Yes, I have studied a lot of fluid dynamics. My question was because I don't understand your answer. If the inflow is higher than the outflow, you have more air in the room and therefore there is a positive differential. At least as I understand it.
Hello to all,
I am a mechanical engineer entering the HVAC world and have stroke upon a case that neither my colleagues nor I can give a clear answer to.
We are designing a building that is compounded by zones with different depressure levels, the building is surrounded by air at atmospheric...