models can accommodate for Soret coefficients of both signs, as observed experimentally. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 57072662
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Abstract: New general stochastic models of thermodiffusion are proposed, which include velocity-dependent friction coefficient and noise tensor. These coefficients are computed exactly from the Boltzmann equation for the particular case of thermodiffusion in dilute gas mixtures. The Soret coefficients predicted by the new thermodiffusion models are computed via a Chapman–Enskog expansion and compared favorably to predictions of earlier models. In particular, the new models can accommodate for Soret coefficients of both signs, as observed experimentally. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jct.2010.09.010
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 300
    Subjects:
      – SubjectFull: Stochastic models
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Friction
        Type: general
      – SubjectFull: Calculus of tensors
        Type: general
      – SubjectFull: Transport theory
        Type: general
      – SubjectFull: Thermal expansion
        Type: general
      – SubjectFull: Fokker-Planck equation
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      – TitleFull: The Ludwig–Soret effect and stochastic processes
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              Text: Mar2011
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