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Re: [EnergyPlus_Support] Daylight Simulation - Skylights



Hi guys, just to keep you informed...DesignBuilder are working on a daysim kind of development (because it uses weather file data). Once this is complete, I will be able to make direct comparisons to the e+ daylighting calculation which I've been planing for years...so watch this space. In the past 5 years I have seen quite a few improvements on its daylighting module (which uses radiance). One bug-fix in particular made a huge difference...from memory that was around 2012-2013. So if you haven't tried it for a while, it may be worth running your old models in the new versions and comparing the results.
Cheers,
Jean

On 12 Nov 2015 5:16 pm, "Daniel Amaral danielamaral.arquiteto@xxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
 

Hi Ivan,

Usually I use Daysim and Radiance for daylight simulation. These softwares are freeware and easy to use. There is a lot of material available on internet about them. In my experience with DesignBuilder I saw that its results are underestimated in comparison with other softwares. For annual availability of daylight I use Daysim with a plugin for SketchUp.

Best regards,

Daniel de Oliveira Amaral
Arquitetura & Consultoria
(31) 8674-9764



Em Quarta-feira, 11 de Novembro de 2015 15:51, "Ivan Mezzacapa de Souza ivan_slip@xxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> escreveu:


 
Hi everyone,
 
Someone here uses designbuilder for daylight simulation?
 
Iâ??m having a big difficulty to simulate skylights in warehouses. I draw the window on model with the skylights characteristics, but, the results are very different to reality.
 
Someone can help with this? I attached the archive here if helps.
 
Thank you!
 
Tecg. Ivan Mezzacapa
Pós Graduado em Engenharia de Produção
Projetos de Ar Condicionado - Consultoria em Eficiência Energética - Simulação Energética
Celular: (11) 99963-9326
 




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Posted by: Jean Marais <jeannieboef@xxxxxxxxx>


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