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Finite perpendicular plates
Function f3d_2(a, b, c) returns the view factor from area 1 to area 2 of two finite rectangles of the same length, having one common edge and having an angle of 90 degrees to each other.
Inputs:
a = height of area 1 [m or ft]
b = height of area 2 [m or ft]
c=length of common edge as shown in the figure [m or ft]
Note: The input values have to be greater than 0!
Example:
$UnitSystem SI K Pa J deg
a=1 [m]
b=1 [m]
c=0.5 [m]
F=f3d_2(a, b, c)
{Solution: F=0.1493 }
Reference: Siegel and Howell, Thermal radiation heat transfer, 4th edition, p.844.
View Factor Index