Virtual Reactor "Configuration factor" 에서 선택하는 Opaque grey solid bodies Radiation heat exchange 을 해석하는 방식
View Factor definition 첨부파일 참고
1.Gebhart Factors: Fast solution of the heat transfer problem but requires intensive memory consumption
2.View Factors: Larger number of iterations but much less operative memory
3.Two-Band View Factors: Semi-transparent solid blocks and only available for Axisymmetric problems.
