NDLI: Experimental and Numerical Study on Heat Transfer Characteristics of Metallic Honeycomb Core Structure in Transient Thermal Shock Environments

Content Provider	Springer Nature Link
Author	Zheng, Liming Wu, Dafang Zhou, Anfeng Pan, Bing Wang, Yuewu Wang, Jie
Copyright Year	2014
Abstract	The metallic honeycomb core structure has important engineering applications in the aerospace and aviation fields due to several advantages, such as being lightweight, its strong resistance to deformation in high-temperature environments, and its excellent energy absorption characteristics. In the present study, a transient heating experimental system for high-speed flight vehicles was developed to study the thermal insulation characteristics of a superalloy honeycomb core structure at different thermal shock rates $$(5\,^{\circ }\mathrm{C}{\cdot }\mathrm{s}^{-1}\, \mathrm{to}\,30\,^{\circ }\mathrm{C}{\cdot }\mathrm{s}^{-1})$$ . The highest instantaneous temperature tested was $$950\,^{\circ }\mathrm{C}$$ . The three-dimensional finite element method was used to numerically calculate the thermal insulation characteristics of the metallic honeycomb core structure in a high-speed thermal shock environment. The calculated results agree well with the experimental results; this agreement demonstrates that to an extent, numerical calculations are a better alternative than expensive experiments. The results of this study provide an important reference for the thermal protection design of metallic honeycomb core structures of high-speed flight vehicles.
Starting Page	1557
Ending Page	1576
Page Count	20
File Format	PDF
ISSN	0195928X
Journal	International Journal of Thermophysics
Volume Number	35
Issue Number	8
e-ISSN	15729567
Language	English
Publisher	Springer US
Publisher Date	2014-08-12
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Experiments High temperatures Metallic honeycomb core structure Numerical calculations Thermal shock Transient Condensed Matter Physics Mechanics Industrial Chemistry/Chemical Engineering Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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