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[1]唐 飞,李家文,李 永,等.热力学效应对低温诱导轮旋转汽蚀影响的数值研究[J].火箭推进,2013,39(02):29-34.
　TANG Fei,LI Jia-wen,LI Yong,et al.Influence of thermodynamics effect on inducer rotating cavitation under low temperature condition[J].Journal of Rocket Propulsion,2013,39(02):29-34.
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热力学效应对低温诱导轮旋转汽蚀影响的数值研究

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 39 期数: 2013年02期 页码: 29-34 栏目: 研究与设计 出版日期: 2013-04-30
Title:
Influence of thermodynamics effect on inducer rotating cavitation under low temperature condition
文章编号:
1672-9374(2013)02-0029-06
作者:
唐 飞1 ; 李家文2 ; 李 永1 ; 周 成1
1. 北京控制工程研究所，北京 100190；2. 北京航空航天大学 宇航学院，北京 100191
Author(s):
TANG Fei1; LI Jia-wen2; LI Yong1; ZHOU Cheng1
1. Beijing Institute of Control Engineering, Beijing 100190, China;
关键词:
诱导轮; 旋转汽蚀; 低温液体; 热力学效应
分类号:
V434-34
文献标志码:
A
摘要:
诱导轮是液体火箭发动机中提高涡轮泵性能的关键部件，而旋转汽蚀是引起诱导轮故障的原因之一。低温液体发生汽蚀时会产生大量的潜热，对汽蚀流动产生重要的影响。利用基于Rayleigh-Plesset方程的混合流体模型，并考虑了汽蚀热力学效应，对诱导轮二维叶栅中的低温旋转汽蚀现象进行了数值分析。计算结果表明，考虑热力学效应时，产生旋转汽蚀的入口压力值下降；低温条件下的温度变化对超同步旋转汽蚀没有影响，而对次同步旋转汽蚀影响显著。
Abstract:
Inducer is a key component of liquid rocket propulsion system to improve the performance of turbopump. It is well-known that rotating cavitation is harmful to turbopump, and even causes the launch failure of a rocket. Cavitation in cryogenic fluids can produce much latent heat, and has a thermodynamic effect because of thermal imbalance around the cavity. A numerical analysis of cryogenic fluids rotating cavitation in 2D blade cascade in inducer is performed with a mixture model based on Rayleigh-Plesset equation with the thermodynamic effect considered. The results indicate that the inlet pressure will decrease when take into account the ther

参考文献/References:

[1] HOSANGADI A, AHUJA V, UNGEWITTER R J．Simula- tions of rotational cavitation instabilities in the SSME LPFP inducer, AIAA 2007-5536[R]. USA: AIAA, 2007.
[2] TORRE L, CERVONE A, PASINI A．Experimental cha- racterization of thermal cavitation effects on space rocket axi- al inducers [J]. Journal of Fluids Engineering, 2011,133(11): 1-10.
[3] UGAJIN H, KAWAI M, OKITA K Numerical analysis of the unsteady cavitating flow in a 2D-Cascade and a 3D-Indu- cer, AIAA 2007-5535[R]. USA: AIAA, 2007.

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备注/Memo

收稿日期：2012-09-１8；修回日期：2012-12-04
基金项目：中国航天科技集团公司支撑项目（2007JY02)
作者简介：唐飞（1982—），男，博士，研究领域为航天器推进技术

更新日期/Last Update: 1900-01-01