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Heat and mass transfer
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Numerical and experimental analyses were performed for a modified air gap distillation membrane that combines the low conductive heat loss of an air gap membrane for distillation with the reduced mass transfer resistance of a direct contact membrane. Instead of a stagnant film o ...
Desalination 181 (2005)
Effect of size and material of a semi-cylindrical condensing cover on heat and mass transfer for distillation
... distillate depends mainly on operating temperature, shape and material of the condensing cover. Further, it is important to study the behaviour of heat and mass transfer relations as a function of operating temperature, shape and material. For the present study two sizes of semi-cylindrica ...
Desalination 166 (2004)
Comparison of internal heat transfer coefficients in passive solar stills by different thermal models: An experimental validation
In this paper, an attempt has been made to evaluate the internal heat transfer coefficient of single and double slope passive solar stills in summer as well as winter climatic conditions for three different water... still is better (499.41 l/m2) as compared with a double slope solar still (464.68 l/m2). Keywords: Distillation; Purification of water; Heat and mass transfer *Corresponding author. 0011-9164/09/$– See front matter © 2009 Elsevier B.V. All rights reserve ...
Desalination 247 (2009)
In order to deepen the understanding of the permeate characteristics of membrane distillation considering heat and mass transfers and concentration polarisation, a fully predictive mathematical model was developed. The first part that is devoted to th ...
Desalination 152 (2002)
Experimental and theoretical study of a humidification– dehumidification water desalination system using solar energy
... and the exit of the solar collector, the evaporator and the condenser. In the second part, a general mathematical model including the mechanism of heat and mass transfer in the various components of the present desalination system was developed. The theoretical results show that there exists a ...
Desalination 168 (2004)