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Behrang, Each data file format (whether it is *.epw, *.tm2, *.tm3, etc.) has its own set of data fields (raw data values). Two common fields are the global horizontal radiation (beam + sky diffuse radiation falling on a horizontal surface) and direct normal solar radiation (beam radiation incident on a surface that is always normal to the beam radiation vector). *.epw files are EnergyPlus format weather files. The definitions of their fields can be found in the EnergyPlus documentation set. The definition for the TMY2 fields can be found in a document at: http://rredc.nrel.gov/solar/pubs/tmy2/. TRNSYS processes the raw data from the file and outputs various solar radiation quantities that can be used as the inputs to other components. The definition of those outputs can be found either in the proforma of the weather reader/processor component (likely Type15) or in the appropriate section of the 04-MathematicalReference manual. regards, David On 09/16/2015 12:36, Behrang Talebi
wrote:
-- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |