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Lighting energy conservation: simple analytic methods with time-lapse photography

From National Research Council Canada

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  1. National Research Council of Canada
FormatText, Article
SubjectEnergy efficiency; lighting; lighting technology; energy conservation; photography; time study; data reduction sampling procedure; wasted light energy computation formula
Abstract
Although time-lapse photography offers great potential for providing information on lighting energy conservation, it has been undeveloped because the quantity and detail of the data demand a great deal of time for analysis. Two simple analytic procedures are described to make time-lapse photography more useful: (1) a sampling procedure for data reduction, and (2) a formula for computing wasted lighting energy based upon occupancy and light usage. It is argued that poor utilisation of lighting energy can be addressed with these procedures.
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  • Lighting Research and Technology 15, no. 2 (1983): 77–82.
LanguageEnglish
Peer reviewedYes
IdentifierDBR-P-1128
NRC numberNRCC 22608
NRC-IRC-4374
NPARC number20358874
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Record identifier516e7d8e-1ee8-45c9-98a5-dbdb3438e192
Record created2012-07-20
Record modified2024-03-22
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