Volume II - Section I - Introduction 
Page II - 7 
Figure 1.04 Alternative Change Station Design 
Modeling Assumptions 
• Solar load was not modeled through the walls of the room. 
• The floor, ceiling, and walls were assumed to have no heat transfer, i.e., the surrounding 
areas were assumed to be at the same temperatures. 
• All surfaces were treated as smooth when calculating surface friction. 
• The sink in the animal room was modeled as a single rectangular block. The recess formed 
by the shape of the sink was not modeled because the effect of the recess would be negligible 
on the overall flow field within the room. 
• No lighting was assumed in the animal room simulations. The reason for this was that higher 
CO 2 and NH3 emissions occur during dark (scotophase) conditions (see volume I, section 
4. 1.2.8. 1 and appendix I, sections 3.4. 1.9 and 3.4.1.10). 
