Thermal Efficiency using Friction Power Calculator

✖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%
✖Friction Power refers to the power that is lost due to friction between the moving parts of the engine.ⓘ Friction Power [P_f]			+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 Friction Power [ITE]

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Formula

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Thermal Efficiency using Friction Power

Formula

`"ITE" = "BTE"*(("P"_{"f"}+"P"_{"4b"})/"P"_{"4b"})`

Example

`"0.504716"="0.37"*(("2016kW"+"5537kW")/"5537kW")`

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Thermal Efficiency using Friction Power Solution

STEP 0: Pre-Calculation Summary

Formula Used

Indicated Thermal Efficiency = Brake Thermal Efficiency*((Friction Power+Brake Power of 4 Stroke)/Brake Power of 4 Stroke)
ITE = BTE*((P_f+P_4b)/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.
Friction Power - (Measured in Watt) - Friction Power refers to the power that is lost due to friction between the moving parts of the engine.
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
Friction Power: 2016 Kilowatt --> 2016000 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_f+P_4b)/P_4b) --> 0.37*((2016000+5537000)/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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Verified by Parminder Singh

Chandigarh University (CU), Punjab

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< 25 Diesel Engine Power Plant Calculators

Overall Efficiency or Brake Thermal Efficiency using Brake Mean Effective Pressure

Go Brake Thermal Efficiency = (Brake Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/(Fuel Consumption Rate*Calorific Value*60)

Break Power given Bore and Stroke

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

Indicated Power of 2 Stroke Engine

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

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

Brake Power using Break Mean Effective Pressure

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

Overall Efficiency or Brake Thermal Efficiency using Mechanical Efficiency

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

Overall Efficiency or Brake Thermal Efficiency using Friction Power and Indicated Power

Go Brake Thermal Efficiency = (Indicated Power of 4 Stroke-Friction Power)/(Fuel Consumption Rate*Calorific Value)

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

Go Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Mean Effective Pressure/Brake Mean Effective Pressure

Thermal Efficiency using Indicated Power and Brake Power

Go Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Power of 4 Stroke/Brake Power of 4 Stroke

Thermal Efficiency using Indicated Power and Fuel Consumption Rate

Go Indicated Thermal Efficiency = Indicated Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value)

Mechanical Efficiency using Indicated Power and Friction Power

Go Mechanical Efficiency = (Indicated Power of 4 Stroke-Friction Power)/Indicated Power of 4 Stroke

Brake Thermal Efficiency of Diesel Engine Power Plant

Go Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value)

Mechanical Efficiency using Break Power and Friction Power

Go Mechanical Efficiency = Brake Power of 4 Stroke/(Brake Power of 4 Stroke+Friction Power)

Work Done per Cycle

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

Brake Mean Effective Pressure

Go Brake Mean Effective Pressure = Mechanical Efficiency*Indicated Mean Effective Pressure

Break Power of 4 Stroke Diesel Engine

Go Brake Power of 4 Stroke = (2*pi*Torque*(RPM/2))/60

Brake Specific Fuel Consumption given Brake Power and Fuel Consumption Rate

Go Brake Specific Fuel Consumption = Fuel Consumption Rate/Brake Power of 4 Stroke

Break Power of 2 Stroke Diesel Engine

Go Brake Power of 2 Stroke = (2*pi*Torque*RPM)/60

Thermal Efficiency of Diesel Engine Power Plant

Go Indicated Thermal Efficiency = Brake Thermal Efficiency/Mechanical Efficiency

Break Power given Mechanical Efficiency and Indicated Power

Go Brake Power of 4 Stroke = Mechanical Efficiency*Indicated Power of 4 Stroke

Mechanical Efficiency of Diesel Engine

Go Mechanical Efficiency = Brake Power of 4 Stroke/Indicated Power of 4 Stroke

Indicated Power using Brake Power and Friction Power

Go Indicated Power of 4 Stroke = Brake Power of 4 Stroke+Friction Power

Friction Power of Diesel Engine

Go Friction Power = Indicated Power of 4 Stroke-Brake Power of 4 Stroke

Brake Mean Effective Pressure given Torque

Go Brake Mean Effective Pressure = Proportionality Constant*Torque

Area of Piston given Piston Bore

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

Thermal Efficiency using Friction Power Formula

Indicated Thermal Efficiency = Brake Thermal Efficiency*((Friction Power+Brake Power of 4 Stroke)/Brake Power of 4 Stroke)
ITE = BTE*((P_f+P_4b)/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 Friction Power?

Thermal Efficiency using Friction Power calculator uses Indicated Thermal Efficiency = Brake Thermal Efficiency*((Friction Power+Brake Power of 4 Stroke)/Brake Power of 4 Stroke) to calculate the Indicated Thermal Efficiency, The Thermal Efficiency using Friction 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 Friction Power using this online calculator? To use this online calculator for Thermal Efficiency using Friction Power, enter Brake Thermal Efficiency (BTE), Friction Power (P_f) & Brake Power of 4 Stroke (P_4b) and hit the calculate button. Here is how the Thermal Efficiency using Friction Power calculation can be explained with given input values -> 0.504716 = 0.37*((2016000+5537000)/5537000).

FAQ

What is Thermal Efficiency using Friction Power?

The Thermal Efficiency using Friction 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_f+P_4b)/P_4b) or Indicated Thermal Efficiency = Brake Thermal Efficiency*((Friction Power+Brake 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, Friction Power refers to the power that is lost due to friction between the moving parts of the engine & 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 Friction Power?

The Thermal Efficiency using Friction 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*((Friction Power+Brake Power of 4 Stroke)/Brake Power of 4 Stroke). To calculate Thermal Efficiency using Friction Power, you need Brake Thermal Efficiency (BTE), Friction Power (P_f) & Brake Power of 4 Stroke (P_4b). With our tool, you need to enter the respective value for Brake Thermal Efficiency, Friction Power & 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, Friction Power & Brake Power of 4 Stroke. We can use 4 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 Power of 4 Stroke/Brake Power of 4 Stroke
Indicated Thermal Efficiency = Brake Thermal Efficiency*Indicated Mean Effective Pressure/Brake Mean Effective Pressure

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