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Journal of Enhanced Heat Transfer
IF: 1.406 5-Year IF: 1.075 SJR: 0.287 SNIP: 0.653 CiteScore™: 1.2

ISSN Print: 1065-5131
ISSN Online: 1563-5074

Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v24.i1-6.350
pages 643-659

A REVIEW ON FALLING FILM EVAPORATION

John R. Thome
Laboratory of Heat and Mass Transfer (LTCM), Ecole Polytechnique Fédérale de Lausanne (EPFL), Station 9, CH-1015 Lausanne, Switzerland

ABSTRACT

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 transfer augmentation for falling film evaporation on horizontal bundles, sharply reducing the required refrigerant charge compared to flooded evaporator designs.


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