Design and Experimental Research on the Double Pulse Pneumatic Spray System

WANG Yue; BAI Chun-Hua; LI Bin; ZHANG Qi; LIU Xue-Ling

doi:10.11858/gywlxb.2015.05.004

Volume 29 Issue 5

Dec 2015

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Chinese Journal of High Pressure Physics > 2015 > 29(5): 347-355.

WANG Yue, BAI Chun-Hua, LI Bin, ZHANG Qi, LIU Xue-Ling. Design and Experimental Research on the Double Pulse Pneumatic Spray System[J]. Chinese Journal of High Pressure Physics, 2015, 29(5): 347-355. doi: 10.11858/gywlxb.2015.05.004

Citation:

WANG Yue, BAI Chun-Hua, LI Bin, ZHANG Qi, LIU Xue-Ling. Design and Experimental Research on the Double Pulse Pneumatic Spray System[J]. Chinese Journal of High Pressure Physics, 2015, 29(5): 347-355. doi: 10.11858/gywlxb.2015.05.004

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Design and Experimental Research on the Double Pulse Pneumatic Spray System

doi: 10.11858/gywlxb.2015.05.004

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

Received Date: 25 Jun 2014

Abstract

Abstract

A double pulse pneumatic spray system was designed based on the requirements of multiphase explosion expriments.Water was employed to study the spray characteristics of the system.The two phase flow pattern in delivery pipe, the gas-liquid mixing process of spray room, the angle of spray, the Sauter mean diameterD₃₂ and the particle size distribution were measured via digital image processing technology and laser Doppler methods, respectively.The experimental results prove that the annular two-phase flow is the main flow structure in the gas and liquid delivery pipe when the initial pressure is in the range of 0.8-3.3 MPa, the water is between 50-500 mL and the spray duration is fixed at 450 ms.In the meantime, double pulse pneumatic spray was found in gas and liquid mixing process, corresponding to the spray angle between 138°-170° and the mean D₃₂ of 61 μm at 500 ms, respectively.
- fluid mechanics,
- gas-liquid two phase flow,
- double pulse pneumatic spray

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References(19)

References

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Design and Experimental Research on the Double Pulse Pneumatic Spray System

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