Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/95096
Title: Daylighting simulation of a heritage building by comparing matrix methods and solar models
Authors: Saraiva, Nuno Baía 
Rodrigues, Eugénio 
Gaspar, Adélio Rodrigues 
Costa, José Joaquim da 
Keywords: Lighting modeling; Historic buildings; Climate-based methods; Indoor illuminance; Natural lighting
Issue Date: Aug-2021
Publisher: Elsevier
Project: PTDC/EMS-ENE/3238/2014
POCI-01-0145-FEDER-016760
Serial title, monograph or event: Solar Energy
Volume: 224
Abstract: Lighting simulation is a useful instrument in predicting lighting conditions in buildings. Modelers can use several matrix methods according to the buildings’ characteristics and the objectives of the analysis. However, it is unknown which methods are the most appropriate for lighting analysis of heritage buildings. The Joanina Library located in the University of Coimbra – a World Heritage building – was used to compare different matrix methods (2PH, 3PH, and 5PH) under several solar models (BRL, DISC, Perez, and Reindl) using Radiance-based simulations. On-site measurements (indoor and outdoor) were used to calculate each method’s accuracy under different solar models. The combination of the 2PH method with the DISC solar model presented the highest accuracy with an average MBEr and RMSEr of 2.8 % and 43.6 %, respectively. Therefore, the 2PH method was the best choice for the case study, even though the 3PH method may also be considered, especially for parametric studies of improving measures.
URI: https://hdl.handle.net/10316/95096
ISSN: 0038-092X
DOI: 10.1016/j.solener.2021.05.085
Rights: embargoedAccess
Appears in Collections:FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais
I&D ADAI - Artigos em Revistas Internacionais

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