Displaced volume in engine cylinder Calculator

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Engine Performance Parameters

Air-Standard Cycles

Design of IC Engine Components

Fuel Injection in IC Engine

Fundamentals of IC Engine

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For 4 Stroke Engine

For 2 Stroke Engine

✖Piston stroke is defined as the distance traveled by the piston from TDC to BDC.ⓘ Piston stroke [S]			+10% -10%
✖Engine cylinder bore in meter is defined as the inside diameter of the engine cylinder.ⓘ Engine cylinder bore in meter [B]			+10% -10%

✖Displaced volume is defined as the volume covered by the piston during one complete stroke in IC engine.ⓘ Displaced volume in engine cylinder [V_d]

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Formula

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Displaced volume in engine cylinder

Formula

`"V"_{"d"} = ("S"*pi*("B"^2))/4`

Example

`"0.000528m³"=("0.100m"*pi*(("0.082m")^2))/4`

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Displaced volume in engine cylinder Solution

STEP 0: Pre-Calculation Summary

Formula Used

Displaced volume = (Piston stroke*pi*(Engine cylinder bore in meter^2))/4
V_d = (S*pi*(B^2))/4
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Displaced volume - (Measured in Cubic Meter) - Displaced volume is defined as the volume covered by the piston during one complete stroke in IC engine.
Piston stroke - (Measured in Meter) - Piston stroke is defined as the distance traveled by the piston from TDC to BDC.
Engine cylinder bore in meter - (Measured in Meter) - Engine cylinder bore in meter is defined as the inside diameter of the engine cylinder.

STEP 1: Convert Input(s) to Base Unit

Piston stroke: 0.1 Meter --> 0.1 Meter No Conversion Required
Engine cylinder bore in meter: 0.082 Meter --> 0.082 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_d = (S*pi*(B^2))/4 --> (0.1*pi*(0.082^2))/4

Evaluating ... ...

V_d = 0.000528101725068444

STEP 3: Convert Result to Output's Unit

0.000528101725068444 Cubic Meter --> No Conversion Required

FINAL ANSWER

0.000528101725068444 ≈ 0.000528 Cubic Meter <-- Displaced volume

(Calculation completed in 00.020 seconds)

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Home » Physics » IC Engine » Engine Performance Parameters » For 4 Stroke Engine » Displaced volume in engine cylinder

Credits

Created by Syed Adnan

Ramaiah University of Applied Sciences (RUAS), bangalore

Syed Adnan has created this Calculator and 200+ more calculators!

Verified by Kartikay Pandit

National Institute Of Technology (NIT), Hamirpur

Kartikay Pandit has verified this Calculator and 400+ more calculators!

< 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

Displaced volume in engine cylinder Formula

Displaced volume = (Piston stroke*pi*(Engine cylinder bore in meter^2))/4
V_d = (S*pi*(B^2))/4

What is displaced volume in engine cylinder?

The piston moves within the cylinder between TDC and BDC. In order to complete a full combustion cycle, the piston executes four strokes and the crankshaft makes two complete turns. The displaced volume is the volume in which the piston moves. For one cylinder, the displaced volume Vd is the product between the stroke of the piston and the area of the cylinder

How to Calculate Displaced volume in engine cylinder?

Displaced volume in engine cylinder calculator uses Displaced volume = (Piston stroke*pi*(Engine cylinder bore in meter^2))/4 to calculate the Displaced volume, The Displaced volume in engine cylinder formula is defined as the volume covered by the piston during its movement from TDC to BDC. Displaced volume is denoted by V_d symbol.

How to calculate Displaced volume in engine cylinder using this online calculator? To use this online calculator for Displaced volume in engine cylinder, enter Piston stroke (S) & Engine cylinder bore in meter (B) and hit the calculate button. Here is how the Displaced volume in engine cylinder calculation can be explained with given input values -> 0.000528 = (0.1*pi*(0.082^2))/4.

FAQ

What is Displaced volume in engine cylinder?

The Displaced volume in engine cylinder formula is defined as the volume covered by the piston during its movement from TDC to BDC and is represented as V_d = (S*pi*(B^2))/4 or Displaced volume = (Piston stroke*pi*(Engine cylinder bore in meter^2))/4. Piston stroke is defined as the distance traveled by the piston from TDC to BDC & Engine cylinder bore in meter is defined as the inside diameter of the engine cylinder.

How to calculate Displaced volume in engine cylinder?

The Displaced volume in engine cylinder formula is defined as the volume covered by the piston during its movement from TDC to BDC is calculated using Displaced volume = (Piston stroke*pi*(Engine cylinder bore in meter^2))/4. To calculate Displaced volume in engine cylinder, you need Piston stroke (S) & Engine cylinder bore in meter (B). With our tool, you need to enter the respective value for Piston stroke & Engine cylinder bore in meter 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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