Examples of using the finite volume method for modeling fluid-solid systems

• Autorzy: Sobieski W.

Warianty tytułu

PL

Przykłady zastosowania metody objętości skończonych do modelowania ośrodków typu fluid-solid

• Języki publikacji: EN

Abstrakty

EN

The article presents two mathematical models designed for the numerical modeling of fluid flow through stationary and non-stationary porous beds, so called Porous Media Model and Eulerian Multiphase Model. After a brief description, both models are illustrated with several examples of their use. All examples were made in the package ANSYS Fluent. All cases come from studies on the actual objects, usually various laboratory stands. This article aims to show the differences and determinants of both approaches. Motivation stemmed from own experience of the author, indicating that in some cases the choosing of appropriate model is not obvious.

PL

W artykule zaprezentowano dwa modele matematyczne - Porous Media Model oraz Eulerian Multiphase Model, służące do numerycznego modelowania przepływów płynów przez stacjonarne i niestacjonarne złoża porowate. Oba modele, po krótkim ich przedstawieniu, zilustrowano kilkoma przykładami praktycznymi. Wszystkie przedstawione w pracy wyniki symulacji numerycznych bazują na rzeczywistych obiektach, zazwyczaj na konkretnych stanowiskach laboratoryjnych i zostały wykonane w pakiecie obliczeniowym ANSYS Fluent. Celem artykułu było przedstawienie podstawowych różnic dotyczących zastosowań obu modeli oraz uwarunkowań ich stosowania. Motywacją do napisania artykułu były doświadczenia autora, wskazujące, że wybór odpowiedniego modelu może w pewnych przypadkach nie być oczywisty.

Słowa kluczowe

EN

CFD; porous media model; Eulerian Multiphase Model; fluid-solid systems

PL

CFD; Porous Media Model; Wielofazowy Model Eulera; ośrodki fluid-solid

• Wydawca: Wydawnictwo Uniwersytetu Warmińsko-Mazurskiego w Olsztynie
• Czasopismo: Technical Sciences / University of Warmia and Mazury in Olsztyn
• Rocznik: 2010
• Tom: nr 13
• Strony: 256--265
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Sobieski W.

• Chair of Mechanics and Machine Design, University of Warmia and Mazury in Olsztyn,

Bibliografia

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• Belyadi A. 2006. Analysis Of Single-Point Test To Determine Skin Factor. PhD Thesis. Department of Petroleum and Natural Gas Engineering, Morgantown, West Virginia.
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• Fluent 6.3 Tutorial Guide. Fluent Inc., September 2006.
• Fluent 6.3 User's Guide. Fluent Inc., September 2006.
• Hellström J.G.I., Lundström T.S. 2006. Flow through Porous Media at Moderate Reynolds Number. International Scientific Colloquium, Modelling for Material Processing, Riga, June 8-9.
• Kowalewski K. 2009. A stand for tests of dynamics of loose material in the model belt conveyor. MSc Thesis, University Of Warmia And Mazury In Olsztyn, The Faculty of Technical Sciences.
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• Mitosek M. 2007. Fluid Dynamics in Engineering and Environmental Protection. Publisher Warsaw University of Technology, Warszaw, Poland.
• Nalepa K., Neugebauer M., Sołowiej P. 2008. The concept and construction of a ground heat exchanger as part of the ventilation system of a residential building. Agricultural Engineering. 2(100): 203-208.
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• Sobieski W. 2008. Numerical analysis of sensitivity of Eulerian Multiphase Model for a spouted bed grain dryer. Drying Technology, 26(12): 1438-1456.
• Sobieski W. 2009a. Switch Function and Sphericity Coefficient in the Gidaspow Drag Model for Modeling Solid-Fluid Systems. Drying Technology, 27(2): 267-280.
• Sobieski W. 2009b. Momentum Exchange in Solid-Fluid System Modeling with the Eulerian Multiphase Model. Drying Technology, 27(5): 653-671.
• Sobieski W. 2009c. Opportunities and strategies for numerical modeling of flow dynamics and thermal phenomena in the washing-cooling column. Research report 1/2009 for TEWES-BIS Company, Barczewo, Poland.
• Sobieski W. 2009d. Application of simulation methods to validate the results of the experiment. Chapter in book "Knowledge Engineering and Expert Systems", pp. 113-124. EXIT Publisher, Warsaw 2009.
• Sobieski W. 2010. Use of Numerical Models in Validating Experimental Results. Journal of Applied Computer Science, 18(1): 49-60.
• Sobieski W., Liu C., Zhang Q. (submitted). Calculating tortuosity in a porous bed consisting of spherical particles with known sizes and distribution in space. Transport in Porous Media.
• Sobieski W., Trykozko A. (submitted). Sensitivity analysis of Forchheimer law. Transport in Porous Media.