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A Combined Method of Rosseland Method and Two-flux Method for Combustion Within Porous Media

LI Debo, SONG Zhengchang

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 2013, 30 (2): 203-208.

Abstract （348）

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A combined method of Rosseland method and two-flux method is used for radiation heat transfer in premixed methane combustion within porous media.Numerical results show that the method is effective for computation of radiation heat transfer near boundary.

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Treatment of Edge in Characteristic Non-reflecting Boundary Conditions

LI Debo, FAN Jianren, YI Fuxing, CEN Kefa

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 2012, 29 (5): 661-666.

Abstract （332）

PDF （249KB）（697）

A mathematical treatment of edge in characteristic non-reflecting boundary conditions is developed.Several numerical simulations show that this method is benefit for treating of waves.A spatially evolving compressible round jet is simulated with direct numerical simulation method.Simulation results are compared with experiments.It suggests that the method on edge boundary conditions is convincible.

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