拡散面と鏡面からなる三次元閉空間内の放射伝熱 : 改良型光線追跡法を用いた計算方法

概要

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A numerical calculation method of radiation heat transfer in a three-dimensional closed space including diffuse and specular surfaces has been developed. In order to enable to analyze the radiation heat exchange on each surface considering multiple specularly reflections and obstacles of radiation in the space, the improved heat ray tracing method was presented for calculating above-mentioned view factors accurately. It was examined to be applicable to complicated problems by test calculations using a few models with specular surfaces and obstacles. Continuing effort is applied to a more realistic problem. The example cited in this paper is the infrared emitter with a parabolic specular reflector, which is the common electric heating apparatus. The measured result of a radiant irradiated power distribution agrees well with the calculated one. The practical validity of our method was verified.
一般社団法人日本機械学会の論文
1999-07-25