再入飞行器多层隔热结构优化分析

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (6): 1345-1350.

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Structural Optimization of Multilayer Insulation for Reentry Vehicles

Zhao Ling,Lu Guozhi,Ren Keliang,Li Yuanlin

Faculty 504, Northwestern Polytechnical University

Received:2006-09-18 Revised:2007-07-08 Online:2007-12-15 Published:2007-12-15
Contact: Zhao Ling

Abstract

Abstract:

The combined radiation and conduction heat transfer in multilayer insulation (MLI) of reusable lunch vehicle was investigated by the finite element method to simulate reentry aerodynamic heating conditions. The temperature field in MLI was presented. The effects of the design parameters such as foil arrangement, foil spacing and the distance form the top foil to the heat boundary were analyzed to give an instruction for MLI optimum design.

Key words: thermal , protection , system, , multilayer , insulation, , parameter , optimization, , reusable , launch , vehicle

CLC Number:

V475

Zhao Ling;Lu Guozhi;Ren Keliang;Li Yuanlin. Structural Optimization of Multilayer Insulation for Reentry Vehicles[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(6): 1345-1350.

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Structural Optimization of Multilayer Insulation for Reentry Vehicles

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