Re: [EnergyPlus_Support] why sky clearness for winter design days must be 0

["Linda Lawrie linda@xxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

Because a sky clearness of 0 will not use solar effects to
benefit during the daytime.

You, of course, can redefine the design day to suit your
purpose.

At 01:52 AM 9/2/2016, JUAN FRANCISCO BELMONTE TOLEDO
juanf.belmonte@xxxxxxx [EnergyPl wrote:


> Hello all.
>  
> I am not sure why the INPUT OUTPUT REFERENCE manual indicates that the
> sky clearness parameter for Winter design days should be 0 (i understand
> it means it is a cloudy day), as a clear sky (sky clearness=1) is a more
> unfavorable situation (higher heating peak loads) due to the lower
> radiant temperature of the sky.
>  
> Regards.

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Posted by: Linda Lawrie <linda@xxxxxxxxxxxxxx>

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