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[1]赵耀中,郑 然,彭龙涛,等.运载火箭氧自生增压不锈钢管道的安全性研究[J].火箭推进,2015,41(06):105-110.
　ZHAO Yaozhong,ZHENG Ran,PENG Longtao,et al.Study on reliability of stainless steel tube for self-pressurization oxygen tank of launch vehicle[J].Journal of Rocket Propulsion,2015,41(06):105-110.
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运载火箭氧自生增压不锈钢管道的安全性研究

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 41 期数: 2015年06期 页码: 105-110 栏目: 测控与试验 出版日期: 2015-12-31
Title:
Study on reliability of stainless steel tube for self-pressurization oxygen tank of launch vehicle
作者:
赵耀中; 郑 然; 彭龙涛; 刘 屹
北京航天试验技术研究所，北京 100074
Author(s):
ZHAO Yaozhong;  ZHENG Ran;  PENG Longtao;  LIU Yi
Beijing Institute of Aerospace Testing Technology, Beijing 100074, China
关键词:
运载火箭; 氧气自生增压; 不锈钢管道; 试验系统
Keywords:
launch vehicleoxygen self-pressurizationstainless steel tubetest system
分类号:
V434-34
文献标志码:
A
摘要:
针对某型运载火箭液氧贮箱氧自生增压用不锈钢管道的安全性，进行了分析与试验研究。通过机理分析，认为管道系统中存在的多余物是影响系统安全的主要因素之一。设计了一套掺杂高温氧气流安全性试验系统，为确保试验系统安全，采用水浴换热器对氧气加热，并在高温氧气流进入试验件前掺入杂质颗粒。氧自身增压管道试验件入口温度范围为380～410 K，入口压力为1 MPa。多余物颗粒为增压管道中常有的5种金属材料，粒径范围10~500 μm。搭建了试验系统，并开展了两轮时长为400 s的高温氧气流掺杂试验。试验结果表明，不锈钢管道可以适应运载火箭氧自生增压系统工况，受控状态下掺入少许金属颗粒的高温氧气流不会造成管道烧蚀或燃爆事故。试验表明，采用水浴加热方式可以安全地获得高温氧气流，可为类似系统借鉴。
Abstract:
The reliability of self-pressurization stainless steel tube connecting with rocket oxygen tank was analyzed and tested. The result of theory analysis indicates that the redundant elements (metal powder) existing in the tube system is the main factor to affect the system reliability. A safety testing system was designed and manufactured, in which the oxygen flow temperature at the inlet was raised to 380～410 K by heat exchange with hot water, and the oxygen flow pressure at the inlet was 1 MPa. Powders of the redundant element are 5 kinds of metal material which is commonly used in rocket propulsion system. The diameter of the powders is about 10～500 μm. Two 400 s doped tests of high-temperature oxygen flow were conducted. The result indicates that the stainless self-pressurization tube can satisfy its working environment, and that the high-temperature oxygen flow with some metal powders can not cause burning or blast accident. In addition, the test also demonstrates that the high-temperature oxygen flow can be obtained safely by heat water exchange, which can

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备注/Memo

收稿日期：2015-01-08；修回日期：2015-04-22 基金项目：中国航天科技集团公司支撑项目（2012JY15） 作者简介：赵耀中（1984—），男，硕士，研究领域为航天发动机试验技术

更新日期/Last Update: 1900-01-01