An infinite surface to the second row of an equilateral triangle array of infinitely long tubes
Function F2D_17 returns the view factor from an infinitely long flat plate to the second row of an equilateral triangle array of tubes.
The calling protocol is:
F = F2D_17(d, p)
Inputs:
d: diameter of tubes (ft or m)
p: distance between tube centers both horizontally and diagonally from 1st to 2nd row (ft or m)
Example:
$UnitSystem SI Mass J K Pa Degree
d=1 [m]
p=2 [m]
F=F2D_17(d, p)
{Solution
F=0.1943}
Reference: http://www.me.utexas.edu/~howell/sectionc/C-8.html