Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=r64), | intent(in) | :: | DeltaTemp |
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FUNCTION CalcASHRAEVerticalWall(DeltaTemp) RESULT (Hn)
! FUNCTION INFORMATION:
! AUTHOR Brent Griffith
! DATE WRITTEN Aug 2010
! MODIFIED na
! RE-ENGINEERED na
! PURPOSE OF THIS FUNCTION:
! Calculate the model equation attributed to ASHRAE for vertical walls for natural convection
! METHODOLOGY EMPLOYED:
!
! REFERENCES:
! 2. ASHRAE Handbook of Fundamentals 2001, p. 3.12, Table 5.
! USE STATEMENTS:
! na
IMPLICIT NONE ! Enforce explicit typing of all variables in this routine
! FUNCTION ARGUMENT DEFINITIONS:
REAL(r64), INTENT(IN) :: DeltaTemp ! [C] temperature difference between surface and air
REAL(r64) :: Hn ! function result
! FUNCTION PARAMETER DEFINITIONS:
! na
! INTERFACE BLOCK SPECIFICATIONS:
! na
! DERIVED TYPE DEFINITIONS:
! na
! FUNCTION LOCAL VARIABLE DECLARATIONS:
! na
Hn = 1.31d0 *( (ABS(DeltaTemp))**OneThird)
RETURN
END FUNCTION CalcASHRAEVerticalWall