一种激波风洞重活塞刹车装置、刹车方法及刹车系统
By adding a pneumatic braking device to the heavy piston and using high-pressure gas to increase friction, the problem of the heavy piston rebounding at the end of the compression tube was solved, achieving a soft landing and improving the safety and performance of the wind tunnel.
CN116538217BActive Publication Date: 2026-07-17CHINA ACAD OF AEROSPACE AERODYNAMICS
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA ACAD OF AEROSPACE AERODYNAMICS
- Filing Date
- 2023-04-18
- Publication Date
- 2026-07-17
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Figure CN116538217B_ABST
Abstract
本发明涉及一种激波风洞重活塞刹车装置、刹车方法及刹车系统，为了提高重活塞驱动类激波风洞的性能，通过在活塞上增加特殊设计的刹车装置，该刹车装置包括集气腔、导气通道、刹车板、刹车气腔、单向进气阀和气动阀门，活塞正面压力开始下降后刹车装置启动，增大活塞与激波管的摩擦力，进而阻止重活塞在压缩管末端回弹或撞击压缩管末端，使其接近软着陆运动类型，不仅保障了重活塞和风洞运行的安全性，还增加了喷管贮室平稳压力的时间，有效增加了喷管驻室的总温总压，提高风洞运行性能。
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