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毫米量级微管内单次爆震 被引量：3

Single-Cycle Detonation in Millimeter-Scale Tube
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摘要 采用高速摄影仪拍摄和压力测量的方法,研究了乙炔/空气混合气体在毫米量级微管中的单次爆震燃烧特性.测量得到内径10,mm的不锈钢管内的爆震波压力为2.7,MPa,速度为1,428.6,m/s.通过高速摄像仪观察到有机玻璃管中存在3种不同的火焰形态:振荡火焰、缓燃火焰和爆震火焰,有机玻璃管中的爆震波速度约为1,450,m/s.实验表明,乙炔/空气混合气体在两种不同材料的毫米量级微管中均可实现爆震燃烧. High-speedcamera and pressure transducers were usedto studythe phenomenon of detonation combustion of acetylene/air mixture in millimeter-scale tube. The peak pressure of detonation wave in 10 mm stainless steel tube was about 2.7 MPa with the velocity of 1 428.6 m/s. Three types of flames were observed in the transparent tube： oscillating fame, deflagration flame and detonation flame. The velocity of detonation wave in the transparent tube was 1 450 m/s. The results show that fully-developed detonation waves of acetylene/air mixture can be formed in both stainless steel and transparent millimeter-scale tubes.
作者 靳乐 范玮 严传俊 王可
机构地区 西北工业大学动力与能源学院
出处 《燃烧科学与技术》 EI CAS CSCD 北大核心 2012年第4期338-343,共6页 Journal of Combustion Science and Technology
基金 国家自然科学基金资助项目(50976094 51176158) 教育部博士点基金资助项目(20096102110022) 2011年西北工业大学本科毕业设计(论文)重点扶持项目
关键词 毫米量级微管 爆震燃烧 当量比 高速摄影仪 millimeter-scale tube detonation combustion equivalence ratio high-speed camera
分类号 TK16 [动力工程及工程热物理—热能工程]
  • 相关文献

参考文献8

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共引文献18

同被引文献39

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引证文献3

二级引证文献4

燃烧科学与技术
2012年 第4期

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