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Parametric analysis of energy harvesting pavements operated by air convection

Chiarelli, Andrea; Dawson, Andrew; Garcia, Alvaro

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Authors

Andrea Chiarelli

Andrew Dawson

Alvaro Garcia



Abstract

In this paper, an energy harvesting pavement prototype using air as the operating fluid is described and analysed. The prototype harvests the thermal energy available in the pavement through pipes embedded in its structure, where air flows thanks to natural convection. The air is able to exit the system through an updraft chimney. A parametric analysis of the controllable parameters of interest is performed in this work in order to evaluate the variation in the performance of the energy harvesting prototype in different experimental setups.
This study shows that there exists a maximum value for the air speed in each configuration and that the energy harvesting efficiency depends on the height and the diameter of the chimney. Moreover, there is a minimum value of the chimney diameter that does not allow air movement and makes the whole system behave as if no pipes were embedded in the pavement structure.

Journal Article Type Article
Acceptance Date May 27, 2015
Online Publication Date Jun 11, 2015
Publication Date 2015
Deposit Date Jul 8, 2016
Publicly Available Date Jul 8, 2016
Journal Applied Energy
Print ISSN 0306-2619
Electronic ISSN 0306-2619
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 154
Pages 951-958
DOI https://doi.org/10.1016/j.apenergy.2015.05.093
Keywords Air; Energy harvesting; Asphalt pavement; Optimization; Solar energy
Public URL https://nottingham-repository.worktribe.com/output/761136
Publisher URL https://www.scopus.com/inward/record.uri?eid=2-s2.0-84930958410&doi=10.1016%2fj.apenergy.2015.05.093&partnerID=40&md5=39c31e6d361f413615a67e9a4c8acd03

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