Applications of Fluid MechanicsNo Access

Numerical analysis of flows past two parallel flat plates in the free-molecular regime

China Academy of Aerospace Aerodynamics, No. 17, Yungang West Road, Fengtai District, Beijing 100074, P. R. China

School of Aerospace Engineering, Tsinghua University, No. 30, Shuangqing Road, Haidian District, Beijing 100084, P. R. China

E-mail Address: jinxuhong08@163.com

Corresponding author.

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Fei Huang

China Academy of Aerospace Aerodynamics, No. 17, Yungang West Road, Fengtai District, Beijing 100074, P. R. China

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Xiao-Li Cheng

China Academy of Aerospace Aerodynamics, No. 17, Yungang West Road, Fengtai District, Beijing 100074, P. R. China

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Qiang Wang

China Academy of Aerospace Aerodynamics, No. 17, Yungang West Road, Fengtai District, Beijing 100074, P. R. China

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, and

Bing Wang

School of Aerospace Engineering, Tsinghua University, No. 30, Shuangqing Road, Haidian District, Beijing 100084, P. R. China

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https://doi.org/10.1142/S0217979220401207Cited by:3 (Source: Crossref)

This article is part of the issue:

Special Issue — Proceedings of the Eighth International Symposium on Physics of Fluids (ISPF8), 10–13 June, 2019, Xi'an, China

Abstract

A numerical investigation is presented for a free-molecular flow past two parallel circular flat plates using the test particle Monte Carlo (TPMC) method, with flow shadowing and multiple reflections analyzed. Flow shadowing and multiple reflections have a significant effect on aerodynamic forces, and the distance-to-radius ratio of the two plates has a considerable influence on flow shadowing and multiple reflections. As the distance-to-radius ratio increases, flow shadowing and multiple reflections become weaker. Different distance-to-radius ratios result in different surface pressure distributions.

Keywords:

PACS: 47.45.Dt

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