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Lighting energy saving due to the use of direct sunlight

Yao, R. and Baker, N. (2006) Lighting energy saving due to the use of direct sunlight. Sustainable Built Environment and Construction. pp. 73-78.

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Abstract/Summary

This paper describe a simulation program, which uses Trengenza’s average room illuminance method in conjunction with hourly solar irradiance and luminous efficacy, to predict the potential lighting energy saving for a side-lit room. Two lighting control algorithms of photoelectric switching (on/off) and photoelectric dimming (top-up) have been coded in the program. A simulation for a typical UK office room has been conducted and the results show that energy saving due to the sunlight dependent on the various factors such as orientation, control methods, building depth, glazing area and shading types, etc. This simple tool can be used for estimating the potential lighting energy saving of the windows with various shading devices at the early design stage.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Construction Management and Engineering > Innovative and Sustainable Technologies
ID Code:28094
Additional Information:ISBN 0-903248-03-4

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