Experimental Study on Influence of High-Borosilicate Glass Transmittance on Solar Cooling Tube Thermal Performances

Abstract:

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The experiment to test the solar radiation intensity through borosilicate glass tubes with a variety of different radius of curvatures and different qualities are taken on condition that the solar radiation intensity is from 23 W/㎡to1022W/㎡. When the diameter increasing to 65mm from 58mm, the single high-borosilicate glass tube’s transmittance changes to 93.2% from 93.5% and double’s transmittance changes to 88.2% from 90.1% .When high-borosilicate glass tube’s wall thickness is uniform and non-uniform, the transmittance is nearly the same. We can decrease the sleeve’s diameter to 58mm and the of evacuated solar collector outer tube’s diameter to improve the thermal performance of the cooling tube.

Info:

Periodical:

Advanced Materials Research (Volumes 225-226)

Edited by:

Helen Zhang, Gang Shen and David Jin

Pages:

324-327

DOI:

10.4028/www.scientific.net/AMR.225-226.324

Citation:

F. Chen and H. Z. Zhao, "Experimental Study on Influence of High-Borosilicate Glass Transmittance on Solar Cooling Tube Thermal Performances", Advanced Materials Research, Vols. 225-226, pp. 324-327, 2011

Online since:

April 2011

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Price:

$35.00

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