Volume of liquid at inlet Calculator

✖Diameter of centrifugal pump impeller at inlet is the diameter of the impeller at the inlet of the centrifugal pump.ⓘ Diameter of centrifugal pump impeller at inlet [D₁]			+10% -10%
✖The Width of Impeller at Inlet is the width of the impeller at the inlet of the pump.ⓘ Width of Impeller at Inlet [B₁]			+10% -10%
✖Flow velocity at inlet of centrifugal pump is the velocity of the fluid at the inlet of the impeller or the centrifugal pump.ⓘ Flow velocity at inlet of centrifugal pump [V_f1]			+10% -10%

✖Actual discharge at centrifugal pump outlet is the actual amount of the liquid outflow from the outlet of the centrifugal pump.ⓘ Volume of liquid at inlet [Q]

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Formula

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Volume of liquid at inlet

Formula

`"Q" = pi*"D"_{"1"}*"B"_{"1"}*"V"_{"f1"}`

Example

`"0.055978m³/s"=pi*"0.19m"*"0.018m"*"5.21m/s"`

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Volume of liquid at inlet Solution

STEP 0: Pre-Calculation Summary

Formula Used

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
Q = pi*D₁*B₁*V_f1
This formula uses 1 Constants, 4 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Actual discharge at centrifugal pump outlet - (Measured in Cubic Meter per Second) - Actual discharge at centrifugal pump outlet is the actual amount of the liquid outflow from the outlet of the centrifugal pump.
Diameter of centrifugal pump impeller at inlet - (Measured in Meter) - Diameter of centrifugal pump impeller at inlet is the diameter of the impeller at the inlet of the centrifugal pump.
Width of Impeller at Inlet - (Measured in Meter) - The Width of Impeller at Inlet is the width of the impeller at the inlet of the pump.
Flow velocity at inlet of centrifugal pump - (Measured in Meter per Second) - Flow velocity at inlet of centrifugal pump is the velocity of the fluid at the inlet of the impeller or the centrifugal pump.

STEP 1: Convert Input(s) to Base Unit

Diameter of centrifugal pump impeller at inlet: 0.19 Meter --> 0.19 Meter No Conversion Required
Width of Impeller at Inlet: 0.018 Meter --> 0.018 Meter No Conversion Required
Flow velocity at inlet of centrifugal pump: 5.21 Meter per Second --> 5.21 Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q = pi*D₁*B₁*V_f1 --> pi*0.19*0.018*5.21

Evaluating ... ...

Q = 0.0559775262201936

STEP 3: Convert Result to Output's Unit

0.0559775262201936 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

0.0559775262201936 ≈ 0.055978 Cubic Meter per Second <-- Actual discharge at centrifugal pump outlet

(Calculation completed in 00.004 seconds)

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Home » Physics » Fluid Mechanics » Fluid Machinery » Centrifugal Pumps » Geometric and Flow Parameters » Volume of liquid at inlet

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Created by Sagar S Kulkarni

Dayananda Sagar College of Engineering (DSCE), Bengaluru

Sagar S Kulkarni has created this Calculator and 200+ more calculators!

Verified by Chilvera Bhanu Teja

Institute of Aeronautical Engineering (IARE), Hyderabad

Chilvera Bhanu Teja has verified this Calculator and 200+ more calculators!

< 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

Volume of liquid at inlet Formula

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
Q = pi*D₁*B₁*V_f1

What is whirl velocity?

The whirl velocity is the tangential component of absolute velocity at the blade inlet and outlet. This component of velocity is responsible for the whirling of the impeller.

How to Calculate Volume of liquid at inlet?

Volume of liquid at inlet calculator uses 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 to calculate the Actual discharge at centrifugal pump outlet, The Volume of liquid at inlet formula is defined as the product of pi, diameter of impeller at inlet, width of impeller at inlet and velocity of flow at inlet. Actual discharge at centrifugal pump outlet is denoted by Q symbol.

How to calculate Volume of liquid at inlet using this online calculator? To use this online calculator for Volume of liquid at inlet, enter Diameter of centrifugal pump impeller at inlet (D₁), Width of Impeller at Inlet (B₁) & Flow velocity at inlet of centrifugal pump (V_f1) and hit the calculate button. Here is how the Volume of liquid at inlet calculation can be explained with given input values -> 0.055978 = pi*0.19*0.018*5.21.

FAQ

What is Volume of liquid at inlet?

The Volume of liquid at inlet formula is defined as the product of pi, diameter of impeller at inlet, width of impeller at inlet and velocity of flow at inlet and is represented as Q = pi*D₁*B₁*V_f1 or 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. Diameter of centrifugal pump impeller at inlet is the diameter of the impeller at the inlet of the centrifugal pump, The Width of Impeller at Inlet is the width of the impeller at the inlet of the pump & Flow velocity at inlet of centrifugal pump is the velocity of the fluid at the inlet of the impeller or the centrifugal pump.

How to calculate Volume of liquid at inlet?

The Volume of liquid at inlet formula is defined as the product of pi, diameter of impeller at inlet, width of impeller at inlet and velocity of flow at inlet is calculated using 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. To calculate Volume of liquid at inlet, you need Diameter of centrifugal pump impeller at inlet (D₁), Width of Impeller at Inlet (B₁) & Flow velocity at inlet of centrifugal pump (V_f1). With our tool, you need to enter the respective value for Diameter of centrifugal pump impeller at inlet, Width of Impeller at Inlet & Flow velocity at inlet 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 Actual discharge at centrifugal pump outlet?

In this formula, Actual discharge at centrifugal pump outlet uses Diameter of centrifugal pump impeller at inlet, Width of Impeller at Inlet & Flow velocity at inlet of centrifugal pump. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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