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Analysis of ground-source heat pumps in north-of-England homes
Ali, Alexis Mohamed, Mostafa H.A. Abdel-Aal, Mohamad Schellart, A. Tait, Simon J.
Ali, Alexis
Mohamed, Mostafa H.A.
Abdel-Aal, Mohamad
Schellart, A.
Tait, Simon J.
Publication Date
2016
End of Embargo
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(c) 2016 Thomas Telford. Full-text reproduced in accordance with the publisher's self-archiving policy.
Peer-Reviewed
Yes
Open Access status
openAccess
Accepted for publication
2016-04-22
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Department
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Abstract
The performance of Ground Source Heat Pump (GSHP) systems for domestic use is an increasing area of study in the UK. This paper examines the thermal performance of three bespoke shallow horizontal GSHP systems installed in newly built residential houses in the North of England against a control house which was fitted with a standard gas boiler. A total of 350 metres of High Density Polyethylene pipe with an external diameter of 40 mm was used for each house as a heat pump loop. The study investigated (i) the performance of a single loop horizontal Ground Heat Exchanger (GHE) against a double loop GHE and (ii) rainfall effects on heat extraction by comparing a system with an infiltration trench connected to roof drainage against a system without an infiltration trench above the ground loops. Parameters monitored for a full year from October 2013 to September 2014. Using the double GHE has shown an enhanced performance of up to 20% compared with single GHE. The infiltration trench is found to improve performance of the heat pumps; the double loop GHE system with an infiltration trench had a COP 5% higher than that of the double loop GHE system without a trench.
Version
Accepted manuscript
Citation
Ali A, Mohamed M, Abdel-Aal M, Schellart A and Tait S (2016) Analysis of ground-source heat pumps in north-of-England homes. Proceedings of the ICE - Energy. 170(3): 1751-4231.
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Article