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Ventilation issues

Ventilation issues

Ventilation issues

(OP)
Hi everyone I’m new here, and fairly new to engineering, I’m working on a design for a product, with out giving to much away I’m trying to create a room with ventilation, so an exhaust fan will be drawing air out of the room, currently I have one inlet, but room becomes a bit of a vacuum, what I would like to do is have the exhaust drawing air out from the top of the room and a series of holes along the floor of the room drawing air in, how would I calculate how many holes and what size holes I would need to allow the fan to draw the correct amount of air with out causing a vacuum or putting unnecessary strain on the fan :)
Thanks in advance

RE: Ventilation issues

The room will remain "a bit of a vacuum" as long as there are any restrictions to airflow into the room. Quantifying the amount of vacuum you are OK with and what is required to stay below that normally requires a site visit.

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