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Infrared study of dew harvesting cacti spines

Tegwen Malik Orcid Logo, Tegwen Malik, Robert Marc Clement, David Gethin, Will Krawszik, Andrew R Parker, Roderick Thomas Orcid Logo, Marc Clement

Thermology International, Volume: 25, Issue: 1, Pages: 7 - 13

Swansea University Authors: Tegwen Malik Orcid Logo, Roderick Thomas Orcid Logo, Marc Clement

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Abstract

The focus of this study was to gain further understanding on the thermodynamic behaviour of the dew and non-dew harvesting spines of cacti. Four species of cacti were chosen, three that were known to harvest dew on their spines and one that does not. The temperature gradient of the spines of the mos...

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Published in: Thermology International
ISSN: 1560-604x
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa40808
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spelling 2023-04-19T10:50:52.9571625 v2 40808 2018-06-25 Infrared study of dew harvesting cacti spines d7e74f3c3979dff2baba1a16fe50e24a 0000-0003-4315-5726 Tegwen Malik Tegwen Malik true false 891091891b6eee412668ae216f713312 0000-0002-2792-1251 Roderick Thomas Roderick Thomas true false 00d270d085497f5ec1a366f25a730302 Marc Clement Marc Clement true false 2018-06-25 BBU The focus of this study was to gain further understanding on the thermodynamic behaviour of the dew and non-dew harvesting spines of cacti. Four species of cacti were chosen, three that were known to harvest dew on their spines and one that does not. The temperature gradient of the spines of the most efficient dew harvesting species, Copiapoa cinerea var. haseltoniana, and the IR emissivity of the cactus spines for all four species were determined. When placed outdoors, around the hours of sunrise and sunset, the tips of the spines of C. cinerea appeared constantly warmer than their base or mid-sections, even during the cooling hours of sunset. Ferocactus wislizenii, which does not harvest dew on its spines, was found to have the lowest spine emissivity of 0.89 ± 0.009.et. Journal Article Thermology International 25 1 7 13 1560-604x Thermography, Water Harvesters, Dew, Cacti, Emissivity, Infra-red 1 2 2015 2015-02-01 http://www.uhlen.at/thermology-international/index.php?target=2501.php COLLEGE NANME Business COLLEGE CODE BBU Swansea University 2023-04-19T10:50:52.9571625 2018-06-25T11:34:53.7809866 Faculty of Humanities and Social Sciences School of Management - Business Management Tegwen Malik 0000-0003-4315-5726 1 Tegwen Malik 2 Robert Marc Clement 3 David Gethin 4 Will Krawszik 5 Andrew R Parker 6 Roderick Thomas 0000-0002-2792-1251 7 Marc Clement 8 0040808-30052019100722.pdf MaliketalInfared.pdf 2019-05-30T10:07:22.6400000 Output 1336226 application/pdf Accepted Manuscript true 2019-05-30T00:00:00.0000000 true eng
title Infrared study of dew harvesting cacti spines
spellingShingle Infrared study of dew harvesting cacti spines
Tegwen Malik
Roderick Thomas
Marc Clement
title_short Infrared study of dew harvesting cacti spines
title_full Infrared study of dew harvesting cacti spines
title_fullStr Infrared study of dew harvesting cacti spines
title_full_unstemmed Infrared study of dew harvesting cacti spines
title_sort Infrared study of dew harvesting cacti spines
author_id_str_mv d7e74f3c3979dff2baba1a16fe50e24a
891091891b6eee412668ae216f713312
00d270d085497f5ec1a366f25a730302
author_id_fullname_str_mv d7e74f3c3979dff2baba1a16fe50e24a_***_Tegwen Malik
891091891b6eee412668ae216f713312_***_Roderick Thomas
00d270d085497f5ec1a366f25a730302_***_Marc Clement
author Tegwen Malik
Roderick Thomas
Marc Clement
author2 Tegwen Malik
Tegwen Malik
Robert Marc Clement
David Gethin
Will Krawszik
Andrew R Parker
Roderick Thomas
Marc Clement
format Journal article
container_title Thermology International
container_volume 25
container_issue 1
container_start_page 7
publishDate 2015
institution Swansea University
issn 1560-604x
college_str Faculty of Humanities and Social Sciences
hierarchytype
hierarchy_top_id facultyofhumanitiesandsocialsciences
hierarchy_top_title Faculty of Humanities and Social Sciences
hierarchy_parent_id facultyofhumanitiesandsocialsciences
hierarchy_parent_title Faculty of Humanities and Social Sciences
department_str School of Management - Business Management{{{_:::_}}}Faculty of Humanities and Social Sciences{{{_:::_}}}School of Management - Business Management
url http://www.uhlen.at/thermology-international/index.php?target=2501.php
document_store_str 1
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description The focus of this study was to gain further understanding on the thermodynamic behaviour of the dew and non-dew harvesting spines of cacti. Four species of cacti were chosen, three that were known to harvest dew on their spines and one that does not. The temperature gradient of the spines of the most efficient dew harvesting species, Copiapoa cinerea var. haseltoniana, and the IR emissivity of the cactus spines for all four species were determined. When placed outdoors, around the hours of sunrise and sunset, the tips of the spines of C. cinerea appeared constantly warmer than their base or mid-sections, even during the cooling hours of sunset. Ferocactus wislizenii, which does not harvest dew on its spines, was found to have the lowest spine emissivity of 0.89 ± 0.009.et.
published_date 2015-02-01T03:51:57Z
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score 11.016235

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