Torque at outlet Solution

STEP 0: Pre-Calculation Summary
Formula Used
Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet
T = (Wl/[g])*Vw2*R2
This formula uses 1 Constants, 4 Variables
Constants Used
[g] - Gravitational acceleration on Earth Value Taken As 9.80665
Variables Used
Torque at Centrifugal Pump Outlet - (Measured in Newton Meter) - The Torque at Centrifugal Pump Outlet is the torque developed at the outlet of the centrifugal pump.
Weight of liquid in pump - (Measured in Newton) - Weight of liquid in pump is the mass equivalent force into the liquid entering/exiting the pump.
Velocity of Whirl at Outlet - (Measured in Meter per Second) - The Velocity of Whirl at Outlet is the tangential component of absolute velocity at the blade outlet.
Radius of Impeller at Outlet - (Measured in Meter) - The Radius of Impeller at Outlet is the radius of the impeller at the outlet of the pump.
STEP 1: Convert Input(s) to Base Unit
Weight of liquid in pump: 550 Newton --> 550 Newton No Conversion Required
Velocity of Whirl at Outlet: 16 Meter per Second --> 16 Meter per Second No Conversion Required
Radius of Impeller at Outlet: 0.141 Meter --> 0.141 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
T = (Wl/[g])*Vw2*R2 --> (550/[g])*16*0.141
Evaluating ... ...
T = 126.526387706301
STEP 3: Convert Result to Output's Unit
126.526387706301 Newton Meter --> No Conversion Required
FINAL ANSWER
126.526387706301 126.5264 Newton Meter <-- Torque at Centrifugal Pump Outlet
(Calculation completed in 00.004 seconds)

Credits

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

Torque at outlet Formula

Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet
T = (Wl/[g])*Vw2*R2

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 Torque at outlet?

Torque at outlet calculator uses Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet to calculate the Torque at Centrifugal Pump Outlet, The Torque at outlet formula is defined as the product of velocity of whirl at outlet, impeller radius at outlet and weight of liquid divided by acceleration due to gravity. Torque at Centrifugal Pump Outlet is denoted by T symbol.

How to calculate Torque at outlet using this online calculator? To use this online calculator for Torque at outlet, enter Weight of liquid in pump (Wl), Velocity of Whirl at Outlet (Vw2) & Radius of Impeller at Outlet (R2) and hit the calculate button. Here is how the Torque at outlet calculation can be explained with given input values -> 126.5264 = (550/[g])*16*0.141.

FAQ

What is Torque at outlet?
The Torque at outlet formula is defined as the product of velocity of whirl at outlet, impeller radius at outlet and weight of liquid divided by acceleration due to gravity and is represented as T = (Wl/[g])*Vw2*R2 or Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet. Weight of liquid in pump is the mass equivalent force into the liquid entering/exiting the pump, The Velocity of Whirl at Outlet is the tangential component of absolute velocity at the blade outlet & The Radius of Impeller at Outlet is the radius of the impeller at the outlet of the pump.
How to calculate Torque at outlet?
The Torque at outlet formula is defined as the product of velocity of whirl at outlet, impeller radius at outlet and weight of liquid divided by acceleration due to gravity is calculated using Torque at Centrifugal Pump Outlet = (Weight of liquid in pump/[g])*Velocity of Whirl at Outlet*Radius of Impeller at Outlet. To calculate Torque at outlet, you need Weight of liquid in pump (Wl), Velocity of Whirl at Outlet (Vw2) & Radius of Impeller at Outlet (R2). With our tool, you need to enter the respective value for Weight of liquid in pump, Velocity of Whirl at Outlet & Radius of Impeller at Outlet 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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