李冬梅,牟让科,杨武刚.起落架落震试验环境温度模拟技术研究[J].装备环境工程,2017,14(8):34-38. LI Dong-mei,MOU Rang-ke,YANG Wu-gang.Simulation Techniques for Environmental Temperature in Aircraft Landing Gear Drop Test[J].Equipment Environmental Engineering,2017,14(8):34-38.
起落架落震试验环境温度模拟技术研究
Simulation Techniques for Environmental Temperature in Aircraft Landing Gear Drop Test
投稿时间:2017-03-31  修订日期:2017-08-15
DOI:10.7643/issn.1672-9242.2017.08.007
中文关键词:  起落架  落震试验  高低温环境模拟设备
英文关键词:landing gear  drop test  high and low temperature environment simulating units
基金项目:
作者单位
李冬梅 中航工业飞机强度研究所 飞机气候环境适应性研究室,西安 710065 
牟让科 中航工业飞机强度研究所 飞机气候环境适应性研究室,西安 710065 
杨武刚 中航工业飞机强度研究所 飞机气候环境适应性研究室,西安 710065 
AuthorInstitution
LI Dong-mei Aircraft Environmental Adaptability Laboratory, AVIC Aircraft Strength Research Institute, Xi'an 710065, China 
MOU Rang-ke Aircraft Environmental Adaptability Laboratory, AVIC Aircraft Strength Research Institute, Xi'an 710065, China 
YANG Wu-gang Aircraft Environmental Adaptability Laboratory, AVIC Aircraft Strength Research Institute, Xi'an 710065, China 
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中文摘要:
      目的 验证某型飞机从万米高空俯冲降落直至着陆滑跑过程中,在经历了环境温度从-55 ℃到常温快速剧烈变化后起落架性能的改变。方法 依据起落架落震试验要求,进行起落架高低温环境模拟技术研究。结果 综合考虑试验技术指标、试验件结构尺寸和试验场地限制,成功研制了专用的起落架高低温环境模拟设备。结论 为研究起落架缓冲器内敏感参数与温度的变化规律和起落架结构性能提供了验证手段。
英文摘要:
      Objective To verify the performance change of a landing gear after a rapid and severe change of ambient temperature from -55 ℃ to normal temperature in the progress of aircraft diving form high altitude to landing and taxiing. Methods High and low temperature environment simulation techniques for aircraft landing gear were researched according to requirements on drop test of landing gear. Results Special high and low temperature simulation equipment for landing gear was successfully developed in view of indicators on test techniques and restrictions on structural size of test piece and test site. Conclusion It provides a method for verifying change rules of sensitive parameters and temperature in the buffer of the landing gear and the structural performance of the landing gear.
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