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Indicated mean effective pressure given mechanical efficiency Formula

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Indicated Mean Effective Pressure is the average pressure acting on a piston during the different portions of its cycle. Check FAQs

P ime = \frac{P mb}{η m}

P_ime - Indicated Mean Effective Pressure?P_mb - Brake Mean Effective Pressure?η_m - Mechanical Efficiency of IC Engine?

Indicated mean effective pressure given mechanical efficiency Example

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Here is how the Indicated mean effective pressure given mechanical efficiency equation looks like with Values.

Here is how the Indicated mean effective pressure given mechanical efficiency equation looks like with Units.

Here is how the Indicated mean effective pressure given mechanical efficiency equation looks like.

437.5 = \frac{350}{0.8}

437.5Pa = \frac{350Pa}{0.8}

437.5 = \frac{350}{0.8}

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Indicated mean effective pressure given mechanical efficiency Solution

Follow our step by step solution on how to calculate Indicated mean effective pressure given mechanical efficiency?

FIRST Step Consider the formula

P ime = \frac{P mb}{η m}

Next Step Substitute values of Variables

∴

P ime = \frac{350Pa}{0.8}

Next Step Prepare to Evaluate

∴

P ime = \frac{350}{0.8}

LAST Step Evaluate

∴

P ime = 437.5Pa

Indicated mean effective pressure given mechanical efficiency Formula Elements

Variables

Indicated Mean Effective Pressure

Indicated Mean Effective Pressure is the average pressure acting on a piston during the different portions of its cycle.

Symbol: P_ime

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Indicated Mean Effective Pressure

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

Mechanical Efficiency of IC Engine

Mechanical Efficiency of IC Engine is defined as the ratio of brake power (delivered power) to the indicated power (power provided to the piston).

Symbol: η_m

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Mechanical Efficiency of IC Engine

Other formulas in For 4 Stroke Engine category

Go Brake Mean Effective Pressure of 4S Engines given Brake power

P mb = \frac{2 \cdot BP}{L \cdot A c \cdot (N)}

Go Indicated Power of Four-stroke Engine

IP = \frac{k \cdot MEP \cdot L \cdot A c \cdot (N)}{2}

Go Horsepower of engine

HP = \frac{T \cdot E rpm}{5252}

Go Bmep given engine torque

P mb = \frac{2 \cdot π \cdot T \cdot N}{s p}

How to Evaluate Indicated mean effective pressure given mechanical efficiency?

Indicated mean effective pressure given mechanical efficiency evaluator uses Indicated Mean Effective Pressure = Brake Mean Effective Pressure/Mechanical Efficiency of IC Engine to evaluate the Indicated Mean Effective Pressure, The Indicated mean effective pressure given mechanical efficiency formula is defined as the average pressure acting on a piston during the different portions of its cycle. Indicated Mean Effective Pressure is denoted by P_ime symbol.

How to evaluate Indicated mean effective pressure given mechanical efficiency using this online evaluator? To use this online evaluator for Indicated mean effective pressure given mechanical efficiency, enter Brake Mean Effective Pressure (P_mb) & Mechanical Efficiency of IC Engine (η_m) and hit the calculate button.

FAQs on Indicated mean effective pressure given mechanical efficiency

What is the formula to find Indicated mean effective pressure given mechanical efficiency?

The formula of Indicated mean effective pressure given mechanical efficiency is expressed as Indicated Mean Effective Pressure = Brake Mean Effective Pressure/Mechanical Efficiency of IC Engine. Here is an example- 437.5 = 350/0.8.

How to calculate Indicated mean effective pressure given mechanical efficiency?

With Brake Mean Effective Pressure (P_mb) & Mechanical Efficiency of IC Engine (η_m) we can find Indicated mean effective pressure given mechanical efficiency using the formula - Indicated Mean Effective Pressure = Brake Mean Effective Pressure/Mechanical Efficiency of IC Engine.

Can the Indicated mean effective pressure given mechanical efficiency be negative?

No, the Indicated mean effective pressure given mechanical efficiency, measured in Pressure cannot be negative.

Which unit is used to measure Indicated mean effective pressure given mechanical efficiency?

Indicated mean effective pressure given mechanical efficiency is usually measured using the Pascal[Pa] for Pressure. Kilopascal[Pa], Bar[Pa], Pound Per Square Inch[Pa] are the few other units in which Indicated mean effective pressure given mechanical efficiency can be measured.

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