Three Dimensional Simulation of Grain Burn Back in Solid Rocket Motor Using Level Set Method
Message:
Abstract:
Numerical simulation of grain burn back has been done in three dimensions. For numerical grain burn back analysis, a numerical code based on level set method has been developed and in order to increase accuracy, cut cell method was implemented for elements which capture interfaces. The accuracy of the code was validated by grains which have analytical solutions. It was seen that the code has acceptable accuracy. Then, the results of burn back analysis for some grain configuration were depicted. Also, an internal ballistic code in zero dimensional was generated to predict the pressure inside the motor, and was linked by burn back analysis code. The simulation results were compared with experimental ones and high accuracy was achieved.
Language:
Persian
Published:
Journal of Energetic Materials, Volume:7 Issue:3, 2013
Page:
29
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