Lattice Boltzmann method for coupled radiation-conduction heat transfer in participating medium with graded-index

被引:1
|
作者
Wei, Yijie [1 ]
Wu, Si [1 ]
Liu, Xiaochuan [1 ]
Zhu, Keyong [1 ]
Huang, Yong [1 ]
机构
[1] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
radiative transfer; graded; -index; lattice Boltzmann; coupled heat transfer; ANISOTROPIC SCATTERING MEDIUM; FINITE-ELEMENT-METHOD; SEMITRANSPARENT SLAB; METHOD SIMULATION; REFRACTIVE-INDEX; SPECTRAL METHOD; AEROACOUSTICS; DYNAMICS; EQUATION; FIELD;
D O I
10.1016/j.jqsrt.2023.108844
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Graded-index materials are effective to control thermo-optical systems, due to its special physical characteristics. And quantitatively calculation for energy transfer process is valuable for the research of graded-index materials. Thus, reliable numerical method is required. Lattice Boltzmann method (LBM) is a mesoscopic numerical method with unique advantages on coupling muti-physical field. Here, we provide a LBM to couple radiation and con-duction within graded-index medium under a unified framework. Through several 1-D cases, the great consis-tence between present LBM and references indicates that LBM has excellent availability and accuracy. Furthermore, LBM is expanded to coupled 2-D problem. The present LBM is expected to simulate coupled radiation-conduction heat transfer in participating medium with graded-index effectively.
引用
收藏
页数:10
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