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Measurement of Radiation Heat Transfer within Porous Material

This paper deals with heat transmission through porous material subjecting to high levels of radiation. In depth absorption of radiant energy would lead to increased in-depth temperature which would cause a thicker pyrolysis zone, that lead to uncontrolled material spallation and failure. Analytical treatments of such problems had been attempted by many researchers [, approaches vary from theoretical principles to engineering correlations, but unfortunately no appropriate temperature and pressure-dependent material properties are available which are needed for their estimations, and extensive experimental measurements would still be required for their evaluations. This paper describes an experimental system developed for direct measurement of radiation transport parameters which is developed with reference to the experimental setups of previous investigators.