With the increasing of pressure of gas generator under less injector number and expansion ratio, combustion efficiency increase.
在喷嘴数目较少和扩张比较小时，增加燃气发生器工作压强补燃效率增加。
The simulation results show that the heat transfer of rocket chamber will be enhanced when increasing the aspect ratio, but the pressure drop will increase simultaneously.
计算结果表明：增加通道深宽比对推力室壁面能够起到强化传热的作用，但同时也增加了冷却通道的进出口压差。
With the reducing of pore pressure, the apparent viscosity of post-liquefied sand increased with increasing of strain and decreasing of pore pressure ratio.
随着液化后孔压的降低，砂土的表观粘度随应变的增大而增大，随孔压比的减小而增大。
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