[1]潘 啸,翁春生.微小型气液两相脉冲爆轰发动机试验研究与数值模拟[J].南京理工大学学报(自然科学版),2017,41(01):1.[doi:10.14177/j.cnki.32-1397n.2017.41.01.001]
 Pan Xiao,Weng Chunsheng.Experimental investigation and numerical simulation ofsmall-scale gas-liquid two-phase pulse detonation engine[J].Journal of Nanjing University of Science and Technology,2017,41(01):1.[doi:10.14177/j.cnki.32-1397n.2017.41.01.001]
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微小型气液两相脉冲爆轰发动机试验研究与数值模拟()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
41卷
期数:
2017年01期
页码:
1
栏目:
出版日期:
2017-02-28

文章信息/Info

Title:
Experimental investigation and numerical simulation ofsmall-scale gas-liquid two-phase pulse detonation engine
文章编号:
1005-9830(2017)01-0001-05
作者:
潘 啸翁春生
南京理工大学 瞬态物理国家重点实验室,江苏 南京 210094
Author(s):
Pan XiaoWeng Chunsheng
National Key Lab of Transient Physics,Nanjing University of Science and Technology,Nanjing 210094,China
关键词:
微小型脉冲爆轰发动机 气液两相 多循环试验 数值模拟
Keywords:
small-scale pulse detonation engine gas-liquid two-phase multi-cycle detonation experiment numerical simulation
分类号:
V231.22
DOI:
10.14177/j.cnki.32-1397n.2017.41.01.001
摘要:
为探索微小型脉冲爆轰发动机(Small-scale pulse detonation engine,SPDE)的工作特性,采用试验和数值模拟相结合的方式对SPDE进行了研究。设计了一台内径30 mm、总长900 mm的火箭式气液两相SPDE。试验以汽油为燃料,研究了在不同点火频率下SPDE的工作情况。试验结果表明,SPDE能在10~40 Hz频率下多循环稳定工作,爆轰波平均压力在2~3 MPa之间; 随着频率的提高,峰值压力和平均压力均有所降低。数值计算采用二维守恒元/求解元方法(CE/SE)模拟了爆轰波在气液两相SPDE内的传播特性,计算结果与试验结果符合较好。研究结果对SPDE的雾化、掺混以及高频率的实现具有重要意义。
Abstract:
To explore the working characteristics of small-scale pulse detonation engine(SPDE),a series of experiments and numerical simulations are carried out on SPDE.A gas-liquid small-scale pulse detonation rocket engine is designed with 30 mm inner diameter and a total length of 900 mm.The characteristics of pressure wave in detonation tube at different ignition frequencies are studied by using gasoline as fuel.Multi-cycle detonation experiments show that SPDE can work stably and continuously under the frequency range of 10~40 Hz,and the average pressure of detonation wave is between 2~3 MPa; with the increase of frequency,the peak pressure and the average pressure are reduced.Two-dimensional CE/SE method is used to simulate the propagation characteristics of detonation wave in gas-liquid two-phase SPDE,and the calculation results are in good agreement with the experimental results.The research results are significant to the study of SPDE atomization,mixing and the realization of high frequency SPDE.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-03-09 修回日期:2016-09-19
基金项目:国家自然科学基金(11472138)
作者简介:潘啸(1992-),男,博士生,主要研究方向:爆轰推进技术,E-mail:panqey@163.com; 通讯作者:翁春生(1964-),男,教授,博士生导师,主要研究方向:推进技术,E-mail:wengcs@126.com。
引文格式:潘啸,翁春生.微小型气液两相脉冲爆轰发动机试验研究与数值模拟[J].南京理工大学学报,2017,41(1):1-5.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2017-02-28