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The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK
Peter Brabham,
Manju Manju,
Hywel Thomas
,
Gareth Farr,
Robert Francis,
Ramsha Sahid,
Sivachidambaram Sadasivam
Quarterly Journal of Engineering Geology and Hydrogeology, Volume: 53, Issue: 1, Pages: 145 - 158
Swansea University Author:
Hywel Thomas
-
PDF | Accepted Manuscript
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DOI (Published version): 10.1144/qjegh2018-213
Abstract
The feasibility of recovering heat energy from mine water contained within an abandoned coal mine in South Wales is assessed for a proposed district heating scheme. The study area is the village of Caerau, in the Upper Llynfi Valley, Bridgend County Borough, South Wales, UK, comprising around 750 re...
Published in: | Quarterly Journal of Engineering Geology and Hydrogeology |
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ISSN: | 1470-9236 2041-4803 |
Published: |
Geological Society of London
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa52885 |
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2020-11-20T09:49:07.0156583 v2 52885 2019-11-26 The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK 08ebc76b093f3e17fed29281f5cb637e 0000-0002-3951-0409 Hywel Thomas Hywel Thomas true false 2019-11-26 CIVL The feasibility of recovering heat energy from mine water contained within an abandoned coal mine in South Wales is assessed for a proposed district heating scheme. The study area is the village of Caerau, in the Upper Llynfi Valley, Bridgend County Borough, South Wales, UK, comprising around 750 residential houses, a primary school and 17 commercial properties. This paper describes: an archival geological and mining desk study focussed on Caerau colliery, consideration of regional mine linkages, GIS techniques used to create a 3D initial conceptual geological mine model of Caerau workings, permitting and licencing requirements, community engagement activities undertaken and the findings of a single exploratory borehole. The borehole intersected a void space in flooded mine workings around the horizon of the Six Foot seam at a depth of 224 m below ground level, as predicted by the conceptual mine model. The rest water level within the borehole lies at 92m below ground level and the measured in situ temperature of the mine water at the base of the borehole was 20.3 °C. An unexpectedly high and sustained geothermal gradient of approximately 53 °C/km was calculated from repeated measured temperature profiles. Journal Article Quarterly Journal of Engineering Geology and Hydrogeology 53 1 145 158 Geological Society of London 1470-9236 2041-4803 1 2 2020 2020-02-01 10.1144/qjegh2018-213 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-11-20T09:49:07.0156583 2019-11-26T11:07:27.6890032 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Peter Brabham 1 Manju Manju 2 Hywel Thomas 0000-0002-3951-0409 3 Gareth Farr 4 Robert Francis 5 Ramsha Sahid 6 Sivachidambaram Sadasivam 7 52885__16019__799b96a9bc834aee8ff120e1634279c8.pdf brabham2019(2).pdf 2019-12-03T10:24:27.3619400 Output 4997141 application/pdf Accepted Manuscript true 2020-11-05T00:00:00.0000000 false |
title |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
spellingShingle |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK Hywel Thomas |
title_short |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
title_full |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
title_fullStr |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
title_full_unstemmed |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
title_sort |
The potential use of mine water for a district heating scheme at Caerau, Upper Llynfi valley, South Wales, UK |
author_id_str_mv |
08ebc76b093f3e17fed29281f5cb637e |
author_id_fullname_str_mv |
08ebc76b093f3e17fed29281f5cb637e_***_Hywel Thomas |
author |
Hywel Thomas |
author2 |
Peter Brabham Manju Manju Hywel Thomas Gareth Farr Robert Francis Ramsha Sahid Sivachidambaram Sadasivam |
format |
Journal article |
container_title |
Quarterly Journal of Engineering Geology and Hydrogeology |
container_volume |
53 |
container_issue |
1 |
container_start_page |
145 |
publishDate |
2020 |
institution |
Swansea University |
issn |
1470-9236 2041-4803 |
doi_str_mv |
10.1144/qjegh2018-213 |
publisher |
Geological Society of London |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering |
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description |
The feasibility of recovering heat energy from mine water contained within an abandoned coal mine in South Wales is assessed for a proposed district heating scheme. The study area is the village of Caerau, in the Upper Llynfi Valley, Bridgend County Borough, South Wales, UK, comprising around 750 residential houses, a primary school and 17 commercial properties. This paper describes: an archival geological and mining desk study focussed on Caerau colliery, consideration of regional mine linkages, GIS techniques used to create a 3D initial conceptual geological mine model of Caerau workings, permitting and licencing requirements, community engagement activities undertaken and the findings of a single exploratory borehole. The borehole intersected a void space in flooded mine workings around the horizon of the Six Foot seam at a depth of 224 m below ground level, as predicted by the conceptual mine model. The rest water level within the borehole lies at 92m below ground level and the measured in situ temperature of the mine water at the base of the borehole was 20.3 °C. An unexpectedly high and sustained geothermal gradient of approximately 53 °C/km was calculated from repeated measured temperature profiles. |
published_date |
2020-02-01T04:05:31Z |
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11.024221 |