Ky. Lee et al., THE STEADY-STATE TEMPERATURE AS A FUNCTION OF CASKET GEOMETRY FOR MICROWAVE-HEATED REFRACTORY CASKETS, MATERIALS RESEARCH INNOVATIONS, 1(2), 1997, pp. 101-116
This study demonstrates experimentally that for a fixed microwave inpu
t power, the steady-state temperature for microwave ''caskets'' (speci
men enclosures) can vary significantly as the casket geometry changes.
Also, the steady-state casket temperatures are very similar for caske
ts with and without an included specimen, as long as the specimen's vo
lume and mass are small com pared to the casket's volume and mass. In
addition to the experimental work, a simple model is presented that de
scribes the variation in steady-state temperature as a function of cas
ket geometry. The model also describes how the steady-state casket tem
perature scales with microwave input power level. For the single-mode
microwave cavity operated at 2.45 GHz that is used in this study, the
steady-state casket temperature at 600 Watts of input power ranged fro
m 1112 degrees C to 1519 degrees C as the casket geometry changed for
caskets composed of porous zirconia cylinders with aluminosilicate end
plates.