In the equations given above, the following nomenclature applies:
|
|
absorptivity |
|
|
angle between the surface normal and a line joining two surfaces [rad] |
| T |
emitted energy [J] |
|
|
emissivity |
|
|
k th constituent boundary cell face of patch i |
|
|
view or configuration factor for surface pair |
|
|
total intensity leaving surface k, where intensity is defined as the "radiative energy passing through an area per unit solid angle, per unit of the area projected normal to the direction of passage, and per unit time" [1]. [ |
|
|
incident radiant flux [ |
|
|
total emitted radiant flux or radiosity [ |
| L |
distance [m] |
| n |
normal vector |
|
|
total number of patches |
|
|
total power leaving surface 1 and incident on surface 2 [W] |
|
|
heat flux through boundary cell face f [ |
|
|
reflectivity |
|
|
Stefan-Boltzmann constant [ |
| S |
surface area [m2] |
| T |
temperature [K] |
|
|
transmissivity |