Experimental study on expansion characteristics of twin combustion-gas jets in liquid-filled chambers

Xue Xiao-chun; Yu Yong-gang; Zhang Qi

doi:10.11883/1001-1455(2013)05-0449-07

Volume 33 Issue 5

Nov. 2013

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Xue Xiao-chun, Yu Yong-gang, Zhang Qi. Experimental study on expansion characteristics of twin combustion-gas jets in liquid-filled chambers[J]. Explosion And Shock Waves, 2013, 33(5): 449-455. doi: 10.11883/1001-1455(2013)05-0449-07

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Experimental study on expansion characteristics of twin combustion-gas jets in liquid-filled chambers

doi: 10.11883/1001-1455(2013)05-0449-07

1.
School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing210094, Jiangsu, China

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Supported by the National Natural Science Foundation of China (50776048)

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Corresponding author: Xue Xiao-chun
Publish Date: 2013-09-25

Abstract

Abstract

A five-stage cylindrical stepped-wall observation chambers and a cylindrical observation chambers were designed to explore the expansion characteristics of high-temperature high-pressure twin combustion-gas jets in bulk-loaded liquid. The expansion processes of the twin combustion-gas jets in the designed chambers filled with liquid were observed by using a high-speed photographic system. The influences of the different observation chamber boundaries and the conditional parameters were compared. The experimental results show that the cylindrical stepped-wall observation chambers can be more helpful for improving the mixing characteristics of twin gas jets with liquid. And the expansion processes of the twin combustion-gas jets in the three-dimensional filledliquid chambers can be controlled in a certain degree by correctly matching the condition parameters.
- fluid mechanics,
- expansion characteristics,
- cylindrical stepped-wall observation chambers,
- twin combustion-gas jets,
- turbulence mixing

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