Name: Radiation View Factors — parallel_rectangles: geometry id parallel_rect_X1Y1 · geometry description Two aligned parallel equal rectangles; X=a/c=1 Y=b/c=1 where c=separation · configuration notes X=Y=1: F12≈0.1998. Formula: F12=(2/piXY)*{ln(sqrt((1+X^2)(1+Y^2)/(1+X^2+Y^2)))+X… · formula expression F12 from Incropera Table 13.2 double-log formula; X=Y=1 · view factor F12 0.1998
Creator: Engineering Database

Parallel-Rect-X1Y1 — Parallel Rectangles

Geometry Class: Parallel Rectangles
Geometry Id: Parallel Rect X1Y1
Configuration Notes: X=Y=1: F12≈0.1998. Formula: F12=(2/piXY)*{ln(sqrt((1+X^2)(1+Y^2)/(1+X^2+Y^2)))+X*sqrt(1+Y^2)*arctan(X/sqrt(1+Y^2))+Y*sqrt(1+X^2)*arctan(Y/sqrt(1+X^2))-X*arctan(X)-Y*arctan(Y)}.
Formula Expression: F12 From Incropera Table 13.2 Double-Log formula; X=Y=1
Geometry Description: Two Aligned Parallel Equal rectangles; X=a/c=1 Y=b/c=1 Where c=separation
Param 1 Name: X Ratio
Param 1 Value: 1
Param 2 Name: Y Ratio
Param 2 Value: 1
Surface 1: Rectangle 1 (a X b)
Surface 2: Rectangle 2 (a X b)
View Factor F12: 0.1998