Re: [EnergyPlus_Support] External lonwave radiation by ground temperature

["Jeremiah Crossett jcrossett@xxxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

For radiation you need the surface, for ground surface radiation I think you are looking for the "SiteGroundReflectance" object.  Also the snow modifier object might be useful. 





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Jeremiah D. Crossett  | Senior Analyst  |  Phase Change Energy Solutions
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120 E. Pritchard St. Â | Asheboro, NC 27203Â 
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On Tue, May 27, 2014 at 5:19 AM, 'Hauer, Martin' <mailto:Martin.Hauer@xxxxxxxxxx>Martin.Hauer@xxxxxxxxxx [EnergyPlus_Support] <<mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx>EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
> Â 
> Hello all,

> Â 

> External longwave radiation is affected by Sky temperature, Air temperature and Ground temperature.

> Â 

> Where can I modify the Ground temperature. So far I tried to change the value of Site: Ground Temperature: Building Surface

> But as it seems it has no effect on the longwave radiation exchange?

> Â 

> Maybe someone can help me in this question.

> Â 

> Thanks,

> Martin

> Â 

> Martin Hauer

> Scientific Assistant

> Â 

> University of Innsbruck

> Unit for Energy Efficient Buildings and Renewable Energies

> Institute for Construction and Material Science, Techniker Str. 19a A-6020 Innsbruck

> T: <tel:%2B43%20512%20507-63654>+43 512 507-63654 | F: <tel:%2B43%20512%20507-36092>+43 512 507-36092 | M: <mailto:martin.hauer@xxxxxxxxxx>martin.hauer@xxxxxxxxxx

> <http://www.uibk.ac.at/bauphysik/>> http://www.uibk.ac.at/bauphysik/

> Â 

> 




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 Posted by: Jeremiah Crossett <jcrossett@xxxxxxxxxxxxxxx>

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