J. Zaworski et al., COMPARISON OF EXPERIMENT WITH MONTE-CARLO SIMULATIONS ON A REFLECTIVEGAP USING A DETAILED SURFACE-PROPERTIES MODEL, Journal of heat transfer, 118(2), 1996, pp. 388-393
The spatial distribution of light through a rectangular gap bounded by
highly reflective, diffuse surfaces was measured and compared with th
e results of Monte Carlo simulations. Incorporating radians properties
for real surfaces into a Monte Carlo code was seen to be a significan
t problem; a number of techniques for accomplishing this are discussed
. Independent results are reported for measured values of the bidirect
ional reflectance distribution function over incident polar angles fro
m 0 to 90 deg for a semidiffuse surface treatment (Krylon(TM) flat whi
te spray paint). The inclusion of this information into a Monte Carlo
simulation yielded various levels of agreement with experimental resul
ts. The poorest agreement occurred when the incident radiation was at
a grazing angle with respect to the surface and the reflectance was ne
arly specular.