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RadCAD: Validation of a New Thermal Radiation Analyzer
ISSN: 0148-7191, e-ISSN: 2688-3627
Published July 01, 1997 by SAE International in United States
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RadCAD™* is a thermal radiation tool used to calculate form factors, exchange factors, and absorbed fluxes via Monte Carlo technique. Panczak in reference 1 presented a complete overview of RadCAD including: motivation, approach and algorithms. This paper presents verification problems that were used to validate RadCAD form factor calculations. Calculated form factors are compared to exact solutions for 5 different geometric configurations. For each geometric configuration, dimensions were modified resulting in a total of 36 cases. Cases were selected to fully exercise RacCAD's solution algorithms. Using the ray tracing technique, the number of rays shot for each case was varied from 500 to 100,000.
From results presented here, RadCAD's form factor calculation provides results consistent with the assumptions that govern a Monte Carlo analysis. Results show that RadCAD converges to the exact solution in a manner consistent with Monte Carlo Techniques.
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CitationLucas, S., "RadCAD: Validation of a New Thermal Radiation Analyzer," SAE Technical Paper 972442, 1997, https://doi.org/10.4271/972442.
- Panczak, T. “RadCAD: Integrating Radiation Analysis with Modern CAD Systems,” SAE paper 961375 , 26th SAE ICES Conference July 8 1996
- Panczak, T. Ring, S. “RadCAD: Next Generation Thermal Analyzer,” SAE paper 972241, 27th ICES Conference July 1997
- Siegel, R. Howell, J. Thermal Radiation Heat Transfer McGraw-Hill New York 1981