The heat transfer performance of horizontal tube bundles in large falling film evaporators

作者: Li Yang , Wen Wang

DOI: 10.1016/J.IJREFRIG.2010.07.011

关键词: RefrigerantThermodynamicsRefrigerationTube (fluid conveyance)DistributorHeat transferHeat exchangerEvaporatorMaterials scienceMechanicsVolumetric flow rate

摘要: The performance of the horizontal heat transfer tube bundles in falling film evaporators large compression refrigeration systems was investigated with numerical simulation this paper. Four types tubes, including plain and enhanced surface tubes Turbo-B, Turbo-BII Turbo-EHP, were employed simulation. Some factors, such as kind, pass arrangement, dry patch area on surface, liquid refrigerant flow rate, number flooded analyzed based simulated results. In study, maldistribution caused by distributor apparatus discussed, which severely affects according to calculated results verified experiment. These discussions can be used guide design under realistic conditions.

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