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Free Energy Minimization and Multicomponent, Multi-Phase Lattice Boltzmann Simulations of van der Waals Fluid Mixtures
Başlık:
Free Energy Minimization and Multicomponent, Multi-Phase Lattice Boltzmann Simulations of van der Waals Fluid Mixtures
Yazar:
Ridl, Kent Stephen, author. (orcid)0000-0002-8781-7026
ISBN:
9780355987959
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (131 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Includes supplementary digital materials.
Advisors: Alexander Wagner Committee members: Alan Denton; Erik Hobbie; Yildirim Bora Suzen.
Özet:
In this thesis, we develop a general framework for the lattice Boltzmann method to simulate multiphase systems with an arbitrary number of components. Theoretical expectations are easily visualized for binary mixtures, so we focus on characterizing the performance of the method by numerically minimizing the free energy of a binary van der Waals mixture to generate phase diagrams. Our phase diagrams contain very intriguing features that are not well-known in today's physics community but were understood by van der Waals and his colleagues at the turn of the 20th century. Phase diagrams and lattice Boltzmann simulation results are presented in a density-density plane, which best matches with LB simulations performed at constant volume and temperature. We also demonstrate that the algorithm provides thermodynamically consistent results for mixtures with larger numbers of components and high density ratios. All of the theoretical phase diagrams are recovered well by our lattice Boltzmann method.
Notlar:
School code: 0157
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(690474.1) | 690474-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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