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Efficiency of Propulsion given Head Loss due to Friction Formula

GoEfficiency of Propulsion Formula

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Efficiency of Jet is an electric motor is defined as the ratio of usable shaft power to electric input power. Check FAQs

η = 2 \cdot V \cdot \frac{u}{{(V + u)}^{2} + 2 \cdot [g] \cdot h}

η - Efficiency of Jet?V - Absolute Velocity of Issuing Jet?u - Velocity of Ship?h - Impulse Height?[g] - Gravitational acceleration on Earth?

Efficiency of Propulsion given Head Loss due to Friction Example

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Here is how the Efficiency of Propulsion given Head Loss due to Friction equation looks like with Values.

Here is how the Efficiency of Propulsion given Head Loss due to Friction equation looks like with Units.

Here is how the Efficiency of Propulsion given Head Loss due to Friction equation looks like.

0.1449 = 2 \cdot 6 \cdot \frac{4.1}{{(6 + 4.1)}^{2} + 2 \cdot 9.8066 \cdot 12.11}

0.1449 = 2 \cdot 6m/s \cdot \frac{4.1m/s}{{(6m/s + 4.1m/s)}^{2} + 2 \cdot 9.8066m/s² \cdot 12.11m}

0.1449 = 2 \cdot 6 \cdot \frac{4.1}{{(6 + 4.1)}^{2} + 2 \cdot 9.8066 \cdot 12.11}

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Efficiency of Propulsion given Head Loss due to Friction Solution

Follow our step by step solution on how to calculate Efficiency of Propulsion given Head Loss due to Friction?

FIRST Step Consider the formula

η = 2 \cdot V \cdot \frac{u}{{(V + u)}^{2} + 2 \cdot [g] \cdot h}

Next Step Substitute values of Variables

∴

η = 2 \cdot 6m/s \cdot \frac{4.1m/s}{{(6m/s + 4.1m/s)}^{2} + 2 \cdot [g] \cdot 12.11m}

Next Step Substitute values of Constants

∴

η = 2 \cdot 6m/s \cdot \frac{4.1m/s}{{(6m/s + 4.1m/s)}^{2} + 2 \cdot 9.8066m/s² \cdot 12.11m}

Next Step Prepare to Evaluate

∴

η = 2 \cdot 6 \cdot \frac{4.1}{{(6 + 4.1)}^{2} + 2 \cdot 9.8066 \cdot 12.11}

Next Step Evaluate

∴

η = 0.144907447333587

LAST Step Rounding Answer

∴

η = 0.1449

Efficiency of Propulsion given Head Loss due to Friction Formula Elements

Variables

Constants

Efficiency of Jet

Efficiency of Jet is an electric motor is defined as the ratio of usable shaft power to electric input power.

Symbol: η

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Efficiency of Jet

Absolute Velocity of Issuing Jet

Absolute Velocity of Issuing Jet is actual velocity of jet used in propeller.

Symbol: V

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Absolute Velocity of Issuing Jet

Velocity of Ship

Velocity of Ship is velocity of jet in ship that makes it move.

Symbol: u

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity of Ship

Impulse Height

Impulse height is the distance between the lowest and highest points of a person/ shape/ object standing upright.

Symbol: h

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Impulse Height

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 Efficiency of Jet

Go Efficiency of Propulsion

η = 2 \cdot V \cdot \frac{u}{{(V + u)}^{2}}

Other formulas in Jet Propulsion of Ships category

Go Kinetic Energy of Water

KE = W Water \cdot \frac{{V f}^{2}}{2 \cdot [g]}

Go Velocity of Jet Relative to Motion of Ship given Kinetic Energy

V r = \sqrt{KE \cdot 2 \cdot \frac{[g]}{W body}}

Go Absolute Velocity of Issuing Jet given Relative Velocity

V = V r - u

Go Velocity of Moving Ship given Relative Velocity

u = V r - V

How to Evaluate Efficiency of Propulsion given Head Loss due to Friction?

Efficiency of Propulsion given Head Loss due to Friction evaluator uses Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2+2*[g]*Impulse Height) to evaluate the Efficiency of Jet, The Efficiency of Propulsion given head Loss due to Friction is defined as the ratio of power delivered to that of actual power delivered on the jet. Efficiency of Jet is denoted by η symbol.

How to evaluate Efficiency of Propulsion given Head Loss due to Friction using this online evaluator? To use this online evaluator for Efficiency of Propulsion given Head Loss due to Friction, enter Absolute Velocity of Issuing Jet (V), Velocity of Ship (u) & Impulse Height (h) and hit the calculate button.

FAQs on Efficiency of Propulsion given Head Loss due to Friction

What is the formula to find Efficiency of Propulsion given Head Loss due to Friction?

The formula of Efficiency of Propulsion given Head Loss due to Friction is expressed as Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2+2*[g]*Impulse Height). Here is an example- 0.261846 = 2*6*4.1/((6+4.1)^2+2*[g]*12.11).

How to calculate Efficiency of Propulsion given Head Loss due to Friction?

With Absolute Velocity of Issuing Jet (V), Velocity of Ship (u) & Impulse Height (h) we can find Efficiency of Propulsion given Head Loss due to Friction using the formula - Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2+2*[g]*Impulse Height). This formula also uses Gravitational acceleration on Earth constant(s).

What are the other ways to Calculate Efficiency of Jet?

Here are the different ways to Calculate Efficiency of Jet-

Efficiency of Jet=2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2)

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Efficiency of Propulsion given Head Loss due to Friction Formula

​GoEfficiency of Propulsion Formula

Efficiency of Propulsion given Head Loss due to Friction Example

Efficiency of Propulsion given Head Loss due to Friction Solution

Efficiency of Propulsion given Head Loss due to Friction Formula Elements

Other Formulas to find Efficiency of Jet

Other formulas in Jet Propulsion of Ships category

How to Evaluate Efficiency of Propulsion given Head Loss due to Friction?

FAQs on Efficiency of Propulsion given Head Loss due to Friction

Variable Name

GoEfficiency of Propulsion Formula