Brake Thermal Efficiency of Diesel Engine Power Plant Calculator

✖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%
✖Fuel Consumption Rate refers to the rate at which fuel is consumed by the engine.ⓘ Fuel Consumption Rate [m_f]			+10% -10%
✖Calorific Value is a measure of the amount of energy contained in a unit of fuel. It is a measure of the energy released when the fuel is burned.ⓘ Calorific Value [CV]			+10% -10%

✖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 of Diesel Engine Power Plant [BTE]

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Formula

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Brake Thermal Efficiency of Diesel Engine Power Plant

Formula

`"BTE" = "P"_{"4b"}/("m"_{"f"}*"CV")`

Example

`"0.371362"="5537kW"/("0.355kg/s"*"42000kJ/kg")`

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Brake Thermal Efficiency of Diesel Engine Power Plant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value)
BTE = P_4b/(m_f*CV)
This formula uses 4 Variables

Variables Used

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.
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.
Fuel Consumption Rate - (Measured in Kilogram per Second) - Fuel Consumption Rate refers to the rate at which fuel is consumed by the engine.
Calorific Value - (Measured in Joule per Kilogram) - Calorific Value is a measure of the amount of energy contained in a unit of fuel. It is a measure of the energy released when the fuel is burned.

STEP 1: Convert Input(s) to Base Unit

Brake Power of 4 Stroke: 5537 Kilowatt --> 5537000 Watt (Check conversion here)
Fuel Consumption Rate: 0.355 Kilogram per Second --> 0.355 Kilogram per Second No Conversion Required
Calorific Value: 42000 Kilojoule per Kilogram --> 42000000 Joule per Kilogram (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

BTE = P_4b/(m_f*CV) --> 5537000/(0.355*42000000)

Evaluating ... ...

BTE = 0.371361502347418

STEP 3: Convert Result to Output's Unit

0.371361502347418 --> No Conversion Required

FINAL ANSWER

0.371361502347418 ≈ 0.371362 <-- Brake 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

Brake Thermal Efficiency of Diesel Engine Power Plant Formula

Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value)
BTE = P_4b/(m_f*CV)

What are the types of Diesel Engines?

Diesel engines can be classified into two-stroke and four-stroke engines, as well as inline and V-type engines. Two-stroke engines are simpler and more compact than four-stroke engines, but are less fuel efficient and emit more pollutants. Four-stroke engines are more complex but offer better fuel efficiency and lower emissions. Inline engines are simpler and more compact than V-type engines, but V-type engines are smoother and more powerful.

How to Calculate Brake Thermal Efficiency of Diesel Engine Power Plant?

Brake Thermal Efficiency of Diesel Engine Power Plant calculator uses Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value) to calculate the Brake Thermal Efficiency, The Brake Thermal Efficiency of Diesel Engine Power Plant formula is defined as a measure of how effectively an engine converts the chemical energy in its fuel into useful mechanical work. Brake Thermal Efficiency is denoted by BTE symbol.

How to calculate Brake Thermal Efficiency of Diesel Engine Power Plant using this online calculator? To use this online calculator for Brake Thermal Efficiency of Diesel Engine Power Plant, enter Brake Power of 4 Stroke (P_4b), Fuel Consumption Rate (m_f) & Calorific Value (CV) and hit the calculate button. Here is how the Brake Thermal Efficiency of Diesel Engine Power Plant calculation can be explained with given input values -> 0.371362 = 5537000/(0.355*42000000).

FAQ

What is Brake Thermal Efficiency of Diesel Engine Power Plant?

The Brake Thermal Efficiency of Diesel Engine Power Plant formula is defined as a measure of how effectively an engine converts the chemical energy in its fuel into useful mechanical work and is represented as BTE = P_4b/(m_f*CV) or Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value). Brake Power of 4 Stroke is the output of the engine at the shaft measured by a dynamometer in a 4 stroke diesel engine, Fuel Consumption Rate refers to the rate at which fuel is consumed by the engine & Calorific Value is a measure of the amount of energy contained in a unit of fuel. It is a measure of the energy released when the fuel is burned.

How to calculate Brake Thermal Efficiency of Diesel Engine Power Plant?

The Brake Thermal Efficiency of Diesel Engine Power Plant formula is defined as a measure of how effectively an engine converts the chemical energy in its fuel into useful mechanical work is calculated using Brake Thermal Efficiency = Brake Power of 4 Stroke/(Fuel Consumption Rate*Calorific Value). To calculate Brake Thermal Efficiency of Diesel Engine Power Plant, you need Brake Power of 4 Stroke (P_4b), Fuel Consumption Rate (m_f) & Calorific Value (CV). With our tool, you need to enter the respective value for Brake Power of 4 Stroke, Fuel Consumption Rate & Calorific Value 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 Brake Thermal Efficiency?

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

Brake Thermal Efficiency = (Mechanical Efficiency*Indicated Power of 4 Stroke)/(Fuel Consumption Rate*Calorific Value)
Brake Thermal Efficiency = (Indicated Power of 4 Stroke-Friction Power)/(Fuel Consumption Rate*Calorific Value)
Brake Thermal Efficiency = (Brake Mean Effective Pressure*Piston Area*Stroke of Piston*(RPM/2)*Number of Cylinders)/(Fuel Consumption Rate*Calorific Value*60)
Brake Thermal Efficiency = Indicated Thermal Efficiency*Mechanical Efficiency

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