At present paper, we deduced the relative velocity distribution of mixed ideal gas molecule. Then we got the average collide frequency and average free distance.
本文导出了混合理想气体中分子相对速度的分布，并由此计算了混合理想气体中分子的碰撞频率和平均自由程。
When the dry wheat and wet wheat were mixed, the velocity of moisture transfering were influenced by temperature and the mixed ratio.
同时，采用着色法探讨了干、湿粮麦混合时水分的变化规律。 结果表明，温度、干湿比对混合麦的水分传递速率有影响。
In this article, the main influencing factors on condensation heat transfer include air flow rate, coolant flow rate, coolant inlet temperature and mixed gas velocity.
在本课题中，影响传热过程的因素主要有空气含量、冷却水流量、冷却水温度及混合气气速。
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