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Energies 2014, 7(4), 2362-2376; doi:10.3390/en7042362
Article

Window Material Daylighting Performance Assessment Algorithm: Comparing Radiosity and Split-Flux Methods

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Received: 2 March 2014; in revised form: 2 April 2014 / Accepted: 8 April 2014 / Published: 14 April 2014
(This article belongs to the Special Issue Energy Efficient Building Design and Operation 2014)
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Abstract: Windows are the primary aperture to introduce solar radiation to the interior space of a building. This experiment explores the use of EnergyPlus software for analyzing the illuminance level on the floor of a room with reference to its distance from the window. For this experiment, a double clear glass window has been used. The preliminary modelling in EnergyPlus showed a consistent result with the experimentally monitored data in real time. EnergyPlus has two mainly used daylighting algorithms: DElight method employing radiosity technique and Detailed method employing split-flux technique. Further analysis for illuminance using DElight and Detailed methods showed significant difference in the results. Finally, we compared the algorithms of the two analysis methods in EnergyPlus.
Keywords: EnergyPlus; DElight; Detailed; illuminance; radiosity; split-flux EnergyPlus; DElight; Detailed; illuminance; radiosity; split-flux
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Yoon, Y.B.; Jeong, W.R.; Lee, K.H. Window Material Daylighting Performance Assessment Algorithm: Comparing Radiosity and Split-Flux Methods. Energies 2014, 7, 2362-2376.

AMA Style

Yoon YB, Jeong WR, Lee KH. Window Material Daylighting Performance Assessment Algorithm: Comparing Radiosity and Split-Flux Methods. Energies. 2014; 7(4):2362-2376.

Chicago/Turabian Style

Yoon, Yeo B.; Jeong, Woo R.; Lee, Kwang H. 2014. "Window Material Daylighting Performance Assessment Algorithm: Comparing Radiosity and Split-Flux Methods." Energies 7, no. 4: 2362-2376.


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