Frictional mean effective pressure Calculator

✖Indicated Mean Effective Pressure is the average pressure acting on a piston during the different portions of its cycle.ⓘ Indicated Mean Effective Pressure [P_ime]			+10% -10%
✖Brake Mean Effective Pressure is a calculation of the engine cylinder pressure that would give the measured brake horsepower.ⓘ Brake Mean Effective Pressure [P_mb]			+10% -10%

✖Frictional Mean Effective Pressure is the mean effective pressure lost due to friction.ⓘ Frictional mean effective pressure [P_fme]

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Frictional mean effective pressure Solution

STEP 0: Pre-Calculation Summary

Formula Used

Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure
P_fme = P_ime-P_mb
This formula uses 3 Variables

Variables Used

Frictional Mean Effective Pressure - (Measured in Pascal) - Frictional Mean Effective Pressure is the mean effective pressure lost due to friction.
Indicated Mean Effective Pressure - (Measured in Pascal) - Indicated Mean Effective Pressure is the average pressure acting on a piston during the different portions of its cycle.
Brake Mean Effective Pressure - (Measured in Pascal) - Brake Mean Effective Pressure is a calculation of the engine cylinder pressure that would give the measured brake horsepower.

STEP 1: Convert Input(s) to Base Unit

Indicated Mean Effective Pressure: 400 Pascal --> 400 Pascal No Conversion Required
Brake Mean Effective Pressure: 350 Pascal --> 350 Pascal No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_fme = P_ime-P_mb --> 400-350

Evaluating ... ...

P_fme = 50

STEP 3: Convert Result to Output's Unit

50 Pascal --> No Conversion Required

FINAL ANSWER

50 Pascal <-- Frictional Mean Effective Pressure

(Calculation completed in 00.004 seconds)

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Credits

Created by Syed Adnan

Ramaiah University of Applied Sciences (RUAS), bangalore

Syed Adnan has created this Calculator and 200+ more calculators!

Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

Anshika Arya has verified this Calculator and 2500+ more calculators!

< For 4 Stroke Engine Calculators

Indicated Power of Four-stroke Engine

LaTeX Go Indicated Power = (Number of Cylinders*Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))/(2)

Brake Mean Effective Pressure of 4S Engines given Brake power

LaTeX Go Brake Mean Effective Pressure = (2*Brake Power)/(Stroke Length*Area of Cross Section*(Engine Speed))

Bmep given engine torque

LaTeX Go Brake Mean Effective Pressure = (2*pi*Engine Torque*Engine Speed)/Mean Piston Speed

Horsepower of engine

LaTeX Go Horsepower of Engine = (Engine Torque*Engine RPM)/5252

Frictional mean effective pressure Formula

LaTeX Go

Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure
P_fme = P_ime-P_mb

Explain frictional mean effective pressure.

Theoretical mean effective pressure required to overcome engine friction, can be thought of as mean effective pressure lost due to friction. Friction mean effective pressure calculation requires accurate measurement of cylinder pressure and dynamometer brake torque.

How to Calculate Frictional mean effective pressure?

Frictional mean effective pressure calculator uses Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure to calculate the Frictional Mean Effective Pressure, The Frictional mean effective pressure formula is defined as the effective pressure in the engine cylinder that is lost due to friction between reciprocating parts of the engine. Frictional Mean Effective Pressure is denoted by P_fme symbol.

How to calculate Frictional mean effective pressure using this online calculator? To use this online calculator for Frictional mean effective pressure, enter Indicated Mean Effective Pressure (P_ime) & Brake Mean Effective Pressure (P_mb) and hit the calculate button. Here is how the Frictional mean effective pressure calculation can be explained with given input values -> 50 = 400-350.

FAQ

What is Frictional mean effective pressure?

The Frictional mean effective pressure formula is defined as the effective pressure in the engine cylinder that is lost due to friction between reciprocating parts of the engine and is represented as P_fme = P_ime-P_mb or Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure. Indicated Mean Effective Pressure is the average pressure acting on a piston during the different portions of its cycle & Brake Mean Effective Pressure is a calculation of the engine cylinder pressure that would give the measured brake horsepower.

How to calculate Frictional mean effective pressure?

The Frictional mean effective pressure formula is defined as the effective pressure in the engine cylinder that is lost due to friction between reciprocating parts of the engine is calculated using Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure. To calculate Frictional mean effective pressure, you need Indicated Mean Effective Pressure (P_ime) & Brake Mean Effective Pressure (P_mb). With our tool, you need to enter the respective value for Indicated Mean Effective Pressure & Brake Mean Effective Pressure and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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