Radiation absorption of an infinitely long hollow cylinder with Fresnel boundary is studied using the ray tracing method. Since the radiative heat transfer is the dominant heat transfer mode in optical fiber drawing, the current radiative transfer model can provide insights into physical processes for microstructured optical fiber fabrication. Effects of refractive index, optical thickness and geometry on radiative heat transfer are studied. The results of this study can also serve as benchmark solutions for radiative heat transfer for other methods, such as the finite volume method and the discrete ordinates method for participating media with Fresnel boundary.
Volume Subject Area:
Heat Transfer
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