E
Average Shading Factors for Overhangs
The following charts show monthly average fraction of receiver area receiving beam radiation as a function of relative overhang dimensions for latitudes 
, 
, and 
. For use in the southern hemisphere, interchange months as shown in Figure 1.8.2. See Section 14.4 for methods of use of these factors and interpolation routines.
Utzinger, D. M., M.S. Thesis, Mechanical Engineering, University of Wisconsin-Madison (1979). “Analysis of Building Components Related to Direct Solar Heating of Buildings.”
Figure E.1 Monthly mean fraction of vertical receiver area receiving beam radiation as function of relative overhang dimensions for latitude 
. For the southern hemisphere interchange months as shown in Figure 1.8.2.
Figure E.2 Monthly mean fraction of vertical ...
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