Indicated Power given Mechanical Efficiency Calculator

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Engine Performance Parameters

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✖Brake Power is the power available at the crankshaft.ⓘ Brake Power [BP]			+10% -10%
✖Mechanical Efficiency (in %) is the ratio of the power delivered by a mechanical system to the power supplied to it.ⓘ Mechanical Efficiency [η_m]			+10% -10%

✖Indicated power is the total power produced due to combustion of fuel within the IC engine's cylinder in one complete cycle neglecting any losses.ⓘ Indicated Power given Mechanical Efficiency [IP]

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Formula

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Indicated Power given Mechanical Efficiency

Formula

`"IP" = "BP"/("η"_{"m"}/100)`

Example

`"0.013333kW"="0.008kW"/("60"/100)`

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Indicated Power given Mechanical Efficiency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Indicated Power = Brake Power/(Mechanical Efficiency/100)
IP = BP/(η_m/100)
This formula uses 3 Variables

Variables Used

Indicated Power - (Measured in Watt) - Indicated power is the total power produced due to combustion of fuel within the IC engine's cylinder in one complete cycle neglecting any losses.
Brake Power - (Measured in Watt) - Brake Power is the power available at the crankshaft.
Mechanical Efficiency - Mechanical Efficiency (in %) is the ratio of the power delivered by a mechanical system to the power supplied to it.

STEP 1: Convert Input(s) to Base Unit

Brake Power: 0.008 Kilowatt --> 8 Watt (Check conversion here)
Mechanical Efficiency: 60 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

IP = BP/(η_m/100) --> 8/(60/100)

Evaluating ... ...

IP = 13.3333333333333

STEP 3: Convert Result to Output's Unit

13.3333333333333 Watt -->0.0133333333333333 Kilowatt (Check conversion here)

FINAL ANSWER

0.0133333333333333 ≈ 0.013333 Kilowatt <-- Indicated Power

(Calculation completed in 00.004 seconds)

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Created by Aditya Prakash Gautam

Indian Institute of Technology (IIT (ISM) ), Dhanbad, Jharkhand

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< 13 Engine Performance Parameters Calculators

Inlet-Valve Mach Index

Go Mach Index = ((Cylinder Diameter/Inlet Valve Diameter)^2)*((Mean Piston Speed)/(Flow Coefficient*Sonic Velocity))

Brake Power given Mean Effective Pressure

Go Brake Power = (Brake Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))

Indicated Thermal Efficiency given Indicated Power

Go Indicated Thermal Efficiency = ((Indicated Power)/(Mass of fuel supplied per second*Calorific value of fuel))*100

Brake Thermal Efficiency given Brake Power

Go Brake Thermal Efficiency = (Brake Power/(Mass of fuel supplied per second*Calorific value of fuel))*100

Indicated specific fuel consumption

Go Indicated Specific Fuel Consumption = Fuel Consumption in IC engine/Indicated Power

Indicated Thermal Efficiency given Relative Efficiency

Go Indicated Thermal Efficiency = (Relative Efficiency*Air Standard Efficiency)/100

Relative Efficiency

Go Relative Efficiency = (Indicated Thermal Efficiency/Air Standard Efficiency)*100

Brake specific fuel consumption

Go Brake Specific Fuel Consumption = Fuel Consumption in IC engine/Brake Power

Indicated Power given Mechanical Efficiency

Go Indicated Power = Brake Power/(Mechanical Efficiency/100)

Brake Power given Mechanical Efficiency

Go Brake Power = (Mechanical Efficiency/100)*Indicated Power

Mechanical Efficiency of IC engine

Go Mechanical Efficiency = (Brake Power/Indicated Power)*100

Specific Power Output

Go Specific Power Output = Brake Power/Area of Cross Section

Friction Power

Go Friction Power = Indicated Power-Brake Power

Indicated Power given Mechanical Efficiency Formula

Indicated Power = Brake Power/(Mechanical Efficiency/100)
IP = BP/(η_m/100)

What factors affect mechanical efficiency ?

Mechanical efficiency is the ratio of brake power (delivered power) to the indicated power (power provided to the piston). Factors affecting mechanical efficiency includes lubrication (tribology), vibration, lost motion, dry friction, fluid viscosity, heat insulation, cooling measures, corrosion.

How to Calculate Indicated Power given Mechanical Efficiency?

Indicated Power given Mechanical Efficiency calculator uses Indicated Power = Brake Power/(Mechanical Efficiency/100) to calculate the Indicated Power, The Indicated Power given Mechanical Efficiency formula is defined as division of brake power to the mechanical efficiency of an IC engine. Indicated Power is denoted by IP symbol.

How to calculate Indicated Power given Mechanical Efficiency using this online calculator? To use this online calculator for Indicated Power given Mechanical Efficiency, enter Brake Power (BP) & Mechanical Efficiency (η_m) and hit the calculate button. Here is how the Indicated Power given Mechanical Efficiency calculation can be explained with given input values -> 1.3E-5 = 8/(60/100).

FAQ

What is Indicated Power given Mechanical Efficiency?

The Indicated Power given Mechanical Efficiency formula is defined as division of brake power to the mechanical efficiency of an IC engine and is represented as IP = BP/(η_m/100) or Indicated Power = Brake Power/(Mechanical Efficiency/100). Brake Power is the power available at the crankshaft & Mechanical Efficiency (in %) is the ratio of the power delivered by a mechanical system to the power supplied to it.

How to calculate Indicated Power given Mechanical Efficiency?

The Indicated Power given Mechanical Efficiency formula is defined as division of brake power to the mechanical efficiency of an IC engine is calculated using Indicated Power = Brake Power/(Mechanical Efficiency/100). To calculate Indicated Power given Mechanical Efficiency, you need Brake Power (BP) & Mechanical Efficiency (η_m). With our tool, you need to enter the respective value for Brake Power & Mechanical Efficiency 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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