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扇环形截面管内爆震波特性研究 被引量:3

INVESTIGATION OF DETONATION WAVE IN ANNULAR-SECTOR TUBE
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摘要 以实验手段,分别使用乙炔、氢气为燃料、空气为氧化剂研究了扇环形爆震管内爆震波特性,包括沿管长的压力波速度和火焰波速度特性、沿管长的压力波峰值特性,得到了在外径176mm、内径53mm、60°扇形角的扇环形管道内稳定发展波震波的余气系数范围:0.4〈α〈1.4、爆震管横截面不同壁面的压力波和火焰波特性;本文还采用烟膜法研究了上壁面和侧壁面的爆震波胞格结构。 The characteristic of detonation wave, (including pressure wave and flame wave), which propagated in an annular-sector tube was obtained by a series of experiment used ethyne/air and hydrogen/air respectively as detonative mixture. The air excess coefficient (a) range is (0.4, 1.4), that is, detonation wave can be obtained in the tube with 53 mm ID and 176 mm OD and 60°sector-angle. In addition, the text gives the distribution of detonation wave in different wall of tube, and detonation cells were observed bv the way of soot footprint.
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2010年第6期1077-1079,共3页 Journal of Engineering Thermophysics
基金 航空科学基金,国家自然科学基金资助项目(No.2006ZB52 No.50876041)
关键词 扇环形爆震管 爆震波 余气系数 爆震波胞格 annular-sector detonation tube detonation wave air excess coefficient detonation cell
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  • 1Tieszen S R, Stamps D W, Westbrook C K. Gaseous hydrocarbon-air detonations[J]. Combustion and Flame,1991,84(3) :376-390. 被引量:1
  • 2Gamezo V N, Desbordes D, Oran E S. Formation and evolution of two-demensional cellular detonations[J]. Combustion and Flame, 1999,116 : 154-165. 被引量:1
  • 3Gamezo V N, Khokhlov A M,Oran E S. Secondary detonation cells in systems with high activation energy[EB/OL]. http : reaflow, iwr. uni-heidelbert, de/-icders99/program/papers/201-300/237. pdf, 1999-07-25. 被引量:1
  • 4Tieszen S R, Stamps D W, Westbrook C K. Gaseous hydrocarbon-air detonations[J]. Combustion and Flame, 1991,84(3):376-390. 被引量:1
  • 5Gamezo V N, Desbordes D, Oran E S. Formation and evolution of two-demensional cellular detonations[J]. Combustion and Flame, 1999,116:154-165. 被引量:1
  • 6Gamezo V N, Khokhlov A M,Oran E S. Secondary detonation cells in systems with high activation energy[EB/OL]. http:reaflow.iwr.uni-heidelbert.de/-icders99/program/papers/201-300/237.pdf, 1999-07-25. 被引量:1

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