Raytracing simulation for predicting light pipe transmittance
Dutton, S. and Shao, L. (2007) Raytracing simulation for predicting light pipe transmittance. International Journal of Low Carbon Technologies, 2 (4). pp. 339-358. ISSN 1748-1325
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To link to this article DOI: 10.1093/ijlct/2.4.339
Daylighting systems can offer energy savings primarily by reducing electric lighting usage. Accurate predictive models of daylighting system performances are crucial for effective design and implementation of this renewable energy technology. A comparative study of predictive methods was performed and the use of a commercial raytracing software program was validated as a method of predicting light pipe performance. Raytracing simulation was shown to more accurately predict transmission effi ciency than existing analytical methods.
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