Air speed impact


Hi all fellow-farmers. Today I talked to a professional from the vertical farming community and he mentioned that the air speed is pretty critical in today’s vertical farms.
We don’t have wind speed meters in our set-up, so there is no way to verify. My question is if the size of the circulation ventilator is (throughput) is designed specifically for this PFC dimension, or maybe for a specific crop ? Has anyone does some experiments with different fans sizes ?