Chilvera Bhanu Teja
Institute of Aeronautical Engineering (IARE), Hyderabad
Chilvera Bhanu Teja has created this Calculator and 200+ more calculators!
Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
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5 Other formulas that you can solve using the same Inputs

Minimum speed for starting a centrifugal pump
Minimum speed for starting a centrifugal pump=(120*Manometric efficiency*Velocity of whirl at outlet*Diameter of impeller at outlet)/(pi*(Diameter of impeller at outlet^2-Diameter of impeller at inlet^2)) GO
Tip velocity of impeller in terms of hub diameter and inlet diameter
Velocity=pi*Speed in r.p.m*(sqrt(((Diameter of impeller at inlet^2)+(Hub diameter of impeller^2))/2)) GO
Flow velocity at inlet given volume of liquid
Velocity of flow at inlet =Discharge/(pi*Diameter of impeller at inlet*Width of impeller at inlet) GO
Volume of liquid at inlet
Discharge=pi*Diameter of impeller at inlet*Width of impeller at inlet*Velocity of flow at inlet GO
Tangential velocity of the impeller at inlet
Tangential velocity of impeller at inlet=pi*Diameter of impeller at inlet*Speed of impeller/60 GO

Mean diameter of impeller Formula

Mean diameter of impeller=sqrt(((Diameter of impeller at inlet^2)+(Hub diameter of impeller^2))/2)
D<sub>m</sub>=sqrt(((D<sub>1</sub>^2)+(D<sub>o</sub>^2))/2)
More formulas
Degree of reaction for compressor GO
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Isentropic efficiency of compression machine GO
Isentropic efficiency of expansion machine GO
Work done by roots blower GO
Tip velocity of impeller if mean diameter is known GO
Tip velocity of impeller in terms of hub diameter and inlet diameter GO
Impeller outlet diameter GO

What is impeller?

Impeller is a rotating component of a centrifugal pump that accelerates fluid outward from the center of rotation, thus transferring energy from the motor that drives the pump to the fluid being pumped.

How to Calculate Mean diameter of impeller?

Mean diameter of impeller calculator uses Mean diameter of impeller=sqrt(((Diameter of impeller at inlet^2)+(Hub diameter of impeller^2))/2) to calculate the Mean diameter of impeller, The Mean diameter of impeller formula is defined as the square root of half of sum of squares of impeller inlet diameter and hub diameter of inlet. Mean diameter of impeller and is denoted by Dm symbol.

How to calculate Mean diameter of impeller using this online calculator? To use this online calculator for Mean diameter of impeller, enter Diameter of impeller at inlet (D1) and Hub diameter of impeller (Do) and hit the calculate button. Here is how the Mean diameter of impeller calculation can be explained with given input values -> 2.829311 = sqrt(((0.1^2)+(4^2))/2).

FAQ

What is Mean diameter of impeller?
The Mean diameter of impeller formula is defined as the square root of half of sum of squares of impeller inlet diameter and hub diameter of inlet and is represented as Dm=sqrt(((D1^2)+(Do^2))/2) or Mean diameter of impeller=sqrt(((Diameter of impeller at inlet^2)+(Hub diameter of impeller^2))/2). Diameter of impeller at inlet is the diameter of impeller at the inlet of pump and Hub diameter of impeller is attached vanes and is mounted on a shaft.
How to calculate Mean diameter of impeller?
The Mean diameter of impeller formula is defined as the square root of half of sum of squares of impeller inlet diameter and hub diameter of inlet is calculated using Mean diameter of impeller=sqrt(((Diameter of impeller at inlet^2)+(Hub diameter of impeller^2))/2). To calculate Mean diameter of impeller, you need Diameter of impeller at inlet (D1) and Hub diameter of impeller (Do). With our tool, you need to enter the respective value for Diameter of impeller at inlet and Hub diameter of impeller and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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