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
ηv = Va/Vd
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: 0.003 Cubic Meter --> 0.003 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
ηv = Va/Vd --> 0.003/0.0038
Evaluating ... ...
ηv = 0.789473684210526
STEP 3: Convert Result to Output's Unit
0.789473684210526 --> No Conversion Required
FINAL ANSWER
0.789473684210526 0.789474 <-- Volumetric efficiency of IC engine
(Calculation completed in 00.004 seconds)

Credits

Created by Syed Adnan
Ramaiah University of Applied Sciences (RUAS), bangalore
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National Institute Of Technology (NIT), Hamirpur
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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 in rps)
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
Brake power measured with dynamo meter
Go Brake power measured with dynamo meter = (pi*Pulley diameter*(Engine speed in rps*60)*(Dead weight-Spring scale reading))/60
Indicated Power of Four-stroke Engine
Go Indicated Power = (Number of Cylinders*Mean Effective Pressure*Stroke Length*Area of Cross Section*(Engine Speed))/(2)
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))
Work done per cycle in ic engine
Go Work done per cycle in ic engine = (Indicated engine power*Crankshaft revolutions per power stroke)/Engine Speed in rpm
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)
Combustion efficiency
Go Combustion efficiency = Heat added by combustion per cycle/(Mass of fuel added per cycle*Heating value of the fuel)
Intake air mass of engine cylinder
Go Mass of air at intake = (Air Mass Flow Rate*Crankshaft revolutions per power stroke)/Engine Speed in rpm
Bmep given engine torque
Go Bmep = (2*pi*Engine Torque*Engine Speed)/Mean Piston Speed
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
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
Frictional power of engine
Go Frictional power of engine = Indicated Power of Engine-Brake power of engine
Actual intake air volume per cylinder
Go Actual volume of intake air = Mass of air at intake/Air density at intake
Horsepower of engine
Go Horsepower of engine = (Engine Torque*Engine RPM)/5252
Indicated mean effective pressure given mechanical efficiency
Go Imep = Bmep/Mechanical efficiency of ic engine
Frictional mean effective pressure
Go Fmep = Imep-Bmep

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
ηv = Va/Vd

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 ηv 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 (Va) & Theoretical volume of engine (Vd) 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 -> 0.789474 = 0.003/0.0038.

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 ηv = Va/Vd 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 (Va) & Theoretical volume of engine (Vd). 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 in rps)
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