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Work done per second for Centrifugal pumps Formula

GoWork done per second given Torque Formula

GoWork done per second when Flow at Inlet is not Radial Formula

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Work Done by Pump per Second is the amount of total work that has been done by the Centrifugal Pump. Check FAQs

W = (\frac{W l}{[g]}) \cdot V w2 \cdot u 2

W - Work Done by Pump Per Second?W_l - Weight of Liquid in Pump?V_w2 - Velocity of Whirl at Outlet?u₂ - Tangential Velocity of Impeller at Outlet?[g] - Gravitational acceleration on Earth?

Work done per second for Centrifugal pumps Example

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Here is how the Work done per second for Centrifugal pumps equation looks like with Values.

Here is how the Work done per second for Centrifugal pumps equation looks like with Units.

Here is how the Work done per second for Centrifugal pumps equation looks like.

17049.6551 = (\frac{550}{9.8066}) \cdot 16 \cdot 19

17049.6551N*m = (\frac{550N}{9.8066m/s²}) \cdot 16m/s \cdot 19m/s

17049.6551 = (\frac{550}{9.8066}) \cdot 16 \cdot 19

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Work done per second for Centrifugal pumps Solution

Follow our step by step solution on how to calculate Work done per second for Centrifugal pumps?

FIRST Step Consider the formula

W = (\frac{W l}{[g]}) \cdot V w2 \cdot u 2

Next Step Substitute values of Variables

∴

W = (\frac{550N}{[g]}) \cdot 16m/s \cdot 19m/s

Next Step Substitute values of Constants

∴

W = (\frac{550N}{9.8066m/s²}) \cdot 16m/s \cdot 19m/s

Next Step Prepare to Evaluate

∴

W = (\frac{550}{9.8066}) \cdot 16 \cdot 19

Next Step Evaluate

∴

W = 17049.655080991J

Next Step Convert to Output's Unit

∴

W = 17049.655080991N*m

LAST Step Rounding Answer

∴

W = 17049.6551N*m

Work done per second for Centrifugal pumps Formula Elements

Variables

Constants

Work Done by Pump Per Second

Work Done by Pump per Second is the amount of total work that has been done by the Centrifugal Pump.

Symbol: W

Measurement: EnergyUnit: N*m

Note: Value should be greater than 0.

Formulas to find Work Done by Pump Per Second

Weight of Liquid in Pump

Weight of liquid in pump is the mass equivalent force into the liquid entering/exiting the pump.

Symbol: W_l

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Weight of Liquid in Pump

Velocity of Whirl at Outlet

The Velocity of Whirl at Outlet is the tangential component of absolute velocity at the blade outlet.

Symbol: V_w2

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity of Whirl at Outlet

Tangential Velocity of Impeller at Outlet

The Tangential Velocity of Impeller at Outlet is the velocity of the impeller at the fluid outlet.

Symbol: u₂

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Tangential Velocity of Impeller at Outlet

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Other Formulas to find Work Done by Pump Per Second

Go Work done per second given Torque

W = T \cdot ω

Go Work done per second when Flow at Inlet is not Radial

W = (\frac{W l}{[g]}) \cdot ((V w2 \cdot u 2) - (V w1 \cdot u 1))

Other formulas in Pump Parameters category

Go Angular Velocity of Centrifugal Pump

ω = \frac{2 \cdot π \cdot N r}{60}

Go Minimum speed for starting centrifugal pump

N min = \frac{120 \cdot η m \cdot V w2 \cdot D 2}{π \cdot ({D 2}^{2} - {D 1}^{2})} \cdot (\frac{2 \cdot π}{60})

Go Volumetric Efficiency of Pump given Discharge and Leakage of Liquid

η vol = \frac{Q}{Q + q}

Go Output power

OP = \frac{w \cdot Q \cdot H m}{1000}

How to Evaluate Work done per second for Centrifugal pumps?

Work done per second for Centrifugal pumps evaluator uses Work Done by Pump Per Second = (Weight of Liquid in Pump/[g])*Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet to evaluate the Work Done by Pump Per Second, Work done per second for Centrifugal pumps formula is defined as the rate of energy transferred per unit time, which is a critical parameter in evaluating the performance of centrifugal pumps, as it directly affects the pump's efficiency and overall system operation. Work Done by Pump Per Second is denoted by W symbol.

How to evaluate Work done per second for Centrifugal pumps using this online evaluator? To use this online evaluator for Work done per second for Centrifugal pumps, enter Weight of Liquid in Pump (W_l), Velocity of Whirl at Outlet (V_w2) & Tangential Velocity of Impeller at Outlet (u₂) and hit the calculate button.

FAQs on Work done per second for Centrifugal pumps

What is the formula to find Work done per second for Centrifugal pumps?

The formula of Work done per second for Centrifugal pumps is expressed as Work Done by Pump Per Second = (Weight of Liquid in Pump/[g])*Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet. Here is an example- 17049.66 = (550/[g])*16*19.

How to calculate Work done per second for Centrifugal pumps?

With Weight of Liquid in Pump (W_l), Velocity of Whirl at Outlet (V_w2) & Tangential Velocity of Impeller at Outlet (u₂) we can find Work done per second for Centrifugal pumps using the formula - Work Done by Pump Per Second = (Weight of Liquid in Pump/[g])*Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet. This formula also uses Gravitational acceleration on Earth constant(s).

What are the other ways to Calculate Work Done by Pump Per Second?

Here are the different ways to Calculate Work Done by Pump Per Second-

Work Done by Pump Per Second=Torque at Centrifugal Pump Outlet*Angular Velocity
Work Done by Pump Per Second=(Weight of Liquid in Pump/[g])*((Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet)-(Velocity of Whirl at Inlet*Tangential Velocity of Impeller at Inlet))

Can the Work done per second for Centrifugal pumps be negative?

No, the Work done per second for Centrifugal pumps, measured in Energy cannot be negative.

Which unit is used to measure Work done per second for Centrifugal pumps?

Work done per second for Centrifugal pumps is usually measured using the Newton Meter[N*m] for Energy. Joule[N*m], Kilojoule[N*m], Gigajoule[N*m] are the few other units in which Work done per second for Centrifugal pumps can be measured.

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Work done per second for Centrifugal pumps Formula

​GoWork done per second given Torque Formula

​GoWork done per second when Flow at Inlet is not Radial Formula

Work done per second for Centrifugal pumps Example

Work done per second for Centrifugal pumps Solution

Work done per second for Centrifugal pumps Formula Elements

Other Formulas to find Work Done by Pump Per Second

Other formulas in Pump Parameters category

How to Evaluate Work done per second for Centrifugal pumps?

FAQs on Work done per second for Centrifugal pumps

Variable Name

GoWork done per second given Torque Formula

GoWork done per second when Flow at Inlet is not Radial Formula