The direct type of evaporative air cooler uses primary wet surfaces.
直接蒸发式空气冷却器是利用原有的湿表面工作的。
Film sheet is a new type of element to enhance heat transfer in tubular evaporative air cooler.
增膜板是管式蒸发空冷器中的新型强化传热元件。
Evaluation methods for heat exchanger are discussed, especially for indirect evaporative air cooler. The calculation methods of exergy effectiveness and exergy efficiency ratio are researched.
总结了各种换热器性能评价方法，讨论了间接蒸发冷却换热器的(火用)效率分析计算方法。
Results show that the evaluating method based on exergy analysis theory of moist air is more reasonable, and provide the evidence for the design of an indirect evaporative cooler.
结果表明基于湿空气分析理论的评价方法更合理，为间接蒸发冷却器设计提供依据。
According to the theory of indirect evaporative cooler, heat can be taken away through water evaporation by wrapping water absorbent film on the cooling surface of air conditioner condenser.
应用间接蒸发散热的原理，在空调冷凝器表面包覆吸水膜，利用水蒸发带走热量。
The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.
通过计算表明，换热器通道间距、空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；
The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.
通过计算表明，换热器通道间距、空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；
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