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Indicated Power of 4 Stroke Engine Formula

GoIndicated Power using Brake Power and Friction Power Formula

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Indicated Power of 4 Stroke is a measure of the power output of a 4 stroke diesel engine based on the pressure exerted on the piston during the combustion process. Check FAQs

P 4i = \frac{IMEP \cdot A \cdot L \cdot (\frac{N}{2}) \cdot N c}{60}

P_4i - Indicated Power of 4 Stroke?IMEP - Indicated Mean Effective Pressure?A - Piston Area?L - Stroke of Piston?N - RPM?N_c - Number of Cylinders?

Indicated Power of 4 Stroke Engine Example

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Here is how the Indicated Power of 4 Stroke Engine equation looks like with Values.

Here is how the Indicated Power of 4 Stroke Engine equation looks like with Units.

Here is how the Indicated Power of 4 Stroke Engine equation looks like.

7553 = \frac{6.5 \cdot 0.166 \cdot 600 \cdot (\frac{7000}{2}) \cdot 2}{60}

7553kW = \frac{6.5Bar \cdot 0.166m² \cdot 600mm \cdot (\frac{7000rad/s}{2}) \cdot 2}{60}

7553 = \frac{6.5 \cdot 0.166 \cdot 600 \cdot (\frac{7000}{2}) \cdot 2}{60}

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Indicated Power of 4 Stroke Engine Solution

Follow our step by step solution on how to calculate Indicated Power of 4 Stroke Engine?

FIRST Step Consider the formula

P 4i = \frac{IMEP \cdot A \cdot L \cdot (\frac{N}{2}) \cdot N c}{60}

Next Step Substitute values of Variables

∴

P 4i = \frac{6.5Bar \cdot 0.166m² \cdot 600mm \cdot (\frac{7000rad/s}{2}) \cdot 2}{60}

Next Step Convert Units

∴

P 4i = \frac{650000Pa \cdot 0.166m² \cdot 0.6m \cdot (\frac{7000rad/s}{2}) \cdot 2}{60}

Next Step Prepare to Evaluate

∴

P 4i = \frac{650000 \cdot 0.166 \cdot 0.6 \cdot (\frac{7000}{2}) \cdot 2}{60}

Next Step Evaluate

∴

P 4i = 7553000W

LAST Step Convert to Output's Unit

∴

P 4i = 7553kW

Indicated Power of 4 Stroke Engine Formula Elements

Variables

Indicated Power of 4 Stroke

Indicated Power of 4 Stroke is a measure of the power output of a 4 stroke diesel engine based on the pressure exerted on the piston during the combustion process.

Symbol: P_4i

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Indicated Power of 4 Stroke

Indicated Mean Effective Pressure

Indicated Mean Effective Pressure can be thought of as the pressure that persists in the cylinder during the entirety of one cycle of the engine.

Symbol: IMEP

Measurement: PressureUnit: Bar

Note: Value should be greater than 0.

Formulas to find Indicated Mean Effective Pressure

Piston Area

Piston Area is defined as the total space occupied by the piston of a diesel engine.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Piston Area

Stroke of Piston

Stroke of Piston is the distance that the piston travels between its top dead center (TDC) and bottom dead center (BDC) positions during each cycle of the engine.

Symbol: L

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Stroke of Piston

RPM

RPM is speed in Rotation per Minute.

Symbol: N

Measurement: Angular VelocityUnit: rad/s

Note: Value should be greater than 0.

Formulas to find RPM

Number of Cylinders

Number of Cylinders is the number of cylinders present in the diesel engine.

Symbol: N_c

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Cylinders

Other Formulas to find Indicated Power of 4 Stroke

Go Indicated Power using Brake Power and Friction Power

P 4i = P 4b + P f

Other formulas in Diesel Engine Power Plant category

Go Area of Piston given Piston Bore

A = (\frac{π}{4}) \cdot B^{2}

Go Work Done per Cycle

W = IMEP \cdot A \cdot L

Go Indicated Power of 2 Stroke Engine

P i2 = \frac{IMEP \cdot A \cdot L \cdot N \cdot N c}{60}

Go Break Power of 4 Stroke Diesel Engine

P 4b = \frac{2 \cdot π \cdot τ \cdot (\frac{N}{2})}{60}

How to Evaluate Indicated Power of 4 Stroke Engine?

Indicated Power of 4 Stroke Engine evaluator uses Indicated Power of 4 Stroke = (Indicated Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/60 to evaluate the Indicated Power of 4 Stroke, The Indicated Power of 4 Stroke Engine formula is defined as the power produced by the engine's combustion process as measured by a device called an indicator. This measurement represents the engine's potential power output and can be used to optimize the engine's performance and fuel efficiency. Indicated Power of 4 Stroke is denoted by P_4i symbol.

How to evaluate Indicated Power of 4 Stroke Engine using this online evaluator? To use this online evaluator for Indicated Power of 4 Stroke Engine, enter Indicated Mean Effective Pressure (IMEP), Piston Area (A), Stroke of Piston (L), RPM (N) & Number of Cylinders (N_c) and hit the calculate button.

FAQs on Indicated Power of 4 Stroke Engine

What is the formula to find Indicated Power of 4 Stroke Engine?

The formula of Indicated Power of 4 Stroke Engine is expressed as Indicated Power of 4 Stroke = (Indicated Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/60. Here is an example- 7.553 = (650000*0.166*0.6*(7000/2)*2)/60.

How to calculate Indicated Power of 4 Stroke Engine?

With Indicated Mean Effective Pressure (IMEP), Piston Area (A), Stroke of Piston (L), RPM (N) & Number of Cylinders (N_c) we can find Indicated Power of 4 Stroke Engine using the formula - Indicated Power of 4 Stroke = (Indicated Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/60.

What are the other ways to Calculate Indicated Power of 4 Stroke?

Here are the different ways to Calculate Indicated Power of 4 Stroke-

Indicated Power of 4 Stroke=Brake Power of 4 Stroke+Friction Power

Can the Indicated Power of 4 Stroke Engine be negative?

No, the Indicated Power of 4 Stroke Engine, measured in Power cannot be negative.

Which unit is used to measure Indicated Power of 4 Stroke Engine?

Indicated Power of 4 Stroke Engine is usually measured using the Kilowatt[kW] for Power. Watt[kW], Milliwatt[kW], Microwatt[kW] are the few other units in which Indicated Power of 4 Stroke Engine can be measured.

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Indicated Power of 4 Stroke Engine Formula

​GoIndicated Power using Brake Power and Friction Power Formula

Indicated Power of 4 Stroke Engine Example

Indicated Power of 4 Stroke Engine Solution

Indicated Power of 4 Stroke Engine Formula Elements

Other Formulas to find Indicated Power of 4 Stroke

Other formulas in Diesel Engine Power Plant category

How to Evaluate Indicated Power of 4 Stroke Engine?

FAQs on Indicated Power of 4 Stroke Engine

Variable Name

GoIndicated Power using Brake Power and Friction Power Formula