A Discussion about the Difficulty of the Numerical Solution of 3DVSL Equations in the Leeward Region
Publish place: 07th Conference of Iranian Aerospace Society
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
AEROSPACE07_367
Index date: 22 July 2008
A Discussion about the Difficulty of the Numerical Solution of 3DVSL Equations in the Leeward Region abstract
An approximate three-dimensional method has been developed to claculate viscous hypersonic flow of perfect gas over blunt-nosed bodies. In this method a modifide form of Maslen's second-order pressure expression is used instead of the normal momentum equation. In the present method, the 3DVSL equations are solved in a streamline curvilinear coordinate system. Using this coordinate, the method can predict aerodynamic heating in the leeward region, howevwr a difficulty occurs in the circumferential prediction of head transfer distributon close to the leeward line. This paper discusses this difficulty and the methods to overcome it.
A Discussion about the Difficulty of the Numerical Solution of 3DVSL Equations in the Leeward Region Keywords:
A Discussion about the Difficulty of the Numerical Solution of 3DVSL Equations in the Leeward Region authors
S. Noori
Ph.D candidate, Aerospace Engineering Department, Amirkabir University of Technology, Tehran, iran.
S.M.H Karimian
Professor, Aerospace Engineering Department, Amirkabir University of Technology, Tehran, iran.
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