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Effects of mesh resolution on hypersonic heating prediction
Sun QH(孙泉华); Zhu HY(朱辉玉); Wang G(王刚); Fan J(樊菁)
Source PublicationTheoretical & Applied Mechanics letters
2011
Volume1Pages:022001
ISSN2095-0349
AbstractAeroheating prediction is a challenging and critical problem for the design and optimization of hypersonic vehicles. One challenge is that the solution of the Navier-Stokes equations strongly depends on the computational mesh. In this letter, the effect of mesh resolution on heat flux prediction is studied. It is found that mesh-independent solutions can be obtained using fine mesh, whose accuracy is confirmed by results from kinetic particle simulation. It is analyzed that mesh-induced numerical error comes mainly from the flux calculation in the boundary layer whereas the temperature gradient on the surface can be evaluated using a wall function. Numerical schemes having strong capability of boundary layer capture are therefore recommended for hypersonic heating prediction
KeywordHypersonic Flow Aeroheating Cfd Mesh Resolution
Subject Area空气动力学 ; 稀薄气体力学 ; 计算流体力学
URL查看原文
Language英语
DepartmentLHD微尺度和非平衡流动
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46974
Collection高温气体动力学国家重点实验室
Corresponding AuthorSun QH(孙泉华)
Recommended Citation
GB/T 7714
Sun QH,Zhu HY,Wang G,et al. Effects of mesh resolution on hypersonic heating prediction[J]. Theoretical & Applied Mechanics letters,2011,1:022001.
APA 孙泉华,朱辉玉,王刚,&樊菁.(2011).Effects of mesh resolution on hypersonic heating prediction.Theoretical & Applied Mechanics letters,1,022001.
MLA 孙泉华,et al."Effects of mesh resolution on hypersonic heating prediction".Theoretical & Applied Mechanics letters 1(2011):022001.
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