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Liu Richao, Le Jialing, Chen Liujun, Yang Shunhua, Song Wenyan. Experimental and numerical study on spray atomization in a double-swirler combustor[J]. Journal of Experiments in Fluid Mechanics, 2017, 31(5): 24-31, 45. DOI: 10.11729/syltlx20170093
Citation: Liu Richao, Le Jialing, Chen Liujun, Yang Shunhua, Song Wenyan. Experimental and numerical study on spray atomization in a double-swirler combustor[J]. Journal of Experiments in Fluid Mechanics, 2017, 31(5): 24-31, 45. DOI: 10.11729/syltlx20170093
shu

Experimental and numerical study on spray atomization in a double-swirler combustor

  • 1.

    School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China

  • 2.

    Science and Technology on Scramjet Laboratory of Hypervelocity Aerodynamics Institute, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China

Funds: 

NSFC 91641205

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  • Author Bio:

    Liu Richao(1986-), male, born in Qingtian Zhejiang province, doctoral candidate.Engaged in combustion and flow in aero-engine research.Address:Xinduhui Ⅱ-806, Beijiao town, Shunde district, Foshan City, Guangdong Province (528311).E-mail:lrc19860517@sina.cn

  • Corresponding author:

    Liu Richao, E-mail: lrc19860517@sina.cn

  • Received Date: July 04, 2017
  • Revised Date: September 25, 2017
    Graphical Abstract
    • Abstract
  • Using the particle field pulsed laser holography imaging technique, the spatial distribution of droplet diameter in an aeroengine combustor is measured, the atomization process is studied, and the spatial distribution of droplets diameter in the combustor is obtained too. The numerical sprays models of the primary and secondary atomization are established, and a numerical software for the three-dimensional two-phase combustion in the aeroengine combustor is developed. Based on the LISA atomization model and KH-RT breakup model, the primary atomization process and secondary atomization process in the combustor are simulated numerically, obtaining the distribution of fuel spray droplets in the combustor. The simulation results are compared with experiments. The result indicate that the atomization models developed in this work can properly simulate the whole process of spray atomization under the conditions of high temperature, high pressure and strong swirling in aeroengine combustors.
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    • References (17)
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