Cellular structure evolution of gaseous detonation in a 90 rectangular bend

XIA Chang-jing; ZHOU Kai-yuan

doi:10.11883/1001-1455(2005)02-0151-06

Volume 25 Issue 2

Dec. 2014

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XIA Chang-jing, ZHOU Kai-yuan. Cellular structure evolution of gaseous detonation in a 90 rectangular bend[J]. Explosion And Shock Waves, 2005, 25(2): 151-156. doi: 10.11883/1001-1455(2005)02-0151-06

Citation:

XIA Chang-jing, ZHOU Kai-yuan. Cellular structure evolution of gaseous detonation in a 90 rectangular bend[J]. Explosion And Shock Waves, 2005, 25(2): 151-156. doi: 10.11883/1001-1455(2005)02-0151-06

XIA Chang-jing, ZHOU Kai-yuan. Cellular structure evolution of gaseous detonation in a 90 rectangular bend[J]. Explosion And Shock Waves, 2005, 25(2): 151-156. doi: 10.11883/1001-1455(2005)02-0151-06

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Cellular structure evolution of gaseous detonation in a 90 rectangular bend

doi: 10.11883/1001-1455(2005)02-0151-06

XIA Chang-jing^1,2,
ZHOU Kai-yuan¹

1.
University of Science and Technology of China, Hefei 230026, Anhui, China;
2.
Institute of Rock Mechanics and Fractals, China University of Mining & Technology, Beijing 100083, China

Publish Date: 2005-03-25

Abstract

Abstract

Cellular patterns were recorded by smoke tracing technique, and evolution of cellular structure was analyzed in detail when gaseous detonation propagates in the 90 rectangular bend. The influences of initial pressure of combustible gas and curvature radii of 90 rectangular bend were also investigated. Initial pressures of combustible gas used in the experiments were 33.3, 26.7, 24.0, 16.0, 10.7 kPa, respectively. The curvature radii of rectangular bend were 100 mm and 50 mm. Study of evolution of detonation cell in the bend might further the understanding of the mechanism of gas detonation diffraction and improve the design of pipes in the petroleum or natural gas industry.
- mechanics of explosion,
- cellular structure evolution,
- 90 rectangular bend,
- gaseous detonation,
- curvature radius

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