舰载机前起落架突伸动力学分析及试验方法
收稿日期: 2012-06-01
修回日期: 2013-01-28
网络出版日期: 2013-02-18
基金资助
国家自然科学基金(51105197,51075203);江苏高校优势学科建设工程资助项目
Dynamics and Test Method of Carrier-based Aircraft Nose Landing Gear Sudden Extension
Received date: 2012-06-01
Revised date: 2013-01-28
Online published: 2013-02-18
Supported by
National Natural Science Foundation of China (51105197, 51075203);Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions
魏小辉 , 刘成龙 , 聂宏 , 张明 , 尹乔之 . 舰载机前起落架突伸动力学分析及试验方法[J]. 航空学报, 2013 , 34(6) : 1363 -1369 . DOI: 10.7527/S1000-6893.2013.0120
In order to understand the equivalent relationship of a landing gear's sudden-extension test and the real sudden-extension process of a carrier-based aircraft, a dynamics model of a certain carrier-based aircraft catapult-assisted takeoff process is established. The catapult-assisted takeoff dynamics is simulated and the nose landing gears dynamic response to the sudden-extension process is obtained. A test method is introduced to study the nose landing gear's sudden extension based on equivalent mass. Accordingly, a test program is presented for independent nose landing gear sudden-extension analysis. With simulated results of the models introduced above, the value range of relevant test parameters is studied. It is shown that the independent nose landing gear sudden-extension dynamic response is relatively consistent with the full-aircraft catapult-assisted takeoff dynamics when the equivalent mass coefficient is equal to 0.8.
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