Indicated Thermal Efficiency Solution

STEP 0: Pre-Calculation Summary
Formula Used
Indicated Thermal Efficiency = Brake Power/Heat Energy
IDE = BP/Q
This formula uses 3 Variables
Variables Used
Indicated Thermal Efficiency - Indicated Thermal Efficiency is given by the ratio of indicated power generated by the engine to the power generated by the combustion of the fuel.
Brake Power - (Measured in Watt) - Brake Power is the power obtained at the engine flywheel and is measured with the help of a dynamometer.
Heat Energy - (Measured in Joule) - Heat Energy is the amount of total heat required.
STEP 1: Convert Input(s) to Base Unit
Brake Power: 190 Kilowatt --> 190000 Watt (Check conversion here)
Heat Energy: 4200 Joule --> 4200 Joule No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
IDE = BP/Q --> 190000/4200
Evaluating ... ...
IDE = 45.2380952380952
STEP 3: Convert Result to Output's Unit
45.2380952380952 --> No Conversion Required
FINAL ANSWER
45.2380952380952 45.2381 <-- Indicated Thermal Efficiency
(Calculation completed in 00.004 seconds)

Credits

Created by Anirudh Singh
National Institute of Technology (NIT), Jamshedpur
Anirudh Singh has created this Calculator and 300+ more calculators!
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17 Thermal Efficiency Calculators

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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

Indicated Thermal Efficiency Formula

Indicated Thermal Efficiency = Brake Power/Heat Energy
IDE = BP/Q

What is Indicated power?

The amount of power developed in the cylinder ,can also be considered as the power exerted on the piston . Actually fuel power is converted into indicated power ,but there are various loss like heat loss from cylinder walls ,by cooling water , heat lost in exhaust gas.

How to Calculate Indicated Thermal Efficiency?

Indicated Thermal Efficiency calculator uses Indicated Thermal Efficiency = Brake Power/Heat Energy to calculate the Indicated Thermal Efficiency, Indicated Thermal Efficiency is the ratio of Indicated power to the fuel power generated through combustion. Indicated Thermal Efficiency is denoted by IDE symbol.

How to calculate Indicated Thermal Efficiency using this online calculator? To use this online calculator for Indicated Thermal Efficiency, enter Brake Power (BP) & Heat Energy (Q) and hit the calculate button. Here is how the Indicated Thermal Efficiency calculation can be explained with given input values -> 45.2381 = 190000/4200.

FAQ

What is Indicated Thermal Efficiency?
Indicated Thermal Efficiency is the ratio of Indicated power to the fuel power generated through combustion and is represented as IDE = BP/Q or Indicated Thermal Efficiency = Brake Power/Heat Energy. Brake Power is the power obtained at the engine flywheel and is measured with the help of a dynamometer & Heat Energy is the amount of total heat required.
How to calculate Indicated Thermal Efficiency?
Indicated Thermal Efficiency is the ratio of Indicated power to the fuel power generated through combustion is calculated using Indicated Thermal Efficiency = Brake Power/Heat Energy. To calculate Indicated Thermal Efficiency, you need Brake Power (BP) & Heat Energy (Q). With our tool, you need to enter the respective value for Brake Power & 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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