Self-viewing Surfaces
For a convex surface, no radiation can leave the surface and then hit later, because radiation travels in straight lines. Hence, for convex surfaces,
For concave surfaces, this doesn't apply, and so for concave surfaces
Read more about this topic: View Factor
Famous quotes containing the word surfaces:
“Footnotes are the finer-suckered surfaces that allow tentacular paragraphs to hold fast to the wider reality of the library.”
—Nicholson Baker (b. 1957)