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Glass-azimuth modification to reform direct solar heat gain [An article from: Building and Environment]
Book Details
Author(s)M.A. Saleh, S. Kaseb, M.F. El-Refaie
PublisherElsevier
ISBN / ASINB000RQYXC8
ISBN-13978B000RQYXC2
AvailabilityAvailable for download now
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Building and Environment, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
A means of reforming the solar heat gain, and hence, energy conservation in air-conditioning systems is suggested and studied. The main idea is to control the solar gain by horizontal rotation of glass windowpanes, i.e. modifying the glass-azimuth irrespective of the original orientation of the building wall. The influence of the rotation angle, magnitude and direction, on the instantaneous, daily and seasonal solar heat gain is investigated in detail. A computer program is coded to carry out the extensive computations. This program is prepared in a general and versatile form, in the sense that it can be used at any location and time, for any wall orientation and any type of glazing characterized by the extinction coefficient, index of refraction, and thickness. The study helps the designer to select an optimum glass rotation angle which increases or decreases the heat gain depending on the objective. There may be two optimum rotation angles, the first results in reducing the air-conditioning system size, while the second angle decreases the energy consumption.
Description:
A means of reforming the solar heat gain, and hence, energy conservation in air-conditioning systems is suggested and studied. The main idea is to control the solar gain by horizontal rotation of glass windowpanes, i.e. modifying the glass-azimuth irrespective of the original orientation of the building wall. The influence of the rotation angle, magnitude and direction, on the instantaneous, daily and seasonal solar heat gain is investigated in detail. A computer program is coded to carry out the extensive computations. This program is prepared in a general and versatile form, in the sense that it can be used at any location and time, for any wall orientation and any type of glazing characterized by the extinction coefficient, index of refraction, and thickness. The study helps the designer to select an optimum glass rotation angle which increases or decreases the heat gain depending on the objective. There may be two optimum rotation angles, the first results in reducing the air-conditioning system size, while the second angle decreases the energy consumption.
