This page calculates the net radiant heat exchange for two isothermal (constant temperature) parallel flat black plates of equal size.

Define the plate size, spacing, and the plate temperatures. This page will calculate the view factor between plates 1 and 2 and calculate the net radiant heat exchange between the two plates using this view factor.

Help Note  Do you want to know more ?

Radiation Conditions

Description Symbol Value Units
Plate Length L Meters
Plate Width W Meters
Spacing (between plates) D Meters
Plate 1 Temperature T1 K
Plate 2 Temperature T2 K

Results for Isothermal Plates

Description Symbol Value Units
x = L/D x None
y = W/D y None
A = ln((1+x2)*(1+y2)/(1+x2+y2))0.5 A None
B = y*(1+x2)0.5*tan-1(y/(1+x2)0.5) B None
C = x*(1+y2)0.5*tan-1(x/(1+y2)0.5) C None
D = y*tan-1(y)+x*tan-1(x) D None
E = 2/(pi*x*y) E None
View Factor(1-2) = (A+B+C-D)*E VF(1-2) None
Heat Radiated = 56.69E-9*VF(1-2)*L*W*(T14-T24) q W

Copyright and Disclaimer Notice

 
powered by MAYA HTT