FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Efficiency of Propulsion Formula

GoEfficiency of Propulsion given Head Loss due to Friction Formula

Fx Copy

LaTeX Copy

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}}

η - Efficiency of Jet?V - Absolute Velocity of Issuing Jet?u - Velocity of Ship?

Efficiency of Propulsion Example

With values

With units

Only example

Here is how the Efficiency of Propulsion equation looks like with Values.

Here is how the Efficiency of Propulsion equation looks like with Units.

Here is how the Efficiency of Propulsion equation looks like.

0.4823 = 2 \cdot 6 \cdot \frac{4.1}{{(6 + 4.1)}^{2}}

0.4823 = 2 \cdot 6m/s \cdot \frac{4.1m/s}{{(6m/s + 4.1m/s)}^{2}}

0.4823 = 2 \cdot 6 \cdot \frac{4.1}{{(6 + 4.1)}^{2}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Civil » Category

Hydraulics and Waterworks » fx Efficiency of Propulsion

Efficiency of Propulsion Solution

Follow our step by step solution on how to calculate Efficiency of Propulsion?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

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

Next Step Prepare to Evaluate

∴

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

Next Step Evaluate

∴

η = 0.482305656308205

LAST Step Rounding Answer

∴

η = 0.4823

Efficiency of Propulsion Formula Elements

Variables

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

Other Formulas to find Efficiency of Jet

Go Efficiency of Propulsion given Head Loss due to Friction

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

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?

Efficiency of Propulsion evaluator uses Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2) to evaluate the Efficiency of Jet, The Efficiency of Propulsion is defined as the effectiveness and productivity of a propulsion system in converting energy into forward motion, typically measured by the ratio of useful work output to the energy input. Efficiency of Jet is denoted by η symbol.

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

FAQs on Efficiency of Propulsion

What is the formula to find Efficiency of Propulsion?

The formula of Efficiency of Propulsion is expressed as Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2). Here is an example- 0.350677 = 2*6*4.1/((6+4.1)^2).

How to calculate Efficiency of Propulsion?

With Absolute Velocity of Issuing Jet (V) & Velocity of Ship (u) we can find Efficiency of Propulsion using the formula - Efficiency of Jet = 2*Absolute Velocity of Issuing Jet*Velocity of Ship/((Absolute Velocity of Issuing Jet+Velocity of Ship)^2).

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+2*[g]*Impulse Height)

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Efficiency of Propulsion Formula

​GoEfficiency of Propulsion given Head Loss due to Friction Formula

Efficiency of Propulsion Example

Efficiency of Propulsion Solution

Efficiency of Propulsion Formula Elements

Other Formulas to find Efficiency of Jet

Other formulas in Jet Propulsion of Ships category

How to Evaluate Efficiency of Propulsion?

FAQs on Efficiency of Propulsion

Variable Name

GoEfficiency of Propulsion given Head Loss due to Friction Formula