✖Actual Volume of Intake Air is defined as the realistic volume of the air drawn into the engine cylinder.ⓘ Actual Volume of Intake Air [V_a]			+10% -10%
✖Theoretical Volume of Engine is defined as the total volume of the combustion chamber including swept volume and clearance volume.ⓘ Theoretical Volume of Engine [V_te]			+10% -10%

✖Volumetric Efficiency of IC Engine is defined as the ratio of mass density of air-fuel mixture drawn into the cylinder to the mass density of the same volume of air in the intake manifold.ⓘ Volumetric efficiency of IC engine given actual volume of engine cylinder [η_v]

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Formula

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Volumetric efficiency of IC engine given actual volume of engine cylinder

Formula

`"η"_{"v"} = "V"_{"a"}/"V"_{"te"}`

Example

`"1.052632"="0.004m³"/"0.0038m³"`

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Volumetric efficiency of IC engine given actual volume of engine cylinder Solution

STEP 0: Pre-Calculation Summary

Formula Used

Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine
η_v = V_a/V_te
This formula uses 3 Variables

Variables Used

Volumetric Efficiency of IC Engine - Volumetric Efficiency of IC Engine is defined as the ratio of mass density of air-fuel mixture drawn into the cylinder to the mass density of the same volume of air in the intake manifold.
Actual Volume of Intake Air - (Measured in Cubic Meter) - Actual Volume of Intake Air is defined as the realistic volume of the air drawn into the engine cylinder.
Theoretical Volume of Engine - (Measured in Cubic Meter) - Theoretical Volume of Engine is defined as the total volume of the combustion chamber including swept volume and clearance volume.

STEP 1: Convert Input(s) to Base Unit

Actual Volume of Intake Air: 0.004 Cubic Meter --> 0.004 Cubic Meter No Conversion Required
Theoretical Volume of Engine: 0.0038 Cubic Meter --> 0.0038 Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_v = V_a/V_te --> 0.004/0.0038

Evaluating ... ...

η_v = 1.05263157894737

STEP 3: Convert Result to Output's Unit

1.05263157894737 --> No Conversion Required

FINAL ANSWER

1.05263157894737 ≈ 1.052632 <-- Volumetric Efficiency of IC Engine

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Engine Performance Parameters » Mechanical » For 4 Stroke Engine » Volumetric efficiency of IC engine given actual volume of engine cylinder

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Ramaiah University of Applied Sciences (RUAS), bangalore

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< 24 For 4 Stroke Engine Calculators

Volumetric efficiency of IC engine

Go Volumetric Efficiency of IC Engine = (Air Mass Flow Rate*Crankshaft Revolutions per Power Stroke)/(Air Density at Intake*Theoretical Volume of Engine*Engine Speed)

Rate of heat conduction of engine wall

Go Rate of Heat Conduction of Engine Wall = ((Thermal Conductivity of Material)*Surface Area of Engine Wall*Temperature Difference across Engine Wall)/Thickness of Engine Wall

Indicated Power of Four-stroke Engine

Go Indicated Power = (Number of Cylinders*Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))/(2)

Brake power measured with dynamo meter

Go Brake Power = (pi*Pulley Diameter*(Engine Speed*60)*(Dead Weight-Spring Scale Reading))/60

Volumetric Efficiency for 4S engines

Go Volumetric Efficiency = ((2*Air Mass Flow Rate)/(Air Density at Intake*Piston Swept Volume*(Engine Speed)))*100

Brake Mean Effective Pressure of 4S Engines given Brake power

Go Brake Mean Effective Pressure = (2*Brake Power)/(Stroke Length*Area of Cross Section*(Engine Speed))

Fuel conversion efficiency

Go Fuel Conversion Efficiency = Work Done per Cycle in IC Engine/(Mass of Fuel Added per Cycle*Heating Value of the Fuel)

Bmep given engine torque

Go Brake Mean Effective Pressure = (2*pi*Engine Torque*Engine Speed)/Mean Piston Speed

Combustion efficiency

Go Combustion Efficiency = Heat Added by Combustion per Cycle/(Mass of Fuel Added per Cycle*Heating Value of the Fuel)

Work done per cycle in ic engine

Go Work Done per Cycle in IC Engine = (Indicated Engine Power*Crankshaft Revolutions per Power Stroke)/Engine RPM

Intake air mass of engine cylinder

Go Mass of Air at Intake = (Air Mass Flow Rate*Crankshaft Revolutions per Power Stroke)/Engine RPM

Displaced volume in engine cylinder

Go Displaced Volume = (Piston Stroke*pi*(Engine Cylinder Bore in Meter^2))/4

Intake air density

Go Air Density at Intake = Intake Air Pressure/([R]*Intake Air Temperature)

