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Journal of Projectiles, Rockets, Missiles and Guidance >

2020 , Vol. 40 >Issue 5: 81 - 86

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.05.020

Numerical Simulation Study on the Effect of Spray Angle on High Temperature Gas Cooling Effect

  • XIONG Yun ,
  • ZUO Hongxing ,
  • LI Guangwu ,
  • LI Chao
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  • Xi’an Aerospace Propulsion Testing Technology Research Institute, Xi’an 710025, China

Received date: 2019-12-09

  Online published: 2025-05-30

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Abstract

In the ground firing test of solid rocket engine,concealment and thermal pollution problems caused by hot gas discharged from Laval nozzle.In order to prevent tests from being detected,it is suggested that water spray can be used to reduce gas temperature.In this paper, the flow field simulation of solid rocket engine ground firing test is carried out by using SST K-Omega, DPM, component transport and other models. The flow field contours with and without spraying water and the influence of various angles on outlet temperature were compared and analyzed. The results show that spray cooling can effectively reduce the outlet temperature. Among the several water spray angles discussed, the vertical angle has the best cooling effect.

Key words： solid rocket engine; water spray cooling; spray angle; high temperature gas; CFD; hidden test

Cite this article

XIONG Yun , ZUO Hongxing , LI Guangwu , LI Chao . Numerical Simulation Study on the Effect of Spray Angle on High Temperature Gas Cooling Effect[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020 , 40(5) : 81 -86 . DOI: 10.15892/j.cnki.djzdxb.2020.05.020

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