A solar thermal water pump

K. Sumathy, A. Venkatesh and V. Sriramulu

Applied Energy, 1996, vol. 53, issue 3, 235-243

Abstract: The pump employs pentane as the working substance -- an organic fluid with a low boiling point. A flat-plate solar collector generates vapour and its pressure is adequate to pump water from a well. Provision of a separate tank for storing the vapour under pressure improves the performance of the pump. Experiments prove its feasibility and yield useful performance characteristics.

Date: 1996
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