12.07.2015 Views

DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

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The relationship of this function to the commonly used partload efficiency can be expressed as:(-I/O-FPLR)(-HIR-FPLR) ; PLR x EFF{at PLR;l)EFF{PLR)Therefore, to input a constant efficiency unit, data points(O,O) and (1,1) or coefficients (0,1) should be inputthrough the CURVE-FIT command. Note that the use of datapOints (0,1) and (1,1) or coefficients (1,0) does notrepresent a constant efficiency unit. ---This form is used by electric generating equipment. Theequation associated with this form will define the input/output ratio (energy input/energy output) as a linear orquadratic function of part-load ratio.V.39.1 (Reviserl 5/81)

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