Dual-band and thermo-mechanical design method for radome walls with graded porous structure

Licheng Zhou, Yang Ju, Yongmao Pei and Daining Fang

Journal of Electromagnetic Waves and Applications, 2016, vol. 30, issue 11, 1391-1406

Abstract: This paper provides a method for design of high-temperature dual-band radome walls with graded porous structure. Both of the dual-band performances and the thermo-mechanical properties under loading-free and loading conditions of the proposed structures are taken into account. Results demonstrate the effectiveness of the method for design of high-temperature dual-band structures, of which the design frequency can be arbitrarily selected and subsequently the pass-bands are selectable, rather than design of a structure with specific dimensions and pass-bands. Results also show that the dual-band structures with graded porous structure can achieve better thermo-mechanical properties compared to traditional A-sandwich structures, and assembly stress can enhance the thermal and mechanical bearing capabilities of the high-temperature dual-band structures as well.

Date: 2016
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DOI: 10.1080/09205071.2016.1202149

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