Pump Calcs
Simplified Pump Calculations for Sophisticated Results
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Centrifugal Pumps
Brake horsepower
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Pressure, Head, and Flow
Converting fluid velocity to velocity head
Converting pressure to head
Converting velocity to flow
Pump Design
Peripheral velocity of an impeller
Shaft shear stress
Torque with hp and speed
Vibration
Acceleration, displacement
Velocity (in/sec) pk to g's
Velocity (in/sec) pk to mils pk
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Vibration
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Velocity (in/sec) pk to mils pk
Velocity in in/sec pk to displacement in mils pk - pk
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Equation
Overview
Assumptions
Short
Long
Input 2 of 3 variables to solve for the unknown.
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Symbol
Variable
Input
Units
D
Vibration Displacement
mils (pk-pk)
V
Vibration Velocity
inches/second (0-pk)
CPM
Frequency
cycles/min
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See also
Calculations
Velocity in in/sec pk to acceleration in g's
Converting fluid velocity to velocity head
Acceleration in G's to displacement in mils pk-pk
Definitions
kcmil
A
Velocity of Propagation (VP)
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