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Brake Power given Mean Effective Pressure Formula

GoBrake Power given Mechanical Efficiency Formula

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Brake Power is the power available at the crankshaft. Check FAQs

BP = (P mb \cdot L \cdot A \cdot (N))

BP - Brake Power?P_mb - Brake Mean Effective Pressure?L - Stroke Length?A - Area of Cross Section?N - Engine Speed?

Brake Power given Mean Effective Pressure Example

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Here is how the Brake Power given Mean Effective Pressure equation looks like with Values.

Here is how the Brake Power given Mean Effective Pressure equation looks like with Units.

Here is how the Brake Power given Mean Effective Pressure equation looks like.

0.5529 = (5000 \cdot 8.8 \cdot 30 \cdot (4000))

0.5529kW = (5000Pa \cdot 8.8cm \cdot 30cm² \cdot (4000rev/min))

0.5529 = (5000 \cdot 8.8 \cdot 30 \cdot (4000))

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Brake Power given Mean Effective Pressure Solution

Follow our step by step solution on how to calculate Brake Power given Mean Effective Pressure?

FIRST Step Consider the formula

BP = (P mb \cdot L \cdot A \cdot (N))

Next Step Substitute values of Variables

∴

BP = (5000Pa \cdot 8.8cm \cdot 30cm² \cdot (4000rev/min))

Next Step Convert Units

∴

BP = (5000Pa \cdot 0.088m \cdot 0.003m² \cdot (418.879rad/s))

Next Step Prepare to Evaluate

∴

BP = (5000 \cdot 0.088 \cdot 0.003 \cdot (418.879))

Next Step Evaluate

∴

BP = 552.920307003647W

Next Step Convert to Output's Unit

∴

BP = 0.552920307003647kW

LAST Step Rounding Answer

∴

BP = 0.5529kW

Brake Power given Mean Effective Pressure Formula Elements

Variables

Brake Power

Brake Power is the power available at the crankshaft.

Symbol: BP

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Brake Power

Brake Mean Effective Pressure

Brake Mean Effective Pressure is a calculation of the engine cylinder pressure that would give the measured brake horsepower.

Symbol: P_mb

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Brake Mean Effective Pressure

Stroke Length

Stroke Length is the distance travelled by the piston during each cycle.

Symbol: L

Measurement: LengthUnit: cm

Note: Value should be greater than 0.

Formulas to find Stroke Length

Area of Cross Section

Area of Cross Section is the enclosed surface area, product of length and breadth.

Symbol: A

Measurement: AreaUnit: cm²

Note: Value should be greater than 0.

Formulas to find Area of Cross Section

Engine Speed

Engine Speed is the speed at which the crankshaft of the engine rotates.

Symbol: N

Measurement: Angular VelocityUnit: rev/min

Note: Value should be greater than 0.

Formulas to find Engine Speed

Other Formulas to find Brake Power

Go Brake Power given Mechanical Efficiency

BP = (\frac{η m}{100}) \cdot IP

Other formulas in Important Formulas of Engine Dynamics category

Go Mechanical Efficiency of IC engine

η m = (\frac{BP}{IP}) \cdot 100

Go Indicated Power given Mechanical Efficiency

IP = \frac{BP}{\frac{η m}{100}}

Go Indicated Thermal Efficiency given Indicated Power

IDE = (\frac{IP}{m f \cdot CV}) \cdot 100

Go Brake Thermal Efficiency given Brake Power

η b = (\frac{BP}{m f \cdot CV}) \cdot 100

How to Evaluate Brake Power given Mean Effective Pressure?

Brake Power given Mean Effective Pressure evaluator uses Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed)) to evaluate the Brake Power, The Brake Power given Mean Effective Pressure formula is defined as a calculation of the engine cylinder pressure that would give the measured brake horsepower. Brake Power is denoted by BP symbol.

How to evaluate Brake Power given Mean Effective Pressure using this online evaluator? To use this online evaluator for Brake Power given Mean Effective Pressure, enter Brake Mean Effective Pressure (P_mb), Stroke Length (L), Area of Cross Section (A) & Engine Speed (N) and hit the calculate button.

FAQs on Brake Power given Mean Effective Pressure

What is the formula to find Brake Power given Mean Effective Pressure?

The formula of Brake Power given Mean Effective Pressure is expressed as Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed)). Here is an example- 0.000553 = (5000*0.088*0.003*(418.879020457308)).

How to calculate Brake Power given Mean Effective Pressure?

With Brake Mean Effective Pressure (P_mb), Stroke Length (L), Area of Cross Section (A) & Engine Speed (N) we can find Brake Power given Mean Effective Pressure using the formula - Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed)).

What are the other ways to Calculate Brake Power?

Here are the different ways to Calculate Brake Power-

Brake Power=(Mechanical Efficiency/100)*Indicated Power

Can the Brake Power given Mean Effective Pressure be negative?

No, the Brake Power given Mean Effective Pressure, measured in Power cannot be negative.

Which unit is used to measure Brake Power given Mean Effective Pressure?

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

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Brake Power given Mean Effective Pressure Formula

​GoBrake Power given Mechanical Efficiency Formula

Brake Power given Mean Effective Pressure Example

Brake Power given Mean Effective Pressure Solution

Brake Power given Mean Effective Pressure Formula Elements

Other Formulas to find Brake Power

Other formulas in Important Formulas of Engine Dynamics category

How to Evaluate Brake Power given Mean Effective Pressure?

FAQs on Brake Power given Mean Effective Pressure

Variable Name

GoBrake Power given Mechanical Efficiency Formula