Results 1 to 10 of about 2,435,567 (309)
Landing Performance Study for Four Wheels Twin Tandem Landing Gear Based on Drop Test
Aerospace, 2022 The drop tests of a twin tandem landing gear with different filling parameters are carried out in two different landing attitudes (level and tail-down). The overload coefficient and power absorption efficiency are obtained.
Wei Fang, Lingang Zhu, Youshan Wang
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Research on the Influence of Temperature on the Cushioning Performance of Oil-air Landing Gear
Hangkong gongcheng jinzhan, 2022 The oil characteristics and inflation pressure inside the oil-air shock absorber will change with the ambient temperature,which will affect the cushioning performance of landing gear.In order to explore the effect of temperature on the cushioning ...
HU Rui, MU Rangke, SONG Dejun, CHEN Yi
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Shenzhen Daxue xuebao. Ligong ban, 2022 In order to study the impact resistance and dynamic damage rule of reinforced concrete (RC) beams strengthened with carbon fiber reinforced plastics (CFRP) under different impact velocities, four CFRP strengthened RC beams were tested by using a drop ...
ZHANG Yafang +3 more
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Development of metal shock absorber for storage of nuclear spent fuel cask
Nihon Kikai Gakkai ronbunshu, 2023 Metal shock absorbers of nuclear spent fuel casks for storage have been developed. The shock absorbers are equipped at both ends of the cylindrical cask to reduce the impact force and maintain the safety functions of the cask in the event of an ...
Toru MATSUBARA +6 more
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Journal of Marine Science and Engineering, 2021 This paper aims to evaluate the structural strength of unreinforced concrete armor units (CAU), named Cubipod®, used on rubble-mound breakwaters and coastal structures, through a numerical methodology using the combined finite–discrete element method ...
Giulio Scaravaglione +2 more
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DEM Analysis of Track Ballast for Track Ballast–Wheel Interaction Simulation
Applied Sciences, 2020 This study aims to suggest a rational analysis method for a track ballast–wheel interaction that could be further developed to model the interaction in a train-derailment event, based on the discrete-element method (DEM).
Nam-Hyoung Lim +3 more
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Development of 200 N-class throttleable hybrid rocket motor for lunar module application
FirePhysChem, 2021 In this study, ground tests of a lab-scale hybrid rocket motor were conducted to verify the feasibility of the hybrid propulsion system for lunar lander application.
Donghee Lee, Seongjoo Han, Heejang Moon
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IEEE Access, 2022 Rapid and precise reliability evaluation of electronic circuits plays a key role in the design stage of the electronic systems. The task becomes even more difficult when several major parameters contribute into the reliability evaluation.
Reza Reihanisaransari +5 more
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Impact responses of an open‐cell natural rubber foam impregnated with shear thickening fluid
SPE Polymers, 2021 This research aims to investigate the impact responses of an impact absorbing material prepared from natural rubber (NR). Shear thickening fluid (STF) was developed in order to improve compatibility, and impact response capability of a NR foam.
Pornsiri Kaewpradit +4 more
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Journal of Marine Science and Engineering, 2020 The increase in global warming has secured the arctic region as a research hotspot, and the existence of ice floes and massive icebergs poses a great challenge to the navigational safety of polar ships.
Tongqiang Yu +3 more
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