## Engine Capacity Solution

STEP 0: Pre-Calculation Summary
Formula Used
Engine capacity = Swept volume*Number of Cylinders
EC = Vs*k
This formula uses 3 Variables
Variables Used
Engine capacity - (Measured in Cubic Meter) - Engine capacity is the displacement volume of a cylinder multiplied by the number of cylinders in an engine.
Swept volume - (Measured in Cubic Meter) - Swept volume is the volume between the top dead center (TDC) and bottom dead center (BDC).
Number of Cylinders - Number of Cylinders is the count of the cylinders that are present on the engine.
STEP 1: Convert Input(s) to Base Unit
Swept volume: 1178 Cubic Centimeter --> 0.001178 Cubic Meter (Check conversion here)
Number of Cylinders: 4 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
EC = Vs*k --> 0.001178*4
Evaluating ... ...
EC = 0.004712
STEP 3: Convert Result to Output's Unit
0.004712 Cubic Meter -->4712 Cubic Centimeter (Check conversion here)
4712 Cubic Centimeter <-- Engine capacity
(Calculation completed in 00.016 seconds)
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## Credits

Created by Akshat Nama
Indian Institute of Information Technology, Design And Manufacturing (IIITDM ), Jabalpur
Akshat Nama has created this Calculator and 3 more calculators!
Verified by Prasana Kannan
Sri sivasubramaniyanadar college of engineering (ssn college of engineering), Chennai
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## < 10+ Fundamentals of IC Engine Calculators

Overall heat transfer coefficient of IC engine

## Overall heat transfer coefficient of IC engine

Formula
"U" = 1/((1/_{"hg"}")+(_{"ΔX"}"/_{"K"}")+(1/_{"hc"}"))

Example
"45.3668W/m²*K"=1/((1/"500W/m²*°C")+("0.010m"/"235W/(m*°C)")+(1/"50W/m²*°C"))

Calculator
LaTeX
Overall Heat Transfer Coefficient = 1/((1/Heat transfer coefficient on gas side)+(Thickness of engine wall/Thermal conductivity of material)+(1/Heat transfer coefficient on coolant side))
Fuel Jet Velocity

## Fuel Jet Velocity

Formula
"V"_{"f"} = "C"_{"d"}*sqrt(((2*("p"_{"in"}-"p"_{"cy"}))/"ρ"_{"fuel"}))

Example
"120m/s"="0.6"*sqrt(((2*("200Bar"-"50Bar"))/"0.00075kg/cm³"))

Calculator
LaTeX
Fuel jet velocity = Coefficient of Discharge*sqrt(((2*(Fuel injection pressure-Pressure of charge inside the cylinder))/Fuel Density))
Rate of convection heat transfer between engine wall and coolant

## Rate of convection heat transfer between engine wall and coolant

Formula
_{"Qconv"}" = "h"*_{"A"}"*(_{"Ts"}"-_{"Tc"}")

Example
"22.77W"="2.2W/m²*K"*"0.069m²"*("450K"-"300K")

Calculator
LaTeX
Rate of convection heat transfer = Convection Heat Transfer Coefficient*Surface area of engine wall*(Engine wall surface temperature-Temperature of coolant)
Heat transfer across engine wall given overall heat transfer coefficient

## Heat transfer across engine wall given overall heat transfer coefficient

Formula
_{"Q"}" = "U"*_{"A"}"*(_{"Tg"}"-_{"Tc"}")

Example
"2001W"="50W/m²*K"*"0.069m²"*("650°C"-"70°C")

Calculator
LaTeX
Heat transfer across engine wall = Overall Heat Transfer Coefficient*Surface area of engine wall*(Gas side temperature-Coolant side temperature)
Rate of cooling of engine

## Rate of cooling of engine

Formula
_{"Rc"}" = _{"k"}"*(_{"T"}"-_{"Ta"}")

Example
"151.66671/"min""="0.035"*("190°F"-"60°F")

Calculator
LaTeX
Rate of cooling = Rate of cooling constant*(Engine temperature-Engine surrounding temperature)
Time taken for engine to cool

## Time taken for engine to cool

Formula
_{"t"}" = (_{"T"}"-_{"Tf"}")/_{"Rc"}"

Example
"11.11111"min""=("190°F"-"90°F")/"51/"min""

Calculator
LaTeX
Time taken to cool the engine = (Engine temperature-Final engine temperature)/Rate of cooling
Swept Volume

## Swept Volume

Formula
"V"_{"s"} = (((pi/4)*"D"^2)*"L")

Example
"753.9822cm³"=(((pi/4)*"8cm"^2)*"15cm")

Calculator
LaTeX
Swept volume = (((pi/4)*Inner Diameter of Cylinder^2)*Stroke Length)
Compression Ratio given Clearance and Swept Volume

## Compression Ratio given Clearance and Swept Volume

Formula
"r" = 1+("V"_{"s"}/"V"_{"c"})

Example
"7.010204"=1+("1178cm³"/"196cm³")

Calculator
LaTeX
Compression ratio = 1+(Swept volume/Clearance volume)
Engine Capacity

## Engine Capacity

Formula
"EC" = "V"_{"s"}*"k"

Example
"4712cm³"="1178cm³"*"4"

Calculator
LaTeX
Engine capacity = Swept volume*Number of Cylinders
Mean piston speed

## Mean piston speed

Formula
"s"_{"p"} = 2*"L"*"N"

Example
"125.6637m/s"=2*"15cm"*"4000r/"min""

Calculator
LaTeX
Mean Piston Speed = 2*Stroke Length*Engine Speed

## Engine Capacity Formula

Engine capacity = Swept volume*Number of Cylinders
EC = Vs*k

## What is Engine Capacity ?

Engine capacity is the measurement of the total volume of the cylinders in the engine. The bigger the engine size, the more space there is for air and fuel inside it.

## How to Calculate Engine Capacity?

Engine Capacity calculator uses Engine capacity = Swept volume*Number of Cylinders to calculate the Engine capacity, The Engine Capacity formula is defined as the displacement volume of a cylinder multiplied by number of cylinders in an engine. Engine capacity is denoted by EC symbol.

How to calculate Engine Capacity using this online calculator? To use this online calculator for Engine Capacity, enter Swept volume (Vs) & Number of Cylinders (k) and hit the calculate button. Here is how the Engine Capacity calculation can be explained with given input values -> 0.004712 = 0.001178*4.

### FAQ

What is Engine Capacity?
The Engine Capacity formula is defined as the displacement volume of a cylinder multiplied by number of cylinders in an engine and is represented as EC = Vs*k or Engine capacity = Swept volume*Number of Cylinders. Swept volume is the volume between the top dead center (TDC) and bottom dead center (BDC) & Number of Cylinders is the count of the cylinders that are present on the engine.
How to calculate Engine Capacity?
The Engine Capacity formula is defined as the displacement volume of a cylinder multiplied by number of cylinders in an engine is calculated using Engine capacity = Swept volume*Number of Cylinders. To calculate Engine Capacity, you need Swept volume (Vs) & Number of Cylinders (k). With our tool, you need to enter the respective value for Swept volume & Number of Cylinders 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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