Laminar and Turbulent Aero Heating Predictions over Blunt Body in Hypersonic Flow

Hosseini, S. A.; Noori, S.

نویسندگان

چکیده

In the present work, an engineering method is developed to predict laminar and turbulent heating-rate solutions for blunt reentry spacecraft at hypersonic conditions. The calculation of aerodynamic heating around blunt bodies requires alternative solution of inviscid flow field around the hypersonic bodies. In this paper, the procedure is of an inverse nature, that is, a shock wave is assumed and calculations proceed along rays normal to the shock. The solution is iterated until the given body is computed. The inverse method is practical for the calculation of flow field between the shock wave and the body surface. Body calculation with the body analysis is contrasted and according to the entire differences between those; the shape of shock with the coefficient scales is implemented. The normal momentum equation is replaced with a Maslen’s second order pressure equation. This significantlysignificantly decreases machine computation time. The present method predicts laminar and turbulent heating-rates that compare favorably with other researches. Since the method is very high-speed, it can be used for preliminary design, or parametric study of aerodynamics vehicles and thermal protection of hypersonic flows.

کلیدواژه‌ها

عنوان مقاله [English]

Laminar and Turbulent Aero Heating Predictions over Blunt Body in Hypersonic Flow

نویسندگان [English]

S. A. Hosseini
S. Noori

چکیده [English]

کلیدواژه‌ها [English]

Aerodynamic heating
blunt body
Hypersonic Flow
Flow Field
Turbulent Flow
Laminar Flow

مراجع

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علوم و فناوری فضایی

Laminar and Turbulent Aero Heating Predictions over Blunt Body in Hypersonic Flow

مراجع

مراجع

دوره 7، شماره 1 - شماره پیاپی 18
شماره پیاپی 18
فروردین 1393
صفحه 33-40

Laminar and Turbulent Aero Heating Predictions over Blunt Body in Hypersonic Flow

مراجع

مراجع

دوره 7، شماره 1 - شماره پیاپی 18شماره پیاپی 18فروردین 1393صفحه 33-40

دوره 7، شماره 1 - شماره پیاپی 18
شماره پیاپی 18
فروردین 1393
صفحه 33-40