Vacuum cooling is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.

真空冷却过程是复杂的相变传热传质过程，该过程涉及到扩散、传热、传质和相变等机理。

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The 5% suspension always shows better cooling performance than water with lower wall temperatures and enhanced heat transfer coefficient within the whole range of mass flow rates.

质量浓度为5%的悬浮液在在整个质量流量范围内总是表现出比水好的冷却性能，它对应的是更低的壁面温度以及更好的传热系数。

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During the coke oven gas cooling in the gas collecting main, there are heat transfer and mass transfer simultaneously.

焦炉煤气在集气管中的冷却过程是传热与传质同时进行的。

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