Simulation of re-entry capsule thermodynamics environment by DES method

Jia Liu; Chao Yan; Rui Zhao; Haijun Jiang

Simulation of re-entry capsule thermodynamics environment by DES method

Jia Liu^*, Chao Yan, Rui Zhao, Haijun Jiang

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科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

Detached eddy simulation (DES) is an effective numerical simulation method for unsteady separated flow since it combines the advantages of both Reynolds averaged Navier-Stokes (RANS) and large eddy simulation (LES) methods. Spalart-Allmaras (SA) based DES method is used for the re-entry case under hypersonic condition. Comparison of the pressure and heat flux distributions shows that the numerical results agree well with the experiment data and thus validate the advantages of the DES method. Compressibility corrections were added in the original SA turbulent model. In the hypersonic flow characterization, the introduction of compressibility corrections can better the original turbulent method's simulation capability.

源语言	英语
页（从-至）	590-594
页数	5
期刊	Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics
卷	39
期	5
出版状态	已出版 - 5月 2013
已对外发布	是

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abstract = "Detached eddy simulation (DES) is an effective numerical simulation method for unsteady separated flow since it combines the advantages of both Reynolds averaged Navier-Stokes (RANS) and large eddy simulation (LES) methods. Spalart-Allmaras (SA) based DES method is used for the re-entry case under hypersonic condition. Comparison of the pressure and heat flux distributions shows that the numerical results agree well with the experiment data and thus validate the advantages of the DES method. Compressibility corrections were added in the original SA turbulent model. In the hypersonic flow characterization, the introduction of compressibility corrections can better the original turbulent method's simulation capability.",

keywords = "Compressibility correction, Detached eddy simulation(DES), Heat flux, Re-entry, Turbulent model",

author = "Jia Liu and Chao Yan and Rui Zhao and Haijun Jiang",

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AU - Liu, Jia

AU - Yan, Chao

AU - Zhao, Rui

AU - Jiang, Haijun

PY - 2013/5

Y1 - 2013/5

N2 - Detached eddy simulation (DES) is an effective numerical simulation method for unsteady separated flow since it combines the advantages of both Reynolds averaged Navier-Stokes (RANS) and large eddy simulation (LES) methods. Spalart-Allmaras (SA) based DES method is used for the re-entry case under hypersonic condition. Comparison of the pressure and heat flux distributions shows that the numerical results agree well with the experiment data and thus validate the advantages of the DES method. Compressibility corrections were added in the original SA turbulent model. In the hypersonic flow characterization, the introduction of compressibility corrections can better the original turbulent method's simulation capability.

AB - Detached eddy simulation (DES) is an effective numerical simulation method for unsteady separated flow since it combines the advantages of both Reynolds averaged Navier-Stokes (RANS) and large eddy simulation (LES) methods. Spalart-Allmaras (SA) based DES method is used for the re-entry case under hypersonic condition. Comparison of the pressure and heat flux distributions shows that the numerical results agree well with the experiment data and thus validate the advantages of the DES method. Compressibility corrections were added in the original SA turbulent model. In the hypersonic flow characterization, the introduction of compressibility corrections can better the original turbulent method's simulation capability.

KW - Compressibility correction

KW - Detached eddy simulation(DES)

KW - Heat flux

KW - Re-entry

KW - Turbulent model

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Simulation of re-entry capsule thermodynamics environment by DES method

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