Thermal Efficiency of Heat Engine Calculator

✖Work is done when a force that is applied to an object moves that object.ⓘ Work [W]			+10% -10%
✖Heat Energy is the amount of total heat required.ⓘ Heat Energy [Q]			+10% -10%

✖Thermal Efficiency of Heat Engine relates how much useful work is output for a given amount of heat energy input.ⓘ Thermal Efficiency of Heat Engine [η]

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Formula

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Thermal Efficiency of Heat Engine

Formula

`"η" = "W"/"Q"`

Example

`"0.059524"="250J"/"4200J"`

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Thermal Efficiency of Heat Engine Solution

STEP 0: Pre-Calculation Summary

Formula Used

Thermal Efficiency of Heat Engine = Work/Heat Energy
η = W/Q
This formula uses 3 Variables

Variables Used

Thermal Efficiency of Heat Engine - Thermal Efficiency of Heat Engine relates how much useful work is output for a given amount of heat energy input.
Work - (Measured in Joule) - Work is done when a force that is applied to an object moves that object.
Heat Energy - (Measured in Joule) - Heat Energy is the amount of total heat required.

STEP 1: Convert Input(s) to Base Unit

Work: 250 Joule --> 250 Joule No Conversion Required
Heat Energy: 4200 Joule --> 4200 Joule No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η = W/Q --> 250/4200

Evaluating ... ...

η = 0.0595238095238095

STEP 3: Convert Result to Output's Unit

0.0595238095238095 --> No Conversion Required

FINAL ANSWER

0.0595238095238095 ≈ 0.059524 <-- Thermal Efficiency of Heat Engine

(Calculation completed in 00.004 seconds)

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Created by Anirudh Singh

National Institute of Technology (NIT), Jamshedpur

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< 13 Production of Power from Heat Calculators

Carnot Cycle of Heat Pump

Go Carnot Cycle of Heat Pump = Heat from High Temperature Reservoir/(Heat from High Temperature Reservoir-Heat from Low Temperature Reservoir)

Coefficient of Performance of Heat Pump using Heat in Cold and Hot Reservoir

Go COP of Heat Pump given Heat = Heat in the hot reservoir/(Heat in the hot reservoir-Heat in Cold Reservoir)

Thermal Expansion

Go Coefficient of Linear Thermal Expansion = Change in Length/(Initial Length*Temperature Change)

Thermal Efficiency of Carnot Engine

Go Thermal Efficiency of Carnot Engine = 1-Absolute Temperature of Cold Reservoir/Absolute Temperature of Hot Reservoir

Work of Heat Pump

Go Work of Heat Pump = Heat from High Temperature Reservoir-Heat from Low Temperature Reservoir

Coefficient of Performance of Heat Pump using Work and Heat in Cold Reservoir

Go COP of Heat Pump in Cold Reservoir = Heat in the hot reservoir/Mechanical Energy

Carnot Cycle Efficiency of Heat Engine using Temperature of Source and Sink

Go Carnot Cycle Efficiency = 1-Initial Temperature/Final Temperature

Thermal Efficiency of Heat Engine

Go Thermal Efficiency of Heat Engine = Work/Heat Energy

Otto Cycle Efficiency

Go OTE = 1-Initial Temperature/Final Temperature

Real Heat Engine

Go Real Heat Engine = Work of Heat Pump/Heat

Real Heat Pump

Go Real Heat Pump = Heat/Work of Heat Pump

Performance of Heat Pump

Go Heat Pump = Heat/Work of Heat Pump

Ranking Cycle Efficiency

Go Ranking Cycle = 1-Heat Ratio

< 17 Thermal Efficiency Calculators

Diesel Efficiency

Go Diesel Efficiency = 1-1/(Compression Ratio^Gamma-1)*(Cutoff Ratio^Gamma-1/(Gamma*(Cutoff Ratio-1)))

Overall Efficiency given Boiler, Cycle, Turbine, Generator, and Auxiliary Efficiency

Go Overall Efficiency = Boiler Efficiency*Cycle Efficiency*Turbine Efficiency*Generator Efficiency*Auxiliary Efficiency

Volumetric Efficiency given Compression and Pressure Ratio

Go Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma)

Thermal Efficiency of Carnot Engine

Go Thermal Efficiency of Carnot Engine = 1-Absolute Temperature of Cold Reservoir/Absolute Temperature of Hot Reservoir

Brayton Cycle Efficiency

Go Thermal Efficiency of Brayton Cycle = 1-1/(Pressure Ratio^((Gamma-1)/Gamma))

Thermal Efficiency given Mechanical Energy

Go Thermal Efficiency given Mechanical energy = Mechanical Energy/Thermal Energy

Thermal Efficiency given Waste Energy

Go Thermal efficiency given Waste energy = 1-Waste Heat/Thermal Energy

Carnot Cycle Efficiency of Heat Engine using Temperature of Source and Sink

Go Carnot Cycle Efficiency = 1-Initial Temperature/Final Temperature

Nozzle Efficiency

Go Nozzle Efficiency = Change in Kinetic Energy/Kinetic Energy

Indicated Thermal Efficiency

Go Indicated Thermal Efficiency = Brake Power/Heat Energy

Thermal Efficiency of Heat Engine

Go Thermal Efficiency of Heat Engine = Work/Heat Energy

Cooled Compressor Efficiency

Go Cooled Compressor Efficiency = Kinetic Energy/Work

Brake Thermal Efficiency

Go Brake Thermal Efficiency = Brake Power/Heat Energy

Otto Cycle Efficiency

Go OTE = 1-Initial Temperature/Final Temperature

Compressor Efficiency

Go Compressor Efficiency = Kinetic Energy/Work

Turbine Efficiency

Go Turbine Efficiency = Work/Kinetic Energy

Ranking Cycle Efficiency

Go Ranking Cycle = 1-Heat Ratio

Thermal Efficiency of Heat Engine Formula

Thermal Efficiency of Heat Engine = Work/Heat Energy
η = W/Q

What is the Heat engine process?

Heat engine absorbs heat energy from the high temperature heat source, converting part of it to useful work and delivering the rest to the cold temperature heat sink.

How to Calculate Thermal Efficiency of Heat Engine?

Thermal Efficiency of Heat Engine calculator uses Thermal Efficiency of Heat Engine = Work/Heat Energy to calculate the Thermal Efficiency of Heat Engine, Thermal Efficiency of Heat engine relates how much useful work is output for a given amount of heat energy input. Thermal Efficiency of Heat Engine is denoted by η symbol.

How to calculate Thermal Efficiency of Heat Engine using this online calculator? To use this online calculator for Thermal Efficiency of Heat Engine, enter Work (W) & Heat Energy (Q) and hit the calculate button. Here is how the Thermal Efficiency of Heat Engine calculation can be explained with given input values -> 0.059524 = 250/4200.

FAQ

What is Thermal Efficiency of Heat Engine?

Thermal Efficiency of Heat engine relates how much useful work is output for a given amount of heat energy input and is represented as η = W/Q or Thermal Efficiency of Heat Engine = Work/Heat Energy. Work is done when a force that is applied to an object moves that object & Heat Energy is the amount of total heat required.

How to calculate Thermal Efficiency of Heat Engine?

Thermal Efficiency of Heat engine relates how much useful work is output for a given amount of heat energy input is calculated using Thermal Efficiency of Heat Engine = Work/Heat Energy. To calculate Thermal Efficiency of Heat Engine, you need Work (W) & Heat Energy (Q). With our tool, you need to enter the respective value for Work & Heat Energy and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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