Re: [EnergyPlus_Support] weather file

[Linda Lawrie <linda@xxxxxxxxxx>]

The definitions come from the TMY2/IWEC descriptions.  The V1.3.0 
release will also include them under the field definitions:


Field:  Total Sky Cover

This is the value for total sky cover (tenths of coverage).  (i.e. 1 
is 1/10 covered. 10 is total coverage).  (Amount of sky dome in 
tenths covered by clouds or obscuring phenomena at the hour indicated 
at the time indicated.)  This is not used unless the field for 
Horizontal Infrared Radiation Intensity is missing and then it is 
used along with Opaque Sky Cover to calculate Horizontal Infrared 
Radiation Intensity.  Minimum value is 0; maximum value is 10; 
missing value is 99.


Field:  Opaque Sky Cover

This is the value for opaque sky cover (tenths of coverage).  (i.e. 1 
is 1/10 covered. 10 is total coverage).  (Amount of sky dome in 
tenths covered by clouds or obscuring phenomena that prevent 
observing the sky or higher cloud layers at the time 
indicated.)  This is not used unless the field for Horizontal 
Infrared Radiation Intensity is missing and then it is used along 
with Total Sky Cover to calculate Horizontal Infrared Radiation 
Intensity.  Minimum value is 0; maximum value is 10; missing value is 99.


Linda

EnergyPlus WebSite: http://www.energyplus.gov
Owner: EnergyPlus_Support list
Member: EnergyPlus Development Team



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