Radiation View Factors: cylinder_to_plane
Radiation view factors (F12) for common geometric configurations — parallel plates, perpendicular surfaces, concentric cylinders/spheres, coaxial disks, enclosures
| geometry class | geometry id | configuration notes | formula expression | geometry description | param 1 name | param 1 value | surface 1 | surface 2 | view factor F12 |
|---|---|---|---|---|---|---|---|---|---|
| cylinder_to_plane | long_cylinder_to_plane_h10 | h/r=10.0: F12=(1/pi)*arcsin(0.1)=(1/pi)*0.10017=0.0319. | F12=(1/pi)*arcsin(1/(h/r)) | Infinitely long cylinder above infinite plane; h/r=10.0 | h_over_r | 10 | Long cylinder (radius r) | Infinite plane | 0.0319 |
| cylinder_to_plane | long_cylinder_to_plane_h2 | h/r=2.0: F12=(1/pi)*arcsin(0.5)=(1/pi)*(pi/6)=1/6≈0.1667. This is the view factor from the cylinder to the plane. The infinite plane F21 is found by energy balance on the enclosure. | F12=(1/pi)*arcsin(r/h)=(1/pi)*arcsin(1/(h/r)) | Infinitely long cylinder of radius r centered at height h above an infinite plane; h/r=2.0 | h_over_r | 2 | Long cylinder (radius r) | Infinite plane | 0.1667 |
| cylinder_to_plane | long_cylinder_to_plane_h3 | h/r=3.0: F12=(1/pi)*arcsin(0.3333)=(1/pi)*0.3398=0.1082. | F12=(1/pi)*arcsin(1/3) | Infinitely long cylinder above infinite plane; h/r=3.0 | h_over_r | 3 | Long cylinder (radius r) | Infinite plane | 0.1082 |
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