F3D_37

Right triangle to perpendicular rectangle with coincident base

Function f3d_37(W,L,D) returns the view factor between a right triangle and a perpendicular rectangle that share a base

Inputs:
W = height of rectangle [m] or [ft]
L = height of triangle [m] or [ft]
D = length of base [m] or [ft]

Example:
$UnitSystem SI Pa J K m
D=0.1 [m]
L=0.05 [m]
W=0.2 [m]
F=f3d_37(W,L,D)

{Solution:
F=0.3531}

Reference:
Sauer, H.J., "Configuration factors for radiant energy interchange with triangular areas," ASHRAE Transactions, Vol. 80, Part 2, (1974).