VELOCITY MODIFICATION OF A THIN-LAYER APPROXIMATE ENGINEERING METHOD IN THE LEEWARD REGION OF THREE- DIMENSIONAL HYPERSONIC BODIES

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MAEREFAT M.; KARIMIAN S.M.H.; MALEKZADEH DIRIN M.

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Journal: AMIRKABIR Year:2003 | Volume:14 | Issue:53 Page(s): 131-145

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Title

VELOCITY MODIFICATION OF A THIN-LAYER APPROXIMATE ENGINEERING METHOD IN THE LEEWARD REGION OF THREE- DIMENSIONAL HYPERSONIC BODIES

Author(s)

MAEREFAT M. | KARIMIAN S.M.H. | MALEKZADEH DIRIN M. | Issue Writer Certificate

Keywords

HYPERSONICQ4

LEEWARD REGIONQ4

INVISCIDLOWQ4

THINQ4

LAYER ASSUMPTIONQ4

Abstract

Thin-layer approximate engineering methods are used for calculation of in viscid HYPERSONIC flows over blunt-nosed bodies. In these methods, the pressure is obtained using Maslen's pressure relation and the normal velocity component is calculated using an approximate relation which is not accurate enough in the LEEWARD REGION. In this paper, a new relation for calculation of normal velocity has been derived from the continuity equation using THIN shock LAYER ASSUMPTIONs. It has been shown that the present relation has critically improved the profiles of velocity in the LEEWARD REGION. Results are presented for a cone at angle of attack and are compared with finite difference solutions of Euler equations. Since the method is fast, it can be used for preliminary design or parametric study of HYPERSONIC vehicles.

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APA: Copy

MAEREFAT, M., KARIMIAN, S.M.H., & MALEKZADEH DIRIN, M.. (2003). VELOCITY MODIFICATION OF A THIN-LAYER APPROXIMATE ENGINEERING METHOD IN THE LEEWARD REGION OF THREE- DIMENSIONAL HYPERSONIC BODIES . AMIRKABIR, 14(53), 131-145. SID. https://sid.ir/paper/667/en

Vancouver: Copy

MAEREFAT M., KARIMIAN S.M.H., MALEKZADEH DIRIN M.. VELOCITY MODIFICATION OF A THIN-LAYER APPROXIMATE ENGINEERING METHOD IN THE LEEWARD REGION OF THREE- DIMENSIONAL HYPERSONIC BODIES . AMIRKABIR[Internet]. 2003;14(53):131-145. Available from: https://sid.ir/paper/667/en

IEEE: Copy

M. MAEREFAT, S.M.H. KARIMIAN, and M. MALEKZADEH DIRIN, “VELOCITY MODIFICATION OF A THIN-LAYER APPROXIMATE ENGINEERING METHOD IN THE LEEWARD REGION OF THREE- DIMENSIONAL HYPERSONIC BODIES ,” AMIRKABIR, vol. 14, no. 53, pp. 131–145, 2003, [Online]. Available: https://sid.ir/paper/667/en

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