Apparatus for calculating geometrical view factor

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364559, 364516, 364578, 364731, G01N 2100

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active

055463274

ABSTRACT:
The zenithal angle of a spherical surface is divided at regular intervals, the horizontal angle thereof is also divided at regular intervals in correspondence with each of the zenithal angles, and in addition, the intensity of each energy line emitted from the center of the bottom surface of the spherical surface at the divided zenithal and horizontal angles corresponds to each zenithal angle. Thus, the energy lines can be isotropically emitted from the center of the bottom surface the spherical surface. The emitted energy lines are traced from the center to each object surface and the intensity of each energy line which has reached each object surface are added to each other. Then, the intensity obtained by the addition is divided by the intensity of entire energy lines emitted from the center. Thus, the geometrical view factor of each object surface can be found quickly and accurately.

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