Feasibility study for a large thermal storage and heat pumping installation

M. R. Wilson

Applied Energy, 1980, vol. 6, issue 3, 159-169

Abstract: Calculations are described relating to a large thermal storage/heat pump project based at a quarry in Aberdeen, Scotland. Storage on an annual basis is shown to permit a reduction of nearly 50 per cent in heat pump capacity while overall performance is improved because heat is mostly drawn from the surroundings at summer temperatures. Heat losses from the quarry are low due to its very large size and favourable surface-volume ratio. Direct internal combustion (IC) engine drive allows exhaust heat recovery with reduction of heat pump delivery temperatures. Solar energy collection as an addition to the scheme was found not to be economic.

Date: 1980
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