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Energy and the Environment, 1999

ISSN:
1-56700-127-0 (Print)

MATHEMATICAL MODELING OF SALT GRADIENT SOLAR POND AS SOLAR ENERGY STORAGE MEDIUM

H. Kurt
Faculty of Technical Education, Z. Karaelmas University, Karabuk 78200, Turkey

A.K. Binark
Faculty of Technical Education, Marmara University, Goztepe-lstanbul, Turkey

F. Halici
University of Sakarya, Faculty of Engineering, Esentepe Kampusii, Adapazari, Turkey

Abstract

Solar ponds both collect and store solar radiation into sensible heat in the same medium. In this study, salt gradient solar pond was constructed for making an experimental work at the Istanbul Technical University and a one-dimensional transient mathematical model was developed and presented. It is based on unsteady state heat conduction model with an internal heat generation. Energy balance equations for UCZ, NCZ and LCZ were written in terms of differential equations. These are solved numerically to predict the thermal performance of the pond. The comparison of temperature profiles showed that they are qualitatively in good agreement with the physics of the solar ponds.