vapor velocity

The temporal and spatial evolution of simulated velocity and cloud microphysics fields show that the coupling of vertical velocity and vapor distribution is a criteria for vapor condensation and freezing that results in snow.

模拟的运动场和云微物理量场的时空演变表明，垂直运动场与水汽场的耦合是水汽凝结和冻结成雪的运动学条件；

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Influence of water vapor content and space velocity on the two reactions was also investigated.

此外还考察了水蒸汽含量以及空速的变化对反应的影响。

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Smaller vapor Knudsen number results in higher velocity and lower relative vapor temperature.

蒸气的Kn越小，蒸气的速度越高，相对温度越低；

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The droplet trajectories, gas velocity and temperature distribution, mass fraction of the fuel vapor were obtained from the simulation in three different conditions.

计算结果给出了圆管内离心喷嘴逆喷的三种工况下的液滴运动轨迹，气相速度场、温度场、蒸汽的质量分数分布等。

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With this model, the temperature field, liquid-vapor front and velocity field could be easily simulated, which reveals the physical operational mechanisms of the porous wick.

建立了毛细芯内二维数值模型，该模型包括耦合的热力学和动力学模型。利用该模型可以方便得到毛细芯内的温度场，速度场，可以较精确地跟踪汽液界面的位置。

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