SF_13
Function SF_13 provides the shape factor ([m] or [ft]) for conduction through edges of adjoining walls of equal thickness.
Inputs:
L = thickness of wall ([m] or [ft])
D = depth of wall ([m] or [ft])
Example: SF = SF_13(D, L)
Reference: Incropera, F. & DeWitt, D. (2002). Fundamentals of heat and mass transfer, 5th ed. Hoboken, New Jersey: John Wiley & Sons. p. 193-194.