THERMO-HYDRODYNAMIC ANALYSIS OF DUCT FLOW USING LATTICE BOLTZMANN METHOD

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ZARGHAMI AHAD; MAGHREBI MOHAMMAD JAVAD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2011 | Volume:1 | Issue:2 Page(s): 81-90

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Title

THERMO-HYDRODYNAMIC ANALYSIS OF DUCT FLOW USING LATTICE BOLTZMANN METHOD

Author(s)

ZARGHAMI AHAD | MAGHREBI MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

LBMQ1

FINITE VOLUMEQ2

DOUBLE DISTRIBUTION FUNCTIONQ3

INCOMPRESSIBLE FLOWQ2

THERMO-HYDRODYNAMICQ2

Abstract

In this paper, the THERMO-HYDRODYNAMIC analysis of incompressible fluid flow in conjunction with cell-centered FINITE VOLUME-lattice Boltzmann method is developed. To demonstrate the temperature field, the DOUBLE DISTRIBUTION FUNCTION model was used. Since, instability is the most severe problem of the thermal lattice Boltzmann methods to handle flows; a stable and accurate cell-centered scheme is presented. For this purpose, the pressure and temperature based upwind biasing factors are used as flux correctors. Also, additional lattices at the edge of each boundary cell are introduced, which allow a much better description of the actual geometrical shape.The unknown energy distribution at the boundary cells were decomposed into its equilibrium and nonequilibrium parts. This treatment enlarges the domain stability and leads to faster convergence. In addition of calculating numerical viscosity, The method is applied to two dimensional incompressible thermal plane duct flow. The results show a very good accuracy and agreement with the exact solution and previous numerical results.

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APA: Copy

ZARGHAMI, AHAD, & MAGHREBI, MOHAMMAD JAVAD. (2011). THERMO-HYDRODYNAMIC ANALYSIS OF DUCT FLOW USING LATTICE BOLTZMANN METHOD. JOURNAL OF SOLID AND FLUID MECHANICS, 1(2), 81-90. SID. https://sid.ir/paper/212779/en

Vancouver: Copy

ZARGHAMI AHAD, MAGHREBI MOHAMMAD JAVAD. THERMO-HYDRODYNAMIC ANALYSIS OF DUCT FLOW USING LATTICE BOLTZMANN METHOD. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2011;1(2):81-90. Available from: https://sid.ir/paper/212779/en

IEEE: Copy

AHAD ZARGHAMI, and MOHAMMAD JAVAD MAGHREBI, “THERMO-HYDRODYNAMIC ANALYSIS OF DUCT FLOW USING LATTICE BOLTZMANN METHOD,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 1, no. 2, pp. 81–90, 2011, [Online]. Available: https://sid.ir/paper/212779/en

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