Inter-model comparison of five climate-based daylight modelling techniques: redirecting glazing/shading systems

The evolution of building facades towards increasingly smarter and more complex fenestration systems required an evolution in simulation capabilities too. While simulation software can reliably reproduce the system’s optical behaviour, the climate-based daylight evaluation of entire buildings needs...

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Bibliographic Details
Main Authors: Eleonora Brembilla, Doris A. Chi Pool, Christina Hopfe, John Mardaljevic
Format: Default Conference proceeding
Published: 2017
Subjects:
Architectural science and technology
Building science, technologies and systems
Other built environment and design not elsewhere classified
Environmental engineering not elsewhere classified
untagged
Built Environment and Design not elsewhere classified
Building Science and Techniques
Architectural Science and Technology (incl. Acoustics, Lighting, Structure and Ecologically Sustainable Design)
Environmental Engineering Modelling
Online Access:https://hdl.handle.net/2134/24542
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Summary:The evolution of building facades towards increasingly smarter and more complex fenestration systems required an evolution in simulation capabilities too. While simulation software can reliably reproduce the system’s optical behaviour, the climate-based daylight evaluation of entire buildings needs to efficiently combine accuracy and computation speed. Five state-of-the-art Climate-Based Daylight Modelling (CBDM) techniques to evaluate a space with fixed venetian blinds are compared with each others. Multiple options to apply these techniques are also considered. The use of annual metrics based on global illumination led to a good agreement between all methods, while evaluating only direct sunlight exposed some profound differences between simulation techniques.

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