Flow velocity given flow ratio Solution

STEP 0: Pre-Calculation Summary
Formula Used
Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Vf2 = Kf*sqrt(2*[g]*Hm)
This formula uses 1 Constants, 1 Functions, 3 Variables
Constants Used
[g] - Gravitational acceleration on Earth Value Taken As 9.80665
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
Flow velocity at outlet of centrifugal pump - (Measured in Meter per Second) - Flow velocity at outlet of centrifugal pump is the velocity of the fluid at the outlet of the impeller or the centrifugal pump.
Flow ratio centrifugal pump - Flow ratio centrifugal pump is the ratio of the velocity of flow at the exit to the theoretical velocity of the jet corresponding manometric head.
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.
STEP 1: Convert Input(s) to Base Unit
Flow ratio centrifugal pump: 0.09 --> No Conversion Required
Manometric Head of Centrifugal Pump: 25.3 Meter --> 25.3 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vf2 = Kf*sqrt(2*[g]*Hm) --> 0.09*sqrt(2*[g]*25.3)
Evaluating ... ...
Vf2 = 2.00483255385581
STEP 3: Convert Result to Output's Unit
2.00483255385581 Meter per Second --> No Conversion Required
FINAL ANSWER
2.00483255385581 2.004833 Meter per Second <-- Flow velocity at outlet of centrifugal pump
(Calculation completed in 00.004 seconds)

Credits

Created by Sagar S Kulkarni
Dayananda Sagar College of Engineering (DSCE), Bengaluru
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Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi
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19 Geometric and Flow Parameters Calculators

Mechanical efficiency given Specific Weight of Liquid
Go Mechanical efficiency of centrifugal pump = (Specific weight of fluid in pump*(Actual discharge at centrifugal pump outlet+Leakage of Liquid from Impeller)*(Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet/[g]))/Input power to centrifugal pump
Overall efficiency
Go Overall efficiency of centrifugal pump = (Specific weight of fluid in pump*Actual discharge at centrifugal pump outlet*Manometric Head of Centrifugal Pump)/Input power to centrifugal pump
Flow velocity at outlet given volume of liquid
Go Flow velocity at outlet of centrifugal pump = Actual discharge at centrifugal pump outlet/(pi*Diameter of centrifugal pump impeller at outlet*Width of Impeller at Outlet)
Volume of liquid at outlet
Go Actual discharge at centrifugal pump outlet = pi*Diameter of centrifugal pump impeller at outlet*Width of Impeller at Outlet*Flow velocity at outlet of centrifugal pump
Flow velocity at inlet given volume of liquid
Go Flow velocity at inlet of centrifugal pump = Actual discharge at centrifugal pump outlet/(pi*Diameter of centrifugal pump impeller at inlet*Width of Impeller at Inlet)
Volume of liquid at inlet
Go Actual discharge at centrifugal pump outlet = pi*Diameter of centrifugal pump impeller at inlet*Width of Impeller at Inlet*Flow velocity at inlet of centrifugal pump
Thoma's cavitation factor
Go Thoma's Cavitation Factor = (Atmospheric Pressure Head for Pump-Suction head of centrifugal pump-Vapour Pressure Head)/Manometric Head of Centrifugal Pump
Leakage of Liquid given Volumetric Efficiency and Discharge
Go Leakage of Liquid from Impeller = (Actual discharge at centrifugal pump outlet/Volumetric efficiency of centrifugal pump)-Actual discharge at centrifugal pump outlet
Torque at outlet
Go Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet
Flow velocity given flow ratio
Go Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Flow ratio
Go Flow ratio centrifugal pump = Flow velocity at outlet of centrifugal pump/sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Diameter of delivery pipe
Go Diameter of delivery pipe of pump = sqrt((4*Actual discharge at centrifugal pump outlet)/(pi*Velocity in Delivery Pipe))
Speed ratio
Go Speed ratio centrifugal pump = Tangential Velocity of Impeller at Outlet/sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Diameter of suction pipe
Go Diameter of suction pipe of pump = sqrt((4*Actual discharge at centrifugal pump outlet)/(pi*Velocity in Suction Pipe))
Net positive suction head
Go Net Positive Suction Head of Centrifugal Pump = Atmospheric Pressure Head for Pump-Static Head of Centrifugal Pump-Vapour Pressure Head
Thoma's Cavitation factor given Net Positive Suction Head
Go Thoma's Cavitation Factor = Net Positive Suction Head of Centrifugal Pump/Manometric Head of Centrifugal Pump
Weight of liquid
Go Weight of liquid in pump = Specific Weight of Liquid*Actual discharge at centrifugal pump outlet
Static head
Go Static Head of Centrifugal Pump = Suction head of centrifugal pump+Delivery head of pump
Vane efficiency
Go Vane Efficiency = Actual Head of Pump/Euler Head of Pump

Flow velocity given flow ratio Formula

Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump)
Vf2 = Kf*sqrt(2*[g]*Hm)

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 Flow velocity given flow ratio?

Flow velocity given flow ratio calculator uses Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump) to calculate the Flow velocity at outlet of centrifugal pump, The Flow velocity given flow ratio formula is defined as the product of flow ratio and square root of twice the acceleration due to gravity and manometric head. Flow velocity at outlet of centrifugal pump is denoted by Vf2 symbol.

How to calculate Flow velocity given flow ratio using this online calculator? To use this online calculator for Flow velocity given flow ratio, enter Flow ratio centrifugal pump (Kf) & Manometric Head of Centrifugal Pump (Hm) and hit the calculate button. Here is how the Flow velocity given flow ratio calculation can be explained with given input values -> 2.450351 = 0.09*sqrt(2*[g]*25.3).

FAQ

What is Flow velocity given flow ratio?
The Flow velocity given flow ratio formula is defined as the product of flow ratio and square root of twice the acceleration due to gravity and manometric head and is represented as Vf2 = Kf*sqrt(2*[g]*Hm) or Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump). Flow ratio centrifugal pump is the ratio of the velocity of flow at the exit to the theoretical velocity of the jet corresponding manometric head & The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work.
How to calculate Flow velocity given flow ratio?
The Flow velocity given flow ratio formula is defined as the product of flow ratio and square root of twice the acceleration due to gravity and manometric head is calculated using Flow velocity at outlet of centrifugal pump = Flow ratio centrifugal pump*sqrt(2*[g]*Manometric Head of Centrifugal Pump). To calculate Flow velocity given flow ratio, you need Flow ratio centrifugal pump (Kf) & Manometric Head of Centrifugal Pump (Hm). With our tool, you need to enter the respective value for Flow ratio centrifugal pump & Manometric Head 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 Flow velocity at outlet of centrifugal pump?
In this formula, Flow velocity at outlet of centrifugal pump uses Flow ratio centrifugal pump & Manometric Head of Centrifugal Pump. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Flow velocity at outlet of centrifugal pump = Actual discharge at centrifugal pump outlet/(pi*Diameter of centrifugal pump impeller at outlet*Width of Impeller at Outlet)
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