Volume 33 Issue 11
Nov.  2018
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Numerical simulation of light-craft effects onlaser supported donation wave with gas-liquid two phase propellant[J]. Journal of Aerospace Power, 2018, 33(11): 2669-2677. doi: 10.13224/j.cnki.jasp.2018.11.013
Citation: Numerical simulation of light-craft effects onlaser supported donation wave with gas-liquid two phase propellant[J]. Journal of Aerospace Power, 2018, 33(11): 2669-2677. doi: 10.13224/j.cnki.jasp.2018.11.013
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Numerical simulation of light-craft effects onlaser supported donation wave with gas-liquid two phase propellant

doi: 10.13224/j.cnki.jasp.2018.11.013
  • Received Date: 2017-09-13
  • Publish Date: 2018-11-28
    Abstract
  • The numerical model of impulse laser supported donation wave with gas-liquid two phase propellant was established to analyze the evolution process of the donation wave and flow field, based on the actual light-craft boundary condition. The characteristics and evolution form of temperature, pressure, velocity field change were analyzed. The results showed: the development trend of donation wave was basically identical regardless of the craft at the first 30μs. At the end of laser action, the temperature and pressure reached to the maximum in the focal range. While the velocity kept rising to the maximum and then dropped gradually, the maximum temperature was near the focus, maximum stress occurred at the center and then transferred to the front of the wave, and maximum speed occurred on the shock wave. When combined with craft, the shock wave produced thrust coupled with the wall. The maximum temperature center shifted outward because of the shock wave reflection. The pressure and speed reached the maximum at two sides of the interface where the shock wave edge got to the wall, and then decreased toward the inside gradually.

     

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