Theoretical and experimental studies on a solid containing water droplet

Sadafi, M. H., Jahn, I., Stilgoe, A. B. and Hooman, K. (2014) Theoretical and experimental studies on a solid containing water droplet. International Journal of Heat and Mass Transfer, 78 25-33. doi:10.1016/j.ijheatmasstransfer.2014.06.064


Author Sadafi, M. H.
Jahn, I.
Stilgoe, A. B.
Hooman, K.
Title Theoretical and experimental studies on a solid containing water droplet
Journal name International Journal of Heat and Mass Transfer   Check publisher's open access policy
ISSN 0017-9310
1879-2189
Publication date 2014
Sub-type Article (original research)
DOI 10.1016/j.ijheatmasstransfer.2014.06.064
Open Access Status
Volume 78
Start page 25
End page 33
Total pages 9
Place of publication Pergamon Press
Publisher Kidlington, Oxford, United Kingdom
Collection year 2015
Language eng
Abstract Heat and mass transfer to and from a single solution droplet is studied in this work. A new theoretical model to predict the evaporation behaviour of solid containing water droplets is presented. The model, implemented in MATLAB, is used to predict the process of droplet evaporation with prediction results successfully validated against data from the literature. Also, an experimental study was performed to study the evaporation of a single droplet containing NaCl and water. To investigate the influence of concentration, tests were performed with droplet having initial radiuses of approximately 0.5 mm and initial mass concentrations of 3% and 5%. Results obtained from the developed model were found to be in good agreement with our experimental data. Finally, it was shown that the current model, allowing for a smooth transition from surface evaporation to crystallisation, is able to simulate the process more accurately compared to existing models in the literature which lead to a, less realistic, sharp transition.
Keyword Dissolved solids
Glass filament method
Single droplet
Spray cooling
Water evaporation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
School of Mechanical & Mining Engineering Publications
Official 2015 Collection
 
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Citation counts: TR Web of Science Citation Count  Cited 5 times in Thomson Reuters Web of Science Article | Citations
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