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[1]刘小勇,李君,周云端.液体火箭发动机声振环境试验及统计能量分析研究[J].火箭推进,2010,36(03):49-53.
　Liu Xiaoyong,Li Jun,Zhou Yunduan.Measurement and analysis of noise field of rocket engine based on statistical energy analysis[J].Journal of Rocket Propulsion,2010,36(03):49-53.
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液体火箭发动机声振环境试验及统计能量分析研究

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 36 期数: 2010年03期 页码: 49-53 栏目: 测控与试验 出版日期: 2010-06-15
Title:
Measurement and analysis of noise field of rocket engine based on statistical energy analysis
文章编号:
(2010)03-0049-0５
作者:
刘小勇; 李君; 周云端
西安航天动力研究所，陕西 西安 710100
Author(s):
Liu Xiaoyong;  Li Jun;  Zhou Yunduan
Xi'an Aerospace Propulsion Institute, Xi'an 710100, China
关键词:
火箭发动机; 喷流噪声; 统计能量分析
分类号:
V434
文献标志码:
A
摘要:
对试车台上某型液体火箭发动机单机试车时发动机产生的喷流噪声和发动机上方目标声场进行了多次测量，并基于统计能量分析方法建立了该箭体－火箭发动机系统的声振分析模型，以试验和计算相结合的方法对有效载荷舱目标声场进行仿真计算，并和试车台上目标声场测试结果进行了对比分析，两者具有较好的一致性，表明该分析方法在中高频进行结构声振预示的可行性。
Abstract:
The jet noise and specific sound field produced by a rocket engine on the ground test stand were measured, and the vibro-acoustic model was built based on statistical energy analysis to predict the noise environment of the rocket engine. During the test, the sound pressure levels around the engine nozzle and the payload cabin were measured. The result can support the noise spectrum prediction of the key rocket part.

参考文献/References:

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备注/Memo

收稿日期：200９-０7-30；修回日期：2010-01-13。
作者简介： 刘小勇（1980—），男，硕士，研究领域为液体火箭发动机强度试验。

更新日期/Last Update: 1900-01-01