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Shaft Power Formula

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Shaft Power is the mechanical power transmitted from one rotating element of a vehicle, ship, and all types of machinery to another. Check FAQs

W shaft = 2 \cdot π \cdot ṅ \cdot τ

W_shaft - Shaft Power?ṅ - Revolutions per Second?τ - Torque Exerted on Wheel?π - Archimedes' constant?

Shaft Power Example

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With units

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Here is how the Shaft Power equation looks like with Values.

Here is how the Shaft Power equation looks like with Units.

Here is how the Shaft Power equation looks like.

2.1991 = 2 \cdot 3.1416 \cdot 7 \cdot 50

2.1991kW = 2 \cdot 3.1416 \cdot 7Hz \cdot 50N*m

2.1991 = 2 \cdot 3.1416 \cdot 7 \cdot 50

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Shaft Power Solution

Follow our step by step solution on how to calculate Shaft Power?

FIRST Step Consider the formula

W shaft = 2 \cdot π \cdot ṅ \cdot τ

Next Step Substitute values of Variables

∴

W shaft = 2 \cdot π \cdot 7Hz \cdot 50N*m

Next Step Substitute values of Constants

∴

W shaft = 2 \cdot 3.1416 \cdot 7Hz \cdot 50N*m

Next Step Prepare to Evaluate

∴

W shaft = 2 \cdot 3.1416 \cdot 7 \cdot 50

Next Step Evaluate

∴

W shaft = 2199.11485751285W

Next Step Convert to Output's Unit

∴

W shaft = 2.19911485751286kW

LAST Step Rounding Answer

∴

W shaft = 2.1991kW

Shaft Power Formula Elements

Variables

Constants

Shaft Power

Shaft Power is the mechanical power transmitted from one rotating element of a vehicle, ship, and all types of machinery to another.

Symbol: W_shaft

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Shaft Power

Revolutions per Second

Revolutions per second are the number of times the shaft rotates in a second. It is a frequency unit.

Symbol: ṅ

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Revolutions per Second

Torque Exerted on Wheel

Torque Exerted on Wheel is described as the turning effect of force on the axis of rotation. In brief, it is a moment of force. It is characterized by τ.

Symbol: τ

Measurement: TorqueUnit: N*m

Note: Value should be greater than 0.

Formulas to find Torque Exerted on Wheel

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

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How to Evaluate Shaft Power?

Shaft Power evaluator uses Shaft Power = 2*pi*Revolutions per Second*Torque Exerted on Wheel to evaluate the Shaft Power, Shaft Power is the mechanical power transmitted from one rotating element of a vehicle, ship, and all types of machinery to another. Shaft Power is denoted by W_shaft symbol.

How to evaluate Shaft Power using this online evaluator? To use this online evaluator for Shaft Power, enter Revolutions per Second (ṅ) & Torque Exerted on Wheel (τ) and hit the calculate button.

FAQs on Shaft Power

What is the formula to find Shaft Power?

The formula of Shaft Power is expressed as Shaft Power = 2*pi*Revolutions per Second*Torque Exerted on Wheel. Here is an example- 0.002199 = 2*pi*7*50.

How to calculate Shaft Power?

With Revolutions per Second (ṅ) & Torque Exerted on Wheel (τ) we can find Shaft Power using the formula - Shaft Power = 2*pi*Revolutions per Second*Torque Exerted on Wheel. This formula also uses Archimedes' constant .

Can the Shaft Power be negative?

No, the Shaft Power, measured in Power cannot be negative.

Which unit is used to measure Shaft Power?

Shaft Power is usually measured using the Kilowatt[kW] for Power. Watt[kW], Milliwatt[kW], Microwatt[kW] are the few other units in which Shaft Power can be measured.

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Shaft Power Formula

Shaft Power Example

Shaft Power Solution

Shaft Power Formula Elements

Other formulas in Application of Thermodynamics to Flow Processes category

How to Evaluate Shaft Power?

FAQs on Shaft Power

Variable Name