Modelling radiative heat transfer inside a basin type solar still

Journal Article

2014

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Journal Title

Applied Thermal Engineering

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Elsevier

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University of Cape Town

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Abstract
Radiative heat transfer inside a basin type solar still has been investigated using two models with (model 1) and without (model 2) taking into account optical view factors. The coefficient of radiative heat exchange (hr,w-gc) between the water and cover surfaces of a practical solar still was computed using the two models. Simulation results show that model 1 yields lower values of hr,w-gc and the root mean square error than model 2. It is therefore concluded that the accuracy of modelling the performance of a basintype solar still can be improved by incorporating view factors.
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