Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
My past post might be helpful.
φ is the tilt angle of the surface. For vertical wall, cosφ=0. For roof, cosφ=1. Each external surface has its own sky view factor (Fsky).
The relevant part of Engineering Reference is here.
| | 2 | No.2 Revision |
My past post might be helpful.
Each external surface has its own sky view factor (Fsky). φ is the tilt angle of the surface. For vertical wall, cosφ=0. cosφ=0, and Fsky≈0.354. For horizontal roof, cosφ=1. Each external surface has its own sky view factor (Fsky).cosφ=1, and Fsky=1.
The relevant part of Engineering Reference is here.
