Re: [EnergyPlus_Support] shape factors

[Linda Lawrie <linda@xxxxxxxxxx>]

At 07:02 AM 10/7/2002, Adriana Angelotti wrote:

does anybody know if in the radiation exchange between internal surfaces in a zone EnergyPlus calculates shape factors?
If yes, are shape factors available as output variables?

No, it does not calculate shape factors.

The program bases view factors on an area weighting and then uses Hottel's method to perform the "exact" radiant exchange for gray, diffuse surfaces. At some point, we might put in some sort of view factor calculation or the ability for the user to specify view factors, but that is currently not in the program plan (through Version 1.1 -- release Spring 2003).

Linda

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