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Fiber Bragg Grating Based Load Monitoring for Carrier-Based Aircraft Main Landing Gear [PDF]
SensorsA three-dimensional load regression system based on fiber Bragg grating strain sensor is proposed to meet the load monitoring requirements of the main landing gear of an aircraft during take-off and landing. The FBG sensors, featuring a strain resolution
Weijun Xue +3 more
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Improving penaeid-trawl efficiencies via ground gear with tickler chains
Aquaculture and Fisheries, 2021 Penaeid trawls often have poor ecological efficiencies measured as unwanted bycatches (with high discard mortality) and
Matt K. Broadhurst
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Six-wheel trolley type landing gear ground load analysis study
Xibei Gongye Daxue Xuebao, 2022 为了分析起落架支柱柔性和机身柔性对飞机地面运动载荷的影响, 应用动力学基本原理, 建立了六轮小车式起落架动力学模型及全机模型。对活塞杆与外筒柔性化处理, 并在对称水平着陆、机尾下沉着陆和滚转着陆3种着陆工况下, 分析了小车式起落架的载荷分配情况, 研究了着陆工况及支柱柔度对小车式起落架载荷分配的影响。对机身进行柔性化处理, 分析机身柔性对地面载荷的影响。结果表明: 支柱柔度对起落架航向载荷影响较大, 对垂向载荷影响较小; 考虑机身柔性后, 弹性机身变形吸收能量, 有助于减弱机体振动 ...
ZHANG Ming +3 more
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Ground load and float-ability analysis of trolley type landing gear
Hangkong gongcheng jinzhanThe compatibility of aircraft landing gear and pavement is of great significance to the ground motion ability of aircraft. In this paper, the landing gear load and tire load distribution under different working conditions for a large aircraft are ...
YANG Yu +3 more
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Study on Reducing Towing Drag by Varying the Shape and Arrangement of Floats and Gears
Applied Sciences, 2022 Many studies have been conducted with the aim of reducing fuel consumption by the fishing industry. We examined whether drag can be reduced by changing the arrangement of gears without requiring the development of new parts for the conventional float and
Jung-Mo Jung +2 more
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Preliminary calculation of the landing gear of a military training aircraft [PDF]
INCAS Bulletin, 2020 The paper presents a preliminary calculation method, which is easy to apply for pre-dimensioning the landing gear. Preliminary calculation of the landing gear includes estimating the loads on landing and determining the position of the nose landing gear ...
Ilie NICOLIN, Bogdan Adrian NICOLIN
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Machines, 2022 Assembling plays a significant role in the performance of large-scale CNC gear profile grinding machines. An approach in the deviation evaluation of ground tooth surfaces taking into account assembly errors is proposed in this paper.
Wenzheng Ding +3 more
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Landing Impact Load Analysis and Validation of a Civil Aircraft Nose Landing Gear
Aerospace, 2023 Landing impact load design is essential, but the process has rarely been fully described, and some designers have even neglected the differences between wheel-axle and ground-contact loads, as well as loads in the longitudinal direction, especially in ...
Wenbin Liu, Youshan Wang, Yuchen Ji
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Coasts, 2022 Generating accurate estimates of the number of vessels in fishing ports using traditional methods (i.e., ground- and boat-based) can be challenging as observations are distorted by an horizontal perspective.
José Amorim Reis-Filho +1 more
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Evaluation of Carburized and Ground Face Gears [PDF]
Journal of the American Helicopter Society, 2000 Experimental durability tests were performed on carburized and ground AIS19310 steel face gears. The tests were in support of a Defense Advanced Research Projects Agency (DARPA) Technology Reinvestment Program (TRP) to enhance face-gear technology. The tests were conducted in the NASA Glenn spiral-bevel-gear/face-gear test facility.
David G. Lewicki +3 more
openaire +1 more source