What is the view factor in heat transfer and how does it impact radiation?

[gholamghar]

hello
i need to understand "view factor" in heat transfer(radiation),
can anyone give me some documents that has some description
about "view factor"?
thnaks

 

[ank_gl]

how about some heat transfer books??

Heat transfer - cengel
Heat & mass transfer - Frank P Incropera

http://en.wikipedia.org/wiki/View_factor

 

[Topher925]

In layman's terms, the view factor is a just a coefficient that is used to account for radiative heat transfer only having an affect on a portion of the surface area of an object. This is usually caused by geometry or obstructions between the receiving surface and the source.