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Title: An improved film evaporation correlation for saline water at sub-atmospheric pressures
Authors: Shahzada, M.W.
Ng, K.C. 
Thu, K. 
Myat, A.
Gee, C.W.
Keywords: Desalination
Falling film evaporation
Heat transfer coefficient
Sub-atmospheric Pressure
Issue Date: 2012
Citation: Shahzada, M.W., Ng, K.C., Thu, K., Myat, A., Gee, C.W. (2012). An improved film evaporation correlation for saline water at sub-atmospheric pressures. AIP Conference Proceedings 1440 : 1085-1091. ScholarBank@NUS Repository.
Abstract: This paper presents an investigation of heat transfer correlation in a falling-film evaporator working with saline water at sub-atmospheric pressures. The experiments are conducted at different salinity levels ranging from 15000 to 90000 ppm, and the pressures were maintained between 0.92 to 2.81 kPa (corresponds to saturation temperatures of 5.9 - 23 0C). The effect of salinity, saturation pressures and chilled water temperatures on the heat transfer coefficient are accounted in the modified film evaporation correlations. The results are fitted to the Han & Fletcher's and Chun & Seban's falling-film correlations which are used in desalination industry. We modify the said correlations by adding salinity and saturation temperature corrections with respective indices to give a better agreement to our measured data. © 2012 American Institute of Physics.
Source Title: AIP Conference Proceedings
ISBN: 9780735410329
ISSN: 0094243X
DOI: 10.1063/1.4704324
Appears in Collections:Staff Publications

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