Ninikas, K., Hytiris, N., Emmanuel, R., Aaen, B. and Younger, P. L. (2016) Heat recovery from air in underground transport tunnels. Renewable Energy, 96(Pt. A), pp. 843-849. (doi: 10.1016/j.renene.2016.05.015)
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Abstract
The performance of a typical air source heat pump could be increased dramatically by a relatively stable air temperature with a high humidity, even during the peak heating months. In this short communication we show such conditions exist in the underground transport tunnels of the Glasgow Subway system, where we had conducted an annual survey of air flow, air temperature and relative humidity at thirty different points within the subway network. We found relatively stable temperatures and sufficient air movement inside the twin tunnels (average temperature during winter = 15 °C, annual variation = 2.6 °C; average air flow = 16.47 m3/h) indicating higher system efficiency compared to a conventional air source heat pump installation. Potential energy and carbon savings are discussed.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Younger, Professor Paul |
| Authors: | Ninikas, K., Hytiris, N., Emmanuel, R., Aaen, B., and Younger, P. L. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Renewable Energy |
| Publisher: | Elsevier |
| ISSN: | 0960-1481 |
| ISSN (Online): | 1879-0682 |
| Published Online: | 19 May 2016 |
| Copyright Holders: | Copyright © 2016 Elsevier |
| First Published: | First published in Renewable Energy 96(Pt. A):843-849 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher |
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