Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=r64), | intent(in) | :: | Tc | |||
real(kind=r64), | intent(in) | :: | Ee | |||
real(kind=r64), | intent(in) | :: | Ixx0 | |||
real(kind=r64), | intent(in) | :: | aImp | |||
real(kind=r64), | intent(in) | :: | c6 | |||
real(kind=r64), | intent(in) | :: | c7 |
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REAL(r64) FUNCTION SandiaIxx(Tc,Ee,Ixx0,aImp,C6,C7)
! FUNCTION INFORMATION:
! AUTHOR G. Barker
! DATE WRITTEN <unknown>
! MODIFIED na
! RE-ENGINEERED B. Griffith Jan2004 F77 to f90
! PURPOSE OF THIS FUNCTION:
! Returns current "Ix" at V=0.5*(Voc+Vmp) (A)
! METHODOLOGY EMPLOYED:
! <description>
! REFERENCES:
! Equation 10 in King et al nov. 2003
! USE STATEMENTS:
! na
IMPLICIT NONE ! Enforce explicit typing of all variables in this routine
! FUNCTION ARGUMENT DEFINITIONS:
REAL(r64), INTENT(IN) :: Tc ! cell temperature (deg C)
REAL(r64), INTENT(IN) :: Ee ! effective irradiance (W/m2 ?)
REAL(r64), INTENT(IN) :: Ixx0 ! Ixx at SRC (1000 W/m2, 25 C) (A)
REAL(r64), INTENT(IN) :: aImp ! Imp temp coefficient (/C)
REAL(r64), INTENT(IN) :: c6 ! empirical module-specific constants
REAL(r64), INTENT(IN) :: c7 ! empirical module-specific constants
! FUNCTION PARAMETER DEFINITIONS:
! na
! INTERFACE BLOCK SPECIFICATIONS:
! na
! DERIVED TYPE DEFINITIONS:
! na
! FUNCTION LOCAL VARIABLE DECLARATIONS:
! na
SandiaIxx=Ixx0*(C6*Ee+C7*Ee**2)*(1.0d0+aImp*(Tc-25.0d0))
END FUNCTION SandiaIxx