SF_14
Function SF_14 provides the shape factor ([m] or [ft]) for conduction through edges of three adjoining walls of equal thickness.
Input:
L = thickness of wall ([m] or [ft])
Example: SF = SF_14(L)
Reference: Incropera, F. & DeWitt, D. (2002). Fundamentals of heat and mass transfer, 5th ed. Hoboken, New Jersey: John Wiley & Sons. p. 193-194.