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Thermal Efficiency using Indicated Power and Brake Power Formula

GoThermal Efficiency of Diesel Engine Power Plant Formula

GoThermal Efficiency using Indicated Power and Fuel Consumption Rate Formula

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Indicated Thermal Efficiency is a measure of the engine's ability to convert the chemical energy in the fuel into useful mechanical work, based on the energy released during the combustion process. Check FAQs

ITE = BTE \cdot \frac{P 4i}{P 4b}

ITE - Indicated Thermal Efficiency?BTE - Brake Thermal Efficiency?P_4i - Indicated Power of 4 Stroke?P_4b - Brake Power of 4 Stroke?

Thermal Efficiency using Indicated Power and Brake Power Example

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Here is how the Thermal Efficiency using Indicated Power and Brake Power equation looks like with Values.

Here is how the Thermal Efficiency using Indicated Power and Brake Power equation looks like with Units.

Here is how the Thermal Efficiency using Indicated Power and Brake Power equation looks like.

0.5047 = 0.37 \cdot \frac{7553}{5537}

0.5047 = 0.37 \cdot \frac{7553kW}{5537kW}

0.5047 = 0.37 \cdot \frac{7553}{5537}

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Thermal Efficiency using Indicated Power and Brake Power Solution

Follow our step by step solution on how to calculate Thermal Efficiency using Indicated Power and Brake Power?

FIRST Step Consider the formula

ITE = BTE \cdot \frac{P 4i}{P 4b}

Next Step Substitute values of Variables

∴

ITE = 0.37 \cdot \frac{7553kW}{5537kW}

Next Step Convert Units

∴

ITE = 0.37 \cdot \frac{7.6E+6W}{5.5E+6W}

Next Step Prepare to Evaluate

∴

ITE = 0.37 \cdot \frac{7.6E+6}{5.5E+6}

Next Step Evaluate

∴

ITE = 0.504715549936789

LAST Step Rounding Answer

∴

ITE = 0.5047

Thermal Efficiency using Indicated Power and Brake Power Formula Elements

Variables

Indicated Thermal Efficiency

Indicated Thermal Efficiency is a measure of the engine's ability to convert the chemical energy in the fuel into useful mechanical work, based on the energy released during the combustion process.

Symbol: ITE

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Indicated Thermal Efficiency

Brake Thermal Efficiency

Brake Thermal Efficiency is defined as the ratio of the net work output of the engine to the energy input from the fuel, expressed as a percentage.

Symbol: BTE

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Brake Thermal Efficiency

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

Brake Power of 4 Stroke

Brake Power of 4 Stroke is the output of the engine at the shaft measured by a dynamometer in a 4 stroke diesel engine.

Symbol: P_4b

Measurement: PowerUnit: kW

Note: Value should be greater than 0.

Formulas to find Brake Power of 4 Stroke

Other Formulas to find Indicated Thermal Efficiency

Go Thermal Efficiency of Diesel Engine Power Plant

ITE = \frac{BTE}{η m}

Go Thermal Efficiency using Indicated Power and Fuel Consumption Rate

ITE = \frac{P 4i}{m f \cdot CV}

Go Thermal Efficiency using Indicated Mean Effective Pressure and Break Mean Effective Pressure

ITE = BTE \cdot \frac{IMEP}{BMEP}

Go Thermal Efficiency using Friction Power

ITE = BTE \cdot (\frac{P f + P 4b}{P 4b})

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 Indicated Power of 4 Stroke Engine

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

How to Evaluate Thermal Efficiency using Indicated Power and Brake Power?

Thermal Efficiency using Indicated Power and Brake Power evaluator uses Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke to evaluate the Indicated Thermal Efficiency, The Thermal Efficiency using Indicated Power and Brake Power formula is defined as a term used to describe the efficiency of an internal combustion engine (ICE). It is a measure of how effectively an ICE converts the energy stored in the fuel into useful mechanical work. Indicated Thermal Efficiency is denoted by ITE symbol.

How to evaluate Thermal Efficiency using Indicated Power and Brake Power using this online evaluator? To use this online evaluator for Thermal Efficiency using Indicated Power and Brake Power, enter Brake Thermal Efficiency (BTE), Indicated Power of 4 Stroke (P_4i) & Brake Power of 4 Stroke (P_4b) and hit the calculate button.

FAQs on Thermal Efficiency using Indicated Power and Brake Power

What is the formula to find Thermal Efficiency using Indicated Power and Brake Power?

The formula of Thermal Efficiency using Indicated Power and Brake Power is expressed as Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke. Here is an example- 0.504716 = 0.37*7553000/5537000.

How to calculate Thermal Efficiency using Indicated Power and Brake Power?

With Brake Thermal Efficiency (BTE), Indicated Power of 4 Stroke (P_4i) & Brake Power of 4 Stroke (P_4b) we can find Thermal Efficiency using Indicated Power and Brake Power using the formula - Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke.

What are the other ways to Calculate Indicated Thermal Efficiency?

Here are the different ways to Calculate Indicated Thermal Efficiency-

Indicated Thermal Efficiency=Brake Thermal Efficiency/Mechanical Efficiency
Indicated Thermal Efficiency=Indicated Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value)
Indicated Thermal Efficiency=Brake Thermal Efficiency*Indicated Mean Effective Pressure/Brake Mean Effective Pressure

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