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Thermal Efficiency using Indicated Power and Brake Power Calculator

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✖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.ⓘ Brake Thermal Efficiency [BTE]			+10% -10%
✖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.ⓘ Indicated Power of 4 Stroke [P_4i]			+10% -10%
✖Brake Power of 4 Stroke is the output of the engine at the shaft measured by a dynamometer in a 4 stroke diesel engine.ⓘ Brake Power of 4 Stroke [P_4b]			+10% -10%

✖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.ⓘ Thermal Efficiency using Indicated Power and Brake Power [ITE]

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Thermal Efficiency using Indicated Power and Brake Power Solution

STEP 0: Pre-Calculation Summary

Formula Used

Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke
ITE = BTE*P_4i/P_4b
This formula uses 4 Variables

Variables Used

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.
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.
Indicated Power of 4 Stroke - (Measured in Watt) - 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.
Brake Power of 4 Stroke - (Measured in Watt) - Brake Power of 4 Stroke is the output of the engine at the shaft measured by a dynamometer in a 4 stroke diesel engine.

STEP 1: Convert Input(s) to Base Unit

Brake Thermal Efficiency: 0.37 --> No Conversion Required
Indicated Power of 4 Stroke: 7553 Kilowatt --> 7553000 Watt (Check conversion here)
Brake Power of 4 Stroke: 5537 Kilowatt --> 5537000 Watt (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ITE = BTE*P_4i/P_4b --> 0.37*7553000/5537000

Evaluating ... ...

ITE = 0.504715549936789

STEP 3: Convert Result to Output's Unit

0.504715549936789 --> No Conversion Required

FINAL ANSWER

0.504715549936789 ≈ 0.504716 <-- Indicated Thermal Efficiency

(Calculation completed in 00.004 seconds)

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Created by Nisarg

Indian Institute of Technology,Roorlee (IITR), Roorkee

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< Diesel Engine Power Plant Calculators

Indicated Power of 2 Stroke Engine

LaTeX Go Indicated Power of 2 Stroke Engine = (Indicated Mean Effective Pressure*Piston Area*Stroke of Piston*RPM*Number of Cylinders)/60

Indicated Power of 4 Stroke Engine

LaTeX Go Indicated Power of 4 Stroke = (Indicated Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/60

Work Done per Cycle

LaTeX Go Work = Indicated Mean Effective Pressure*Piston Area*Stroke of Piston

Area of Piston given Piston Bore

LaTeX Go Piston Area = (pi/4)*Piston Bore^2

Thermal Efficiency using Indicated Power and Brake Power Formula

LaTeX Go

Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke
ITE = BTE*P_4i/P_4b

What is the relation between indicated power brake power and friction power?

The difference between indicated power and brake power is as follows. First of all, by indicated power we mean GROSS indicated power, the total work done by gas on piston during compression and power strokes. The brake power is the power available at the dynamometer. The difference is called friction power.

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

Thermal Efficiency using Indicated Power and Brake Power calculator uses Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke to calculate 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 calculate Thermal Efficiency using Indicated Power and Brake Power using this online calculator? To use this online calculator 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. Here is how the Thermal Efficiency using Indicated Power and Brake Power calculation can be explained with given input values -> 0.504716 = 0.37*7553000/5537000.

FAQ

What is Thermal Efficiency using Indicated Power and Brake Power?

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 and is represented as ITE = BTE*P_4i/P_4b or Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke. 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, 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 & Brake Power of 4 Stroke is the output of the engine at the shaft measured by a dynamometer in a 4 stroke diesel engine.

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

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 is calculated using Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke. To calculate Thermal Efficiency using Indicated Power and Brake Power, you need Brake Thermal Efficiency (BTE), Indicated Power of 4 Stroke (P_4i) & Brake Power of 4 Stroke (P_4b). With our tool, you need to enter the respective value for Brake Thermal Efficiency, Indicated Power of 4 Stroke & Brake Power of 4 Stroke and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Indicated Thermal Efficiency?

In this formula, Indicated Thermal Efficiency uses Brake Thermal Efficiency, Indicated Power of 4 Stroke & Brake Power of 4 Stroke. We can use 3 other way(s) to calculate the same, which is/are as follows -

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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