层板发汗冷却结构的非均匀温度分布受热皱损的求解

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (1): 138-141.

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Analysis for Thermal Wrinkling Resulted from Non-uniform Temperature Distribution in Transpiration Cooling Formed Platelets

ZHANG Feng,LIU Wei-qiang;

College of Astronautics and Material Engineering, National University of Defense Technology

Received:2005-09-08 Revised:2006-08-07 Online:2007-01-10 Published:2007-01-10
Contact: LIU Wei-qiang

Abstract

Abstract:

Heat transfer possibly results in the thermal wrinkling of transpiration cooling platelet for the Liquid Rocket Engine(LRE)’s thrust chamber. The rectangular sheet which has 3 freely-supported sides and 1 free side is assumed for the formed platelets. Applying Galerkin’s method, trial function satisfying the boundary conditions is brought out. Stability in the diffuse flow field of the formed platelet is analytically solved by Galerkin’s method when the thermal compressive stress affecting of the platelet is not uniform.

Key words: transpiration , cooling, , formed , platelet, , thermal , wrinkling, , thermal , stress, , non-uniform

CLC Number:

V434.14

ZHANG Feng;LIU Wei-qiang;. Analysis for Thermal Wrinkling Resulted from Non-uniform Temperature Distribution in Transpiration Cooling Formed Platelets[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(1): 138-141.

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Analysis for Thermal Wrinkling Resulted from Non-uniform Temperature Distribution in Transpiration Cooling Formed Platelets

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