IMECH-IR  > 流固耦合系统力学重点实验室
THERMAL-STRUCTURAL DESIGN OF ACTIVELY-COOLED PANELS REINFORCED BY LIGHT-WEIGHT TRUSS CORES
Song HW(宋宏伟); Li MJ(李明俊); Huang CG(黄晨光); Wang X(王曦)
Source PublicationPROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION 2013 VOL 1
2014
Conference NameASME International Mechanical Engineering Congress and Exposition
Conference DateNOV 15-21 2013
Conference PlaceSan Diego CA
Abstract

This paper focuses on thermal-structural analysis and lightweight design of actively-cooled panels reinforced by low density lattice-framed material truss cores. Numerical models for actively-cooled panels are built up with parametric codes to perform the coupled thermal-structural analysis considering the internal thermal environment of convective heat transfer in the combustor and convective heat transfer in the cooling channel and internal pressures from the combustion gas and the coolant. A preliminary comparison of the LFM truss reinforced actively-cooled panel and the non-reinforced panel demonstrates that the thermal-structural behavior is significantly improved. Then an optimization procedure is carried out to find the lightest design while satisfying thermal deformation and plastic strain constraints with thicknesses of face sheets and topology parameters of LFM truss as design variables. The optimization result demonstrates that compared with the non-reinforced actively-cooled panels weight reduction for the panel reinforced by LFM truss may reach 19.6%. We have also fabricated this type of actively-cooled panel in the laboratory level and the specimen shows good mechanical behaviors.

KeywordSandwich Panels
WOS IDWOS:000359682100055
DepartmentLMFS热结构耦合力学
ISBN978-0-7918-5617-8
URL查看原文
Indexed ByEI ; CPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/55363
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
Song HW,Li MJ,Huang CG,et al. THERMAL-STRUCTURAL DESIGN OF ACTIVELY-COOLED PANELS REINFORCED BY LIGHT-WEIGHT TRUSS CORES[C]. NEW YORK:AMER SOC MECHANICAL ENGINEERS,2014.
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