Thermal efficiency of IC engine

Go Thermal Efficiency of IC Engine = Work Done per Cycle in IC Engine/Heat Added by Combustion per Cycle

Indicated mean effective pressure given mechanical efficiency

Go Indicated Mean Effective Pressure = Brake Mean Effective Pressure/Mechanical Efficiency of IC Engine

Frictional mean effective pressure

Go Frictional Mean Effective Pressure = Indicated Mean Effective Pressure-Brake Mean Effective Pressure

Volumetric efficiency of IC engine given actual volume of engine cylinder

Go Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine

Connecting Rod Length to Crank Radius Ratio

Go Connecting Rod Length to Crank Radius Ratio = Connecting Rod Length/Crank Radius of Engine

Ratio of cylinder bore to piston stroke

Go Connecting Rod Length to Crank Radius Ratio = Connecting Rod Length/Crank Radius of Engine

Total cylinder volume of IC engine

Go Total Volume of an Engine = Total Number of Cylinders*Total Volume of Engine Cylinder

Fuel conversion efficiency given thermal conversion efficiency

Go Fuel Conversion Efficiency = Combustion Efficiency*Thermal Conversion Efficiency

Actual intake air volume per cylinder

Go Actual Volume of Intake Air = Mass of Air at Intake/Air Density at Intake

Frictional power of engine

Go Frictional Power of Engine = Indicated Power-Brake Power

Horsepower of engine

Go Horsepower of Engine = (Engine Torque*Engine RPM)/5252

Volumetric efficiency of IC engine given actual volume of engine cylinder Formula

Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine
η_v = V_a/V_te

What is volumetric efficiency of ic engine?

The volumetric efficiency ηv [-] is defined as the ratio between the actual (measured) volume of intake air Va [m3] drawn into the cylinder/engine and the theoretical volume of the engine/cylinder Vd [m3], during the intake engine cycle. The volumetric efficiency can be regarded also as the efficiency of the internal combustion engine to fill the cylinders with intake air. The higher the volumetric efficiency the higher the volume of intake air in the engine.

How to Calculate Volumetric efficiency of IC engine given actual volume of engine cylinder?

Volumetric efficiency of IC engine given actual volume of engine cylinder calculator uses Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine to calculate the Volumetric Efficiency of IC Engine, The Volumetric efficiency of IC engine given actual volume of engine cylinder formula is defined as the ratio between the actual (measured) volume of intake air drawn into the cylinder/engine and the theoretical volume of the engine/cylinder during the intake engine cycle. Volumetric Efficiency of IC Engine is denoted by η_v symbol.

How to calculate Volumetric efficiency of IC engine given actual volume of engine cylinder using this online calculator? To use this online calculator for Volumetric efficiency of IC engine given actual volume of engine cylinder, enter Actual Volume of Intake Air (V_a) & Theoretical Volume of Engine (V_te) and hit the calculate button. Here is how the Volumetric efficiency of IC engine given actual volume of engine cylinder calculation can be explained with given input values -> 1.052632 = 0.004/0.0038.

FAQ

What is Volumetric efficiency of IC engine given actual volume of engine cylinder?

The Volumetric efficiency of IC engine given actual volume of engine cylinder formula is defined as the ratio between the actual (measured) volume of intake air drawn into the cylinder/engine and the theoretical volume of the engine/cylinder during the intake engine cycle and is represented as η_v = V_a/V_te or Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine. Actual Volume of Intake Air is defined as the realistic volume of the air drawn into the engine cylinder & Theoretical Volume of Engine is defined as the total volume of the combustion chamber including swept volume and clearance volume.

How to calculate Volumetric efficiency of IC engine given actual volume of engine cylinder?

The Volumetric efficiency of IC engine given actual volume of engine cylinder formula is defined as the ratio between the actual (measured) volume of intake air drawn into the cylinder/engine and the theoretical volume of the engine/cylinder during the intake engine cycle is calculated using Volumetric Efficiency of IC Engine = Actual Volume of Intake Air/Theoretical Volume of Engine. To calculate Volumetric efficiency of IC engine given actual volume of engine cylinder, you need Actual Volume of Intake Air (V_a) & Theoretical Volume of Engine (V_te). With our tool, you need to enter the respective value for Actual Volume of Intake Air & Theoretical Volume of Engine 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 Volumetric Efficiency of IC Engine?

In this formula, Volumetric Efficiency of IC Engine uses Actual Volume of Intake Air & Theoretical Volume of Engine. We can use 1 other way(s) to calculate the same, which is/are as follows -

Volumetric Efficiency of IC Engine = (Air Mass Flow Rate*Crankshaft Revolutions per Power Stroke)/(Air Density at Intake*Theoretical Volume of Engine*Engine Speed)

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