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Development of virtual natural lighting solutions with a simplified view using lighting simulation
Department of Built Environment, Unit Building Physics and Services, Eindhoven University of Technology, Eindhoven, Netherlands.
Department of Built Environment, Unit Building Physics and Services, Eindhoven University of Technology, Eindhoven, Netherlands.ORCID iD: 0000-0001-7520-1593
Department of Built Environment, Unit Building Physics and Services, Eindhoven University of Technology, Eindhoven, Netherlands.
Department of Built Environment, Unit Building Physics and Services, Eindhoven University of Technology, Eindhoven, Netherlands.
2013 (English)In: Proceedings of BS 2013: 13th Conference of the International Building Performance Simulation Association, 2013, 3384-3391 p.Conference paper (Refereed)
Abstract [en]

Computational building performance simulation can be employed to develop various future solutions. The development of Virtual Natural Lighting Solutions (VNLS), which are systems that artificially provide natural lighting and view comparable to those of real windows and skylights, is steered by modelling them as arrays of small light sources resembling a simplified view of a blue sky and green ground. The lighting simulation tool Radiance is employed to predict the space availability, uniformity, ground light contribution on the ceiling, and probability of discomfort glare. The input variables are "distance between windows", "tilt angles", "beam angles", and "total luminous fluxes of the sky elements". Sensitivity analysis shows that the total luminous flux positively influences the space availability, the beam angle positively influences the uniformity; and negatively influences average ground light contribution on the ceiling and average probability of discomfort glare. Most of the VNLS models with 114° beam angle perform better on the tested performance indicators than real windows under CIE overcast sky.

Place, publisher, year, edition, pages
2013. 3384-3391 p.
Keyword [en]
Building performance simulations, Discomfort glare, Input variables, Light contribution, Lighting simulation, Natural lighting, Performance indicators, Total luminous fluxes, Light sources, Glare effects
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:hj:diva-31842ScopusID: 2-s2.0-84886649890OAI: oai:DiVA.org:hj-31842DiVA: diva2:973872
Conference
13th Conference of the International Building Performance Simulation Association, BS 2013, 26 August 2013 through 28 August 2013, Chambery
Available from: 2016-09-23 Created: 2016-09-23 Last updated: 2016-09-23Bibliographically approved

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Aries, Myriam
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