Revision history [back]

I should probably just close this as a duplicate, but since you've added additional content I won't. Presumably you have connected the zones together with elements that are low resistance, but it would be helpful to include that information. I can't really answer your first question (Can the Airflow network simulate the load of each space relatively accurately?) without more details. But I'll go with "no, it probably is not doing that". The answer to your second question (can I ignore the role of air momentum?) is easy, though. You don't have any choice because momentum is not conserved by the equations that AirflowNetwork solves, so it's getting ignored.

• AirflowNetwork solves a system of (nonlinear) equations based on conservation of mass. Momentum is not conserved.
• The connections between nodes and the resistance to flow associated with those connections determines where air can flow (or not). It is not like CFD where, given a good mesh, the equations will figure it out for you.

I would not expect meaningful results from this simulation. EnergyPlus is not the correct tool.