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Hyun-Guk Kim, Dong-Geon Kim, Ryoon-Ho Do, Kyung-Rae Koo and Young-Joon Yu
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Zeqing Fan, Xiaobin Li, Tao Huang and Wei Chen
A multilayer liquid-containing protective structure is composed of a liquid tank, ceramic, a honeycomb sandwich and homogeneous steel. This structure has superior resistance to combined blast wave and fragment loading. Due to the relatively complicated c...
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Moritz Neubauer, Julia Genßler, Vincent Radmann, Fleming Kohlenberg, Michael Pohl, Kurt Böhme, Karsten Knobloch, Ennes Sarradj, Klaus Höschler, Niels Modler and Lars Enghardt
This paper presents a combined experimental and numerical investigation on a novel liner concept for enhanced low-frequency and broadband acoustic attenuation. In particular, two different realizations, derived from conventional Helmholtz resonators (HR)...
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Qianning Li, Xiaofei Cao, Xingxing Wu, Wei Chen, Chunbao Li and Xiaobin Li
An improved star-shaped honeycomb (ISSH) is a kind of honeycomb structure with excellent performance. The main objective of this study was to provide some ideas for the optimization of the ISSH structure in ships. As a result, 2D-ISSH specimens were fabr...
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Weijun Lin, Mengzhen Li, Pu Li, Qianning Li and Wei Chen
In this paper, the negative Poisson?s ratio and rigidity of a protective structure are improved to allow the structure to exert a negative Poisson?s ratio effect in multiple directions and to enhance the structural load-carrying capacity. Therefore, a 3D...
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Jinshun Hu, Yongshui Lin, Zhiwei Zhou, Xiaofei Cao, Qingjia Chi and Weiguo Wu
To further improve the low-frequency broadband sound absorption capability of the underwater anechoic layer (UAL) on the surface of marine equipment, a novel sound absorption structure with cavities (NSSC) is designed by adding resonators and honeycombs ...
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Anton Hadar, Andrei-Daniel Voicu, Florin Baciu, Daniel Vlasceanu, Daniela-Ioana Tudose and Stefan-Dan Pastrama
This paper describes the transition towards a composite structure, with the same overall aerodynamic characteristics, for a tail rotor blade of an IAR330 helicopter. The newly proposed structure of the composite blade is made of a carbon-roving spar embe...
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Yu Wang, Xiang Li, Tingjia Wu and Hailian Yin
Since the taper ratio of most wings is not equal to 1, the beam-disk trailing edge deflection mechanism originally designed for the rectangular wing is not fully applicable to the non-equal chord wing. Moreover, it is not only expected that the wing shap...
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Duoxun Fang, Adham Al-akhali, Molin Cao, Jiahao Liu and Zhengqiang Tang
Preparing underwater superoleophobic surface is an effective method to solve the problems of oil adhesion on the underwater surfaces and oil spill in water. However, the underwater superoleophobic surfaces at present are not reliable in practical applica...
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Yang Yang, Fan Wang and Jieshan Liu
This paper analyzes and calculates the mechanical properties of composite tape spring structures during folding and bending and establishes a non-linear control equation for the folding and bending of composite laminate tape spring structures. Accurate e...
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