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Falling Film Evaporation: State-of-the-Art Review of Recent Work

机译:降膜蒸发:最新研究进展

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摘要

A state-of-the-art review of falling film evaporation on single tubes and tube bundles is presented. Emphasis is placed on recent work and, in particular, on studies on the new alternative refrigerants and ammonia. Both plain and enhanced tubes are addressed in the survey plus the effects of oil on heat transfer. The enhanced tubes provide a very high level of heat trnasfer augmentation for falling film evaporation on horizontal bundles, sharply reducing the requried refrigernat change compared to flooded evaporator designs.
机译:介绍了单管和管束上降膜蒸发的最新技术综述。重点放在最近的工作上,尤其是对新的替代制冷剂和氨的研究。调查中讨论了普通管和增强管,以及油对传热的影响。增强型管为水平束上的降膜蒸发提供了非常高的热增强度,与淹没式蒸发器设计相比,大大减少了所需的制冷剂变化。

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