细长体大攻角绕流的数值模拟

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (12): 1471-1474.

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ANUMERICAL SIMRLATION OF VISCOUS FLOW OVER A HEMISPHERE CYLINDER

Li Feng, Zhou Weijiang, Wang Qiang, Wang Yiyun

Beijing Institute of Aerodynamcs, Beijing, 100074

Received:1993-11-01 Revised:1994-02-23 Online:1994-12-25 Published:1994-12-25

Abstract

Abstract: eparated and vortical flow around a hemisphere cylinder is studied by numerical simulation(computational range includes 360 degrees in the circumferential direction around the body).The implicit TVD(total variation diminishing)algorithm is used to solve the foll Navier-Stokes equations.The numerical simulation is performed at angles of atlack up to 50 de-grees under the transonic flow condition,In analyzing the complicated flow structure,some ex-perimental data and topological concepts or simulated oil flow patterns are used to understand the separation better.

Key words: slender bodies, separated flow, numerical analysis

CLC Number:

Li Feng;Zhou Weijiang;Wang Qiang;Wang Yiyun. ANUMERICAL SIMRLATION OF VISCOUS FLOW OVER A HEMISPHERE CYLINDER[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(12): 1471-1474.

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ANUMERICAL SIMRLATION OF VISCOUS FLOW OVER A HEMISPHERE CYLINDER

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