PDF下载 分享
[1]刘上[],王艺杰[],程晓辉[],等.小推力泵压式发动机自身起动过程仿真分析[J].火箭推进,2016,42(04):7-13.
　LIU Shang[],WANG Yijie[],CHENG Xiaohui[],et al.Simulation of self start-up process for low thrust pump-fed rocket engine[J].Journal of Rocket Propulsion,2016,42(04):7-13.
点击复制

小推力泵压式发动机自身起动过程仿真分析

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 42 期数: 2016年04期 页码: 7-13 栏目: 研究与设计 出版日期: 2016-08-31
Title:
Simulation of self start-up process for low thrust pump-fed rocket engine
作者:
刘上[1]; 王艺杰[2]; 程晓辉[2]; 王鹏武[2]; 张兴军[2]
液体火箭发动机技术重点实验室,陕西西安,710100西安航天动力研究所,陕西西安,710100
Author(s):
LIU Shang[1]; WANG Yijie[2]; CHENG Xiaohui[2]; WANG Pengwu[2]; ZHANG Xingjun[2]
关键词:
液体火箭发动机; 小推力泵压式发动机; 自身起动; 仿真分析
Keywords:
liquid rocket engine; low thrust pump-fed engine; self start-up; simulation analysis
分类号:
V434-34
文献标志码:
A
摘要:
根据二级箭体钝化处理的需要,小推力泵压式游动发动机需要在低入口压力下实现自身起动,进入稳态工作.在MWorks通用仿真平台的基础上,建立发动机起动过程系统仿真模型,通过试车数据验证了仿真模型的合理性.进一步分析了发动机的入口压力条件、主阀流阻以及环境压力对发动机起动过程的影响.结果表明:发动机能够实现自身起动,但起动过程较长;氧化剂的入口压力对发动机自身起动过程影响很大,氧化剂入口压力降低,涡轮泵起旋时间延迟明显,起动品质变差;降低发动机主阀流阻,能够使涡轮泵起旋时间提前,改善起动品质;环境压力降低使推进剂充填过程加快,涡轮泵起旋和工况爬升加快,有利于发动机的自身起动过程.

相似文献/References:

[1]郑 伟,李护林,陈新红.激光快速成形技术在液体动力领域的应用前景[J].火箭推进,2015,41(06):1.
　ZHENG Wei,LI Hulin,CHEN Xinhong.Application prospect of laser rapid prototyping technology in the field of liquid power[J].Journal of Rocket Propulsion,2015,41(04):1.
[2]郭 敬,宋晶晶,孔凡超.发动机推进剂增压输送系统建模仿真技术综述[J].火箭推进,2015,41(05):1.
　GUO Jing,SONG Jingjing,KONG Fanchao.Overview of modeling and simulation technology for propellant pressurization feed system of liquid rocket engine[J].Journal of Rocket Propulsion,2015,41(04):1.
[3]于 康,谢荣华,陈晓江.表面张力贮箱电子束焊接工艺研究[J].火箭推进,2015,41(05):89.
　YU Kang,XIE Ronghua,CHEN Xiaojiang.Study on electron beam welding process for surface tension tank[J].Journal of Rocket Propulsion,2015,41(04):89.
[4]刘中华,苏 晨,汪军安,等.气路膜片设计研究[J].火箭推进,2015,41(05):95.
　LIU Zhonghua,SU Chen,WANG Junan,et al.Design and study of pneumatic diaphragm in gas circuit[J].Journal of Rocket Propulsion,2015,41(04):95.
[5]薛 薇,蔡震宇,曹红娟,等.基于可视化平台的液氢/液氧火箭发动机核心部件质量计算[J].火箭推进,2015,41(04):61.
　XUE wei,CAI Zhenyu,CAO Hongjuan,et al.Mass calculation of key assembly units in LH2/ LOX rocket engine based on visual interface[J].Journal of Rocket Propulsion,2015,41(04):61.
[6]穆朋刚,童 飞,蒲光荣,等.温度对贮箱增压系统的影响分析[J].火箭推进,2015,41(04):74.
　MU Penggang,TONG Fei,PU Guangrong,et al.Influence of temperature on tank pressurization system[J].Journal of Rocket Propulsion,2015,41(04):74.
[7]高朝辉,刘 宇,肖 肖,等.垂直着陆重复使用运载火箭对动力技术的挑战[J].火箭推进,2015,41(03):1.
　GAO Zhao-hui,LIU Yu,et al.Challenge to propulsion technology for vertical landing reusable launch vehicle[J].Journal of Rocket Propulsion,2015,41(04):1.
[8]申智帅,等.气动增压器技术及其在空间推进系统的应用[J].火箭推进,2015,41(03):15.
　SHEN Zhi-shuai,RUAN Hai-jun,et al.Pneumopump technology and its application in space propulsion system[J].Journal of Rocket Propulsion,2015,41(04):15.
[9]张 翔,徐洪平,安雪岩,等.液体火箭发动机稳态运行故障 数据聚类分析研究0[J].火箭推进,2015,41(02):118.
　ZHANG Xiang,XU Hong-ping,AN Xue-yan,et al.Clustering analysis for fault data in steady process of liquid propellant rocket engine[J].Journal of Rocket Propulsion,2015,41(04):118.
[10]窦 唯,闫宇龙,金志磊,等.某发动机涡轮泵转子高温超速/疲劳试验研究[J].火箭推进,2015,41(01):15.
　DOU Wei,YAN Yu-long,JIN Zhi-lei,et al.Fatigue experiment of turbo-pump rotor at over-speed and high temperature condition[J].Journal of Rocket Propulsion,2015,41(04):15.

备注/Memo

国家863项目

更新日期/Last Update: 1900-01-01