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Journal of Environmental Accounting and Management 11(3) (2023) 297--305 | DOI:10.5890/JEAM.2023.09.004

Zhonghua Li, Zhihui Li, Leining Dang, Zhiyong Bai

Hypervelocity Aerodynamics Institute, CARDC, Mianyang, SiChuan, 621000, China

Laboratory of Aerodynamics in Multiple Flow Regimes, CARDC, Mianyang, SiChuan, 621000, China

National Lab. for Computational Fluid Dynamics, CARDC, Beijing

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Abstract

A hybrid N-S/DSMC method is presented and applied to solve the three-dimensional hypersonic transitional flows by employing the MPC (modular Particle-Continuum) technique based on the N-S and the DSMC method. A sub-relax technique is adopted to deal with information transferring between the N-S and the DSMC. The hypersonic flows around a plate and a blunt cone under different \textit{Kn} numbers are simulated by using the hybrid N-S/DSMC method. The present computations are found in good agreement with other experimental results. The present method provides an efficient way to predict the hypersonic aerodynamics in near-continuum transitional flow regime.

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