Heat transfer across corrugated sheets and honeycomb transparent insulation

Suehrcke, H., Däldehög, D., Harris, J.A., and Lowe, R.W. (2004) Heat transfer across corrugated sheets and honeycomb transparent insulation. Solar Energy, 76. pp. 351-358.

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This paper describes the design of a simple guarded hot-plate apparatus for the measurement of heat transfer across transparent insulation. The apparatus is used to measure the heat transfer coefficient across a transparent corrugated (zigzag) sheet and honeycomb transparent insulation. The sheet and honeycomb are made from cellulose acetate film, which has high absorptance for long-wave thermal radiation and high transmittance for short-wave solar radiation. The corrugated sheet performs well, however, honeycomb transparent insulation of the same height and material appears to be superior due to greater thermal radiation blockage and better solar transmission characteristics. A numerical model for a honeycomb is developed which shows good agreement with the experimentally measured results.

Item ID: 7132
Item Type: Article (Research - C1)
ISSN: 0038-092X
Keywords: guarded hote-plate apparatus; honeycomb; thermal radiation; transparent insulation
Date Deposited: 16 Mar 2010 01:24
FoR Codes: 09 ENGINEERING > 0913 Mechanical Engineering > 091399 Mechanical Engineering not elsewhere classified @ 100%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850506 Solar-Thermal Energy @ 100%
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