Throat Bushing Flush Velocity

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  1. This calculator can be used to determine the fluid velocity (Vf) across and throat bushing knowing the flow rate (Q), diametrical clearance (Cd), and the shaft diameter (Ds). If you enter any three of these variables as inputs, the calculator will determine the fourth variable.
  1. The throat bushing is centered and creates a uniform annulus around the shaft.
  2. There is enough differential pressure across the bushing to generate the required flow through the bushing.

Input 3 of 4 variables to solve for the unknown.
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SymbolVariableInputUnits
VVelocity
QFlow Rate
DSShaft Diameter
CdDiametrical Clearance
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