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Effect of Overhang Shade on the Solar Heat Gain through Window in Composite Climatic in Mid-Western India

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Title Effect of Overhang Shade on the Solar Heat Gain through Window in Composite Climatic in Mid-Western India
 
Creator Joshi, Mahendra
Buddhi, D
Singh, Ramkishore
 
Subject ASHRAE standard
Energy-efficient building
Fenestration shading
Sustainable building designs
Thermal load
 
Description 1098-1106
Solar heat gain (SHG) through fenestration (window) dominates towards cooling demands in buildings and eventually
increases electricity consumption. Integration of fixed shading devices (i.e. overhang) can reduce the solar heat gain through
and overall energy consumption. In this manuscript, solar heat gain factor (SHGF) has been assessed for different designs of
overhang. ASHRAE method of fenestration design and heat balance has been used for the estimation of the SHGF and solar
gain in the buildings of different designs of overhangs. Further, the SHGF and solar gain have been used to determine
accurate heating and cooling loads.The values have been estimated for the peak winter and summer months of December
and June for Indore city, India. Significant reduction in heating and cooling loads in the buildings having windows with
overhangs has been estimated in winter and summer seasons. Integration of overhang lowers the energy demand by over
50% and 30% in rooms having windows in south and east/west walls respectively. The results of the this study would be
extremely beneficial for designing the fixed type shading device in buildings in order to controlthe heating and cooling loads
and in achieving the sustainable development goals (SDGs 11, 12 & 13).
 
Date 2022-10-28T08:32:05Z
2022-10-28T08:32:05Z
2022-10
 
Type Article
 
Identifier 0022-4456 (Print); 0975-1084 (Online)
http://nopr.niscpr.res.in/handle/123456789/60741
https://doi.org/10.56042/jsir.v81i10.63075
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source JSIR Vol.81(10) [Oct 2022]