| 专用灭火剂浓度测试设备研制及其应用 |
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| 引用本文： | 吴燕燕,杨小龙,李海涛,罗铁苟,郑友兰,闵兴明.专用灭火剂浓度测试设备研制及其应用[J].航空工程进展,2020,11(5):746-751. |
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| 作者姓名： | 吴燕燕 杨小龙 李海涛 罗铁苟 郑友兰 闵兴明 |
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| 作者单位： | 中国直升机设计研究所 机电系统部,景德镇 333001,中国直升机设计研究所 机电系统部,景德镇 333001,湖南苍树航天科技有限公司,长沙 410201,中国直升机设计研究所 机电系统部,景德镇 333001,中国直升机设计研究所 机电系统部,景德镇 333001,中国直升机设计研究所 机电系统部,景德镇 333001 |
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| 摘 要： | 直升机(飞机)动力舱灭火系统进行试验时需要准确测量灭火剂浓度随时间变化情况。利用空气中不 同百分比的灭火剂流经多孔塞产生不同流阻的原理,研究并标定流阻与灭火剂浓度的关系;研制灭火剂浓度测 试设备,并将该设备应用于多个型号的地面试验。结果表明:该设备响应灵敏,能实时反应动力舱内灭火剂浓 度的变化情况,满足直升机(飞机)动力舱灭火系统地面模拟试验要求。
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| 关 键 词： | 直升机 专用灭火剂浓度测试设备 灭火剂浓度 地面模拟试验 动力舱 |
| 收稿时间： | 2019/11/19 0:00:00 |
| 修稿时间： | 2020/1/5 0:00:00 |
Development and Application of Special Extinguishing Agent Concentration Measurement |
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| wu yan yan,lihaitao,luo tie gou,zhengyoulan and minxingming.Development and Application of Special Extinguishing Agent Concentration Measurement[J].Advances in Aeronautical Science and Engineering,2020,11(5):746-751. |
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| Authors: | wu yan yan lihaitao luo tie gou zhengyoulan and minxingming |
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| Institution: | China Helicopter Research and Development Institute,China Helicopter Research and Development Institite,Hunan Cangshu Aerospace Technology Co., Ltd,China Helicopter Research and Development Institute,Chian Helicopter Research and Development Institute,China Helicopter Research and Development Institute |
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| Abstract: | In order to solve veracious measurement about the variety of extinguishing agent concentration along with time in the ground simulation test of helicopter/aeroplane powerplant compartment, the special extinguishing agent concentration
measurement has been developed. The project includes the principle, the system composition, the rapid air heating, the differential pressure generation and the multichannel synchronous control. The measurement has been successfully used in the ground simulation test of several helicopters, the datum show the response of measurement is real-time about the variety of extinguishing agent concentration along with time, because of response sensitivity. it can be satisfied with the requirement of ground simulation test in the fire extinguisher system of helicopter/aeroplane powerplant compartment. |
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