盒式六分量应变天平热态试验气动结构特性

罗华云; 侯敏杰; 王月贵; 顾杨

doi:10.13224/j.cnki.jasp.2014.09.002

盒式六分量应变天平热态试验气动结构特性

doi: 10.13224/j.cnki.jasp.2014.09.002

中国航空工业集团公司中国燃气涡轮研究院航空发动机高空模拟航空科技重点实验室, 四川江油 621703

详细信息

作者简介:
罗华云（1968-），男，四川都江堰人，高级工程师，硕士，主要从事设备结构、调试与试验技术研究.

中图分类号: V211.73
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出版历程
- 收稿日期: 2013-06-04
- 刊出日期: 2014-09-28

Aerodynamic structural characteristic of box six-component strain-gauge balance in heat state test

Aviation Key Laboratory of Science and Technology on Aero-Engine Altitude Simulation, China Gas Turbine Establishment, Aviation Industry Corporation of China, Jiangyou Sichuan 621703, China

摘要

摘要: 为了探索盒式六分量应变天平热态试验时三维力传感器输出信号异常的现象，从四分量机械单台式天平与盒式六分量应变天平的气动布局、主体结构及热态试验方面展开了对比分析，受结构及安装制约，盒式六分量应变天平无法消除或补偿高温热流在稳定段上产生的热应力.为保留喷管模型试验器最具特色的高温试验功能，利用对称布置方案，调换燃油加温器至稳定段出口.热态试验证明：在增强天平的平衡性、减少天平机械连接、简化燃油加温器安装和调试的情况下，天平的推力测量值从异常的负值恢复正常，解决天平输出信号异常问题，满足天平热态试验性能要求.
- 热应力 /
- 盒式六分量应变天平 /
- 气动布局 /
- 热态试验 /
- 对称布置 /
- 推力测量值
Abstract: In order to explore the abnormal phenomena of output signals of three dimensional force sensor in heat state test of box six-component strain-gauge balance,the balance frame,aerodynamic layout and heat state test were analysed for the four-component mechanical single desktop balance and box six-component strain-gauge balance, while the heat stress in stability segment of box six-component strain-gauge balance produced by high temperature flow by restriction of framework and installation was not eliminated or compensated at all. The fuel heater was moved to the exit of stability segment by symmetrical arrangement frame in order to preserve the best special function of heat state test in nozzle model test facility.The heat state test validates that thrust measure value of balance is resumed normally from abnormal negative value, and the problem of abnormal balance output signals is solved by reducing balance mechanical joint, increasing equilibrium of balance and predigesting installation and test of fuel heater, showing that it satisfies the balance heat state test performance requirement.
- heat stress /
- box six-component strain-gauge balance /
- aerodynamic layout /
- heat state test /
- symmetrical arrangement /
- thrust measure value

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参考文献(16)

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