Journal
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
Volume 132, Issue 7, Pages -Publisher
ASME
DOI: 10.1115/1.4000974
Keywords
radiative heat transfer; view factor; ray tracing; Monte Carlo method; polymer optical fiber
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A ray-tracing method is presented for numerically determining radiative view factors in complex three-dimensional geometries. This method uses a set of primitive shapes to approximate the required geometry together with a Monte Carlo simulation to track the fate of randomized rays leaving each surface. View factors were calculated for an operational fiber drawing furnace using both numerical integration and ray-tracing methods. Calculated view factor profiles were essentially identical above a ray density of 10(5) per unit area. Run times for the ray-tracing method were considerable longer, although the setup time to describe a new geometry is very short and essentially independent of system complexity. [DOI: 10.1115/1.4000974]
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