地效飞行器波浪地面飞行气动性能数值研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (6): 1327-1333.

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Numerical Research on Aerodynamic Characteristics of WIG Craft Flying over Wavy Ground

Qu Qiulin,Liu Peiqing,Qin Xuguo

School of Aeronautics Science and Engineering, Beijing University of Aeronautics and Astronautics

Received:2006-10-31 Revised:2007-04-02 Online:2007-12-15 Published:2007-12-15
Contact: Liu Peiqing

Abstract

Abstract:

Aerodynamic characteristics of a WIG craft in flight close to wavy ground are investigated numerically. The Farve-averaged N-S equation of unsteady compressible flow and the standard k-εturbulence model are solved by Fluent software. The sliding mesh is used to treat with the relative movement between the craft and the wavy ground. The aerodynamic forces of the WIG craft are periodic when it flies over the cosineshaped ground. How do the aerodynamic forces vary with time in one period is presented.

Key words: WIG , craft, , wavy , ground, , aerodynamic , characteristic, , pressure , distribution, , k-&epsilon, turbulence , model

CLC Number:

V211.4

Qu Qiulin;Liu Peiqing;Qin Xuguo. Numerical Research on Aerodynamic Characteristics of WIG Craft Flying over Wavy Ground[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(6): 1327-1333.

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Numerical Research on Aerodynamic Characteristics of WIG Craft Flying over Wavy Ground

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