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Re: [EnergyPlus_Support] Modelling External Surface Emission

You can specify the thermal and solar absorptances of the exterior 
surface material in EnergyPlus.  The thermal absorptance (or 
emittance or emissivity) governs exterior long-wave radiant exchange.

Mike



On 13 Apr 2003, at 14:40, almaziad wrote:

> would like to know if it is possible to model external surface 
> emission properties in the calculation of building energy 
> performance using EnergyPLUS.
> 
> Any one can suggest other programs or methods which take into 
> account effects of external surface emission in the calculation of
> building cooling loads.
> 
> "The setup is to simulate the effect of different paint types with
> varying surface emission properties which can influence the surface
> temperature and emitted radiation at night to sky." 
> 
> 
> Thanks
> FMaziad
> 
> 
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