航天推进技术研究院主办
[1]朱舒扬.全尺寸超燃冲压发动机推力测量台架研制[J].火箭推进,2015,41(05):106-110.
ZHU Shuyang.Development of thrust measurement platform for full-scale scramjet[J].Journal of Rocket Propulsion,2015,41(05):106-110.
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ZHU Shuyang.Development of thrust measurement platform for full-scale scramjet[J].Journal of Rocket Propulsion,2015,41(05):106-110.
全尺寸超燃冲压发动机推力测量台架研制
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
41
期数:
2015年05期
页码:
106-110
栏目:
测控与试验
出版日期:
2015-10-31
- Title:
- Development of thrust measurement platform for full-scale scramjet
- 分类号:
- V434+.3-34
- 文献标志码:
- A
- 摘要:
- 介绍了用于全尺寸超燃冲压发动机推力测量的三分量推力台架的研制。该推力台架用于在自由射流试验中测量发动机轴向推力、升力及俯仰力矩。推力架由定架、动架、弹性连杆、锁紧机构、推力校验系统组成。通过5个测量传感器组成的测量系统获得测量矩阵，通过三分量推力校验得出推力、升力、俯仰力矩与测量矩阵之间的关系。动架锁紧机构采用液压插拔销结构，实现动架的锁紧和解锁，在承受冲击过程中保护推力架。自由射流试验验证了推力台架的测力性能，推力架真实反映了发动机在自由射流流场中各阶段的受力状况，各分量测量精度满足要求，为超燃冲压发动型号研制提供了重要的试验测量参数。
- Abstract:
- The development of three-component thrust platform used for the thrust measurement of scramjet is described in this paper. The thrust platform is used to measure axial thrust, lift force and pitching moment in the free jet test. The thrust platform mainly consists of the fixed frame, moving frame, elastic linkage, locking mechanism and thrust force calibration system. The thrust platform obtains measurement matrix through five groups of measuring sensors. The relationship among axial thrust, lift force, pitching moment and measurement matrix is obtained through the three-component thrust calibration. Locking or unlocking of the moving frame is realized by the locking mechanism with hydraulic plug pin structure, which protects the thrust platform while the impact occurs. The thrust measuring performance of the platform was verified by the free jet test. The platform can record the force loaded on the scramjet in the supersonic free jet field, and get the thrust gain. The thrust platform can meet the accuracy requirement of each component measurement and provide
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备注/Memo
收稿日期：2014-12-18；修回日期：2015-04-08 作者简介：朱舒扬（1986—），男，硕士，工程师，研究领域为冲压发动机试验技术
更新日期/Last Update:
1900-01-01