How to find the maximum outlet velocity of exhaust air from a fan
How to find the maximum outlet velocity of exhaust air from a fan
(OP)
how can I find the maximum outlet velocity of exhaust air from an exhaust fan if I know the following parameters.
fan rpm, fan power, motor rpm, motor power. And all the dimensions of fan.
fan rpm, fan power, motor rpm, motor power. And all the dimensions of fan.





RE: How to find the maximum outlet velocity of exhaust air from a fan
RE: How to find the maximum outlet velocity of exhaust air from a fan
RE: How to find the maximum outlet velocity of exhaust air from a fan
This is the fan curve.
RE: How to find the maximum outlet velocity of exhaust air from a fan
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RE: How to find the maximum outlet velocity of exhaust air from a fan
RE: How to find the maximum outlet velocity of exhaust air from a fan
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RE: How to find the maximum outlet velocity of exhaust air from a fan
RE: How to find the maximum outlet velocity of exhaust air from a fan
What ever duct work, dampers etc. that is connected to the fan will determine the static pressure.
The velocity of the air in the duct will be determined by the duct size and how much air you are running through it.
Higher flow = higher static and velocity
The way you word your question makes me think that you are trying to size a fan for a system. If so then you need to get the design data for the system or design the system considering required volume, static pressure and friction loss from the duct work and maximum velocity in the duct (small duct and high velocity = noise)then select your fan based on the volume / horsepower / power requirements from a manufacturer catalog.