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Thermal Absorption on Solar Energy Collection in Solid Structure

[+] Author Affiliations
Yong Huang, Qing Gao, Yan Liu

Jilin University, Changchun, China

Y. Y. Yan

University of Nottingham, Nottingham, UK

Paper No. IMECE2010-40043, pp. 1195-1201; 7 pages
doi:10.1115/IMECE2010-40043
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4429-8
  • Copyright © 2010 by ASME

abstract

The application of seasonal solar energy usually needs a convenient thermal collection system attached to the engineering. The study of solar energy collection in solid structure was to explore available methods and assess to the possibility of renewable energy generation being exploited within the highway network. The solid structure, like road, building wall and envelop as solar collector has been being considered to be an effective way using renewable energy. This paper focused on the characteristics of temperature in four structures, such as asphalt, red brick, composite cement and concrete road slab under the solar radiation. Furthermore, the collecting heat based on a hydronic system was investigated experimentally. As to four structure slabs, their temperature differences of absorbing solar radiation varies greatly. The asphalt slab gets the highest temperature and the weakest reflection among them. Comparing others, the asphalt slab is higher by 8.1%, 14.9% and 16.4% respectively than brick, composite cement and concrete. The reflection intensity growth ratio was defined and it can denote the growth potential for absorbing radiation from the solid slab surface. From experiments, it is clear that a suitable selection of road materials can produce a great effect to improve thermal absorption, conduction and penetration in the solid slab.

Copyright © 2010 by ASME

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