进气掺氢对爆轰波参数影响的试验研究

推进技术 ›› 2015, Vol. 36 ›› Issue (12): 1915-1920.

• 电推进和其它推进 • 上一篇

进气掺氢对爆轰波参数影响的试验研究

白桥栋,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,南京理工大学瞬态物理国家重点实验室，江苏南京210094

发布日期:2021-08-15
作者简介:白桥栋(1979—)，男，博士，讲师，研究领域为爆轰推进技术。
基金资助:
国防预研项目。

ExperimentalStudyofEffectsofHydrogenAdditiononDetonationWaveParameters

NationalKeyLaboratoryofTransientPhysics，NanjingUniversityofScienceandTechnology，Nanjing210094，China and NationalKeyLaboratoryofTransientPhysics，NanjingUniversityofScienceandTechnology，Nanjing210094，China

Published:2021-08-15

摘要/Abstract

摘要： 为研究氢气对气液两相脉冲爆轰发动机内爆轰参数的影响，对进气掺氢的脉冲爆轰发动机进行了试验研究，实现了发动机的稳定工作。研究发现，进气中掺混氢气对爆轰波参数有较大影响，氢气进气压力为0.1MPa时，掺氢后爆轰波的峰值压力和速度均明显提高，爆轰波速度由1045.9m/s升高至1846.2m/s，发动机尾部位置上爆轰峰值压力从1.9MPa上升至4.5MPa，爆轰波后平台压力提高了0.2～

关键词: 脉冲爆轰发动机；爆轰波；燃烧转爆轰；氢气中图分类号:V238文献标识码:A文章编号:1001-4055(2015)12-1915-06DOI:10.13675/j.cnki.tjjs.2015.12.023

Abstract: Toinvestigatetheeffectsofhydrogenonthedetonationwaveparameters，theexperimentalstudywasconductedforthegas-liquidpulsedetonationenginewithhydrogenadditionandthestableworkingpro.cessofpulsedetonationenginewasachieved.Theexperimentalresultsshowthatthehydrogenadditionhassignif.icantinfluenceonthedetonationwaveparameters，thedetonationpressureandvelocityincreaseobviouslywithhydrogeninletpressureof0.1MPa，thedetonationwavevelocityincreasesfrom1045.9m/sto1846.2m/s，andthedetonationpeakpressurealsoincreasesfrom1.9MPato4.5MPaattheexitofthePDE.Meanwhile，thedeto.nationplatformpressureincreasesby0.2~0.6MPa.Thedetonationvelocityincreaseswhenthehydrogeninletpressurerisingfrom0.1MPato0.22MPa.Thedistanceofdeflagrationtodetonationtransitioncanbeshortenwithhydrogenaddition.Thedetonationwavecanbefullydevelopedinpulsedetonationenginewithfewerobstacles(5obstades)withhydrogenaddition，thustheDDTdistancecanbereduced，butwhenthenumberofobstaclesislessthanfive，thepulsedetonationenginecannotworkregularly.Theexperimentalresultsarehelpfultoim.provethecomprehensiveperformanceofthePDE.

Key words: Pulseddetonationengine；Detonationwave；Deflagrationtodetonationtransition；Hydrogen

白桥栋,翁春生. 进气掺氢对爆轰波参数影响的试验研究[J]. 推进技术, 2015, 36(12): 1915-1920.

BAIQiao-dong,WENGChun-sheng. ExperimentalStudyofEffectsofHydrogenAdditiononDetonationWaveParameters[J]. Journal of Propulsion Technology, 2015, 36(12): 1915-1920.

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进气掺氢对爆轰波参数影响的试验研究

ExperimentalStudyofEffectsofHydrogenAdditiononDetonationWaveParameters

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