NDLI: A Hybrid Method for Estimating Natural Lighting Potential in Buildings

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Kissock, Kelly
Copyright Year	2004
Abstract	This paper describes data and algorithms to estimate typical average interior illuminance from daylighting using a hybrid of Hay, Davies, Klucher, Reindl (HDKR) method for calculating total solar radiation on a tilted surface and the Illuminating Engineering Society (IES) Lumen Method for estimating interior illuminance from daylighting. This hybrid algorithm, in conjunction with typical meteorological data, directly accounts for shading and typical local cloud cover effects on an hour-by-hour basis, which is difficult to do using the IES sky-cover or sky-ratio methods. Several experiments show reasonable agreement between measured and calculated results. Case study examples demonstrate of use of the method, when incorporated into software, to quickly analyze daylighting potential in industrial facilities, and the use of this information to develop specific recommendations for cost-effectively reducing lighting energy use in industrial facilities by improving the utilization of natural lighting.
Sponsorship	Solar Energy Division
Starting Page	145
Ending Page	155
Page Count	11
File Format	PDF
ISBN	0791837475
DOI	10.1115/ISEC2004-65168
Volume Number	Solar Energy
Conference Proceedings	ASME 2004 International Solar Energy Conference
Language	English
Publisher Date	2004-07-11
Publisher Place	Portland, Oregon, USA
Access Restriction	Subscribed
Subject Keyword	Energy consumption Algorithms Daylighting Computer software Structures Brightness (photometry) Shades and shadows Solar radiation Meteorology
Content Type	Text
Resource Type	Article

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