Least diameter of impeller when outlet diameter is twice of inlet diameter Solution

STEP 0: Pre-Calculation Summary
Formula Used
Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump
D2 = (97.68*sqrt(Hm))/N
This formula uses 1 Functions, 3 Variables
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Diameter of centrifugal pump impeller at outlet - (Measured in Meter) - Diameter of centrifugal pump impeller at outlet is the diameter of the impeller at the outlet of the centrifugal pump.
Manometric Head of Centrifugal Pump - (Measured in Meter) - The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work.
Angular velocity of centrifugal pump - (Measured in Revolution per Minute) - Angular velocity of centrifugal pump refers to how fast the pump impeller rotates.
STEP 1: Convert Input(s) to Base Unit
Manometric Head of Centrifugal Pump: 25.3 Meter --> 25.3 Meter No Conversion Required
Angular velocity of centrifugal pump: 179.07 Radian per Second --> 1709.99253965502 Revolution per Minute (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
D2 = (97.68*sqrt(Hm))/N --> (97.68*sqrt(25.3))/1709.99253965502
Evaluating ... ...
D2 = 0.287323862391827
STEP 3: Convert Result to Output's Unit
0.287323862391827 Meter --> No Conversion Required
FINAL ANSWER
0.287323862391827 0.287324 Meter <-- Diameter of centrifugal pump impeller at outlet
(Calculation completed in 00.004 seconds)

Credits

Created by Sagar S Kulkarni
Dayananda Sagar College of Engineering (DSCE), Bengaluru
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Verified by Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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10+ Impeller Parameters Calculators

Impeller power
Go Impeller Power of Centrifugal Pump = (Specific weight of fluid in pump*Actual discharge at centrifugal pump outlet*Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet)/(1000*[g])
Outlet Diameter of Impeller using Speed Ratio, Manometric Head and Impeller Speed
Go Diameter of centrifugal pump impeller at outlet = (84.6*Speed ratio centrifugal pump*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump
Tangential velocity given speed ratio
Go Tangential Velocity of Impeller at Outlet = Speed ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Least diameter of impeller when outlet diameter is twice of inlet diameter
Go Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump
Tangential velocity of impeller at outlet
Go Tangential Velocity of Impeller at Outlet = pi*Diameter of centrifugal pump impeller at outlet*Angular velocity of centrifugal pump/60
Tangential Velocity of Impeller at Inlet
Go Tangential Velocity of Impeller at Inlet = pi*Diameter of centrifugal pump impeller at inlet*Angular velocity of centrifugal pump/60
Tangential Velocity of Impeller at Outlet using Angular Velocity
Go Tangential Velocity of Impeller at Outlet = Angular velocity of centrifugal pump*Radius of Impeller at Outlet
Impeller radius at outlet given outlet tangential velocity
Go Radius of Impeller at Outlet = Tangential Velocity of Impeller at Outlet/Angular velocity of centrifugal pump
Tangential Velocity of Impeller at Inlet using Angular Velocity
Go Tangential Velocity of Impeller at Inlet = Angular velocity of centrifugal pump*Radius of Impeller at Inlet
Impeller radius at inlet given inlet tangential velocity
Go Radius of Impeller at Inlet = Tangential Velocity of Impeller at Inlet/Angular velocity of centrifugal pump

Least diameter of impeller when outlet diameter is twice of inlet diameter Formula

Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump
D2 = (97.68*sqrt(Hm))/N

What is manometric head?

Manometric head is the sum of the actual lift (Static head), the frictional losses in the pipes and the discharge velocity head. In other words, the energy needed by the water from suction in suction pipe to discharge in the discharge tank, converted into head form is called manometric head.

How to Calculate Least diameter of impeller when outlet diameter is twice of inlet diameter?

Least diameter of impeller when outlet diameter is twice of inlet diameter calculator uses Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump to calculate the Diameter of centrifugal pump impeller at outlet, Least diameter of impeller when outlet diameter is twice of inlet diameter is defined as the ratio of square root of manometric head multiplied by 97.68 to the speed of the impeller. Diameter of centrifugal pump impeller at outlet is denoted by D2 symbol.

How to calculate Least diameter of impeller when outlet diameter is twice of inlet diameter using this online calculator? To use this online calculator for Least diameter of impeller when outlet diameter is twice of inlet diameter, enter Manometric Head of Centrifugal Pump (Hm) & Angular velocity of centrifugal pump (N) and hit the calculate button. Here is how the Least diameter of impeller when outlet diameter is twice of inlet diameter calculation can be explained with given input values -> 0.287323 = (97.68*sqrt(25.3))/179.07.

FAQ

What is Least diameter of impeller when outlet diameter is twice of inlet diameter?
Least diameter of impeller when outlet diameter is twice of inlet diameter is defined as the ratio of square root of manometric head multiplied by 97.68 to the speed of the impeller and is represented as D2 = (97.68*sqrt(Hm))/N or Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump. The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work & Angular velocity of centrifugal pump refers to how fast the pump impeller rotates.
How to calculate Least diameter of impeller when outlet diameter is twice of inlet diameter?
Least diameter of impeller when outlet diameter is twice of inlet diameter is defined as the ratio of square root of manometric head multiplied by 97.68 to the speed of the impeller is calculated using Diameter of centrifugal pump impeller at outlet = (97.68*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump. To calculate Least diameter of impeller when outlet diameter is twice of inlet diameter, you need Manometric Head of Centrifugal Pump (Hm) & Angular velocity of centrifugal pump (N). With our tool, you need to enter the respective value for Manometric Head of Centrifugal Pump & Angular velocity of centrifugal pump and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Diameter of centrifugal pump impeller at outlet?
In this formula, Diameter of centrifugal pump impeller at outlet uses Manometric Head of Centrifugal Pump & Angular velocity of centrifugal pump. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Diameter of centrifugal pump impeller at outlet = (84.6*Speed ratio centrifugal pump*sqrt(Manometric Head of Centrifugal Pump))/Angular velocity of centrifugal pump
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