Mold filling characteristics of Al alloy in vacuum lost foam low pressure casting (VLFLPC) under counter gravity condition were examined.
试验研究了反重力浇注条件下，铝合金消失模真空低压铸造的充型流动特性。
Simulation results show that the space gravity condition exerts great influence on the fluidization characters, the particles fluctuation intensity increases with the decrease of gravity especially.
结果表明：空间重力环境是影响稠密气固两相流体动力特性的重要因素，颗粒脉动强度将随着重力条件的减小而增大。
Simulation results show that the space gravity condition exerts great influence on the fluidization characters, the particles fluctuation intensity increases with the decrease of gravity especially.
结果表明：空间重力环境是影响稠密气固两相流体动力特性的重要因素，颗粒脉动强度将随着重力条件的减小而增大。
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