Affiliation:
1. Department of Mechanical Engineering Faculty of Engineering,University of Lagos,Akoka, Lagos, Nigeriae-mail: daader@gmail.com
Abstract
Abstract
The paper reviews the present understanding of the analysis of the heat and mass transfer processes in single-slope solar stills. By using the results of published experiments, it is proposed that the heat and mass transfer phenomena from the basin water to the glass cover are coupled. This coupling makes it possible to derive the dependence of the heat transfer coefficient for condensation on the inclination of the glass cover of the still. The derived relation, i.e., Nucon = 0.738 (Grcon*Prcon*sin β/Ja*)¼ A−1 where A is the aspect ratio, has been demonstrated to be an important expression for predicting the heat transfer coefficient for condensation hcon necessary for a more realistic evaluation of the overall efficiency of single-slope solar still of a given cover angle β.
Subject
Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment
Reference30 articles.
1. Energy Balance in Solar Distillers;Lof;A.I.Ch.E. J.,1961
2. Solar Water Distillation, the Roof Type Still and Multiple Effect Diffusion Still;Dunkle,1961
3. Heat and Mass Transfer Processes in Solar Stills of Hotbox Type;Baum;Solar Energy,1964
4. A Rational Basis for the Engineering Development of a Solar Still;Morse;Solar Energy,1968