虽然制冷系统会降低空气的湿度(因为凝结作用会带走部分水蒸气)，但是蒸汽冷却器却能够增加空气湿度。
Whereas refrigerative systems reduce the humidity of air (because some water vapour condenses and is drained away), evaporative coolers increase humidity.
在一定的进气状态下，为达到要求的出气干度，对给定的空气流量进行了设计计算，以得到合适的传热面积与制冷系统的匹配。
At a given air inlet condition and airflow rate, meanwhile, dryness of air outlet was required, proper heat-transfer area and matching refrigeration system are obtained through calculating.
讨论了高速电机驱动的新型空气循环制冷系统的工作原理。
The working principle of new air cycle refrigeration system driven by high_speed motor is discussed.
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