Centrifugal Pump operating in zero gravity
Centrifugal Pump operating in zero gravity
(OP)
A colleague asked me a pump question that I was unsure of. He asked if a centrifugal pump was operating in a normal 1g application and produced 50 ft. of head (water at 21.7 psi for example), and then went into a 0g condition.
If - Pressure = (Weight Density) x (Head) = (Mass Density x g) x (Head)
Then – once gravity (g) nears zero, then Pressure will also go to near zero.
Is this correct?
If - Pressure = (Weight Density) x (Head) = (Mass Density x g) x (Head)
Then – once gravity (g) nears zero, then Pressure will also go to near zero.
Is this correct?





RE: Centrifugal Pump operating in zero gravity
There might be some issues of getting water into the pump. Air pressure will still push without gravity but liquid will not go to the bottom of a feed tank without gravity or some piston. Before main engines are fired on a rocket in space small jets are fired to slightly accelerate the rocket so fuel and oxidizer moves to the bottom of the tanks.
RE: Centrifugal Pump operating in zero gravity