Application of innovative entropic lattice Boltzmann method for multiphase fluid flow through porous media

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Hosseini Moghaddam Seyed Amir; IRANMANESH MASOUD; JAHANSHAHI JAVARAN EBRAHIM; Zadehgol Abed

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:8 Page(s): 19-29

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Title

Application of innovative entropic lattice Boltzmann method for multiphase fluid flow through porous media

Author(s)

Hosseini Moghaddam Seyed Amir | IRANMANESH MASOUD | JAHANSHAHI JAVARAN EBRAHIM | Zadehgol Abed | Issue Writer Certificate

Keywords

Multiphase flowQ2

Entropic kinetic modelQ1

Shan-Chen methodQ1

Porous mediaQ2

Relative permeability coefficientQ1

Abstract

In this research work, using the recently introduced entropic constant speed kinetic model and employing the Pseudo-Potential model of Shan and Chen (SC), two phase flow of incompressible and immiscible fluids through Porous media is studied. Applications of the Entropic kinetic models in simulating multi-phase and multi-component flows have been thoroughly investigated, during the past decade. Lack of an entropy function, in a kinetics based model, implies that the existence of a unique equilibrium state, under all flow conditions and for all positions and times, cannot be guaranteed by the model. Hence, simulation of two multi-phase flows with high density ratios, using the conventional kinetic models (which do not satisfy the second law of thermodynamics) may not yield proper results, due to numerical instabilities. In this research, performing numerical simulations, the accuracy and stability of the recently introduced constant speed kinetic model and the conventional lattice Boltzmann models have been compared with each other. The present simulations include the verification of the Laplace Law and the contact angles and two phase flow through simple channels. In addition to the above, two phase flow in Porous media has been simulated and the relative permeability vs wettability has been reported. The obtained results are in excellent agreement with previous results reported by others researchers.

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APA: Copy

Hosseini Moghaddam, Seyed Amir, IRANMANESH, MASOUD, JAHANSHAHI JAVARAN, EBRAHIM, & Zadehgol, Abed. (2018). Application of innovative entropic lattice Boltzmann method for multiphase fluid flow through porous media. MODARES MECHANICAL ENGINEERING, 18(8 ), 19-29. SID. https://sid.ir/paper/179902/en

Vancouver: Copy

Hosseini Moghaddam Seyed Amir, IRANMANESH MASOUD, JAHANSHAHI JAVARAN EBRAHIM, Zadehgol Abed. Application of innovative entropic lattice Boltzmann method for multiphase fluid flow through porous media. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(8 ):19-29. Available from: https://sid.ir/paper/179902/en

IEEE: Copy

Seyed Amir Hosseini Moghaddam, MASOUD IRANMANESH, EBRAHIM JAHANSHAHI JAVARAN, and Abed Zadehgol, “Application of innovative entropic lattice Boltzmann method for multiphase fluid flow through porous media,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 8 , pp. 19–29, 2018, [Online]. Available: https://sid.ir/paper/179902/en

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