I'm designing a small underwater radio control.
It has one propeller at backside. I want to make a flow simulation using my stuff.
Thus, I set the propeller as a fan.
Can I define it's thrust force?
Usually you just move the fluid and then compute the drag so you know the thrust you need. You could then run a rotating frame problem for the rotor to see what thrust you are getting. If you are using the fan model then the thrust will be a function of the change of momentum as the fuid passes thruogh the fan. You can figure it out by a hand calc.
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