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Diameter of Port is the diameter of the opening of the port of an IC Engine. Check FAQs
dp=4aspvpπ
dp - Diameter of Port?a - Cross Section Area of Piston?sp - Mean Piston Speed?vp - Velocity of Gas through Port?π - Archimedes' constant?

Diameter of IC Engine Port Example

With values
With units
Only example

Here is how the Diameter of IC Engine Port equation looks like with Values.

Here is how the Diameter of IC Engine Port equation looks like with Units.

Here is how the Diameter of IC Engine Port equation looks like.

39.7342Edit=4622.75Edit4.5Edit2.26Edit3.1416
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Diameter of IC Engine Port Solution

Follow our step by step solution on how to calculate Diameter of IC Engine Port?

FIRST Step Consider the formula
dp=4aspvpπ
Next Step Substitute values of Variables
dp=4622.75mm²4.5m/s2.26m/sπ
Next Step Substitute values of Constants
dp=4622.75mm²4.5m/s2.26m/s3.1416
Next Step Convert Units
dp=40.00064.5m/s2.26m/s3.1416
Next Step Prepare to Evaluate
dp=40.00064.52.263.1416
Next Step Evaluate
dp=0.0397341534572383m
Next Step Convert to Output's Unit
dp=39.7341534572383mm
LAST Step Rounding Answer
dp=39.7342mm

Diameter of IC Engine Port Formula Elements

Variables
Constants
Functions
Diameter of Port
Diameter of Port is the diameter of the opening of the port of an IC Engine.
Symbol: dp
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Cross Section Area of Piston
Cross Section Area of Piston is the area of the circular cross section of an IC Engine piston.
Symbol: a
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Mean Piston Speed
Mean Piston Speed is the average speed of the piston over one engine revolution.
Symbol: sp
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Velocity of Gas through Port
Velocity of Gas through Port is the velocity with which the gases are flowing through the port.
Symbol: vp
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Diameter of Port

​Go Diameter of IC Engine Port given Area of Port
dp=4apπ

Other formulas in Valve Port category

​Go Cross-Section Area of IC Engine Piston given Area of Port
a=apvpsp
​Go Area of IC Engine Port given Cross-Section Area of Piston
ap=aspvp
​Go Mean Velocity of IC Engine Piston given Velocity of Gas through Port
sp=apvpa
​Go Mean Velocity of Gas through IC Engine Port given Velocity of Piston
vp=aspap

How to Evaluate Diameter of IC Engine Port?

Diameter of IC Engine Port evaluator uses Diameter of Port = sqrt((4*Cross Section Area of Piston*Mean Piston Speed)/(Velocity of Gas through Port*pi)) to evaluate the Diameter of Port, Diameter of IC Engine port is the diameter of the opening of the port of an IC Engine. Diameter of Port is denoted by dp symbol.

How to evaluate Diameter of IC Engine Port using this online evaluator? To use this online evaluator for Diameter of IC Engine Port, enter Cross Section Area of Piston (a), Mean Piston Speed (sp) & Velocity of Gas through Port (vp) and hit the calculate button.

FAQs on Diameter of IC Engine Port

What is the formula to find Diameter of IC Engine Port?
The formula of Diameter of IC Engine Port is expressed as Diameter of Port = sqrt((4*Cross Section Area of Piston*Mean Piston Speed)/(Velocity of Gas through Port*pi)). Here is an example- 121886.6 = sqrt((4*0.00062275*4.5)/(2.26*pi)).
How to calculate Diameter of IC Engine Port?
With Cross Section Area of Piston (a), Mean Piston Speed (sp) & Velocity of Gas through Port (vp) we can find Diameter of IC Engine Port using the formula - Diameter of Port = sqrt((4*Cross Section Area of Piston*Mean Piston Speed)/(Velocity of Gas through Port*pi)). This formula also uses Archimedes' constant and Square Root (sqrt) function(s).
What are the other ways to Calculate Diameter of Port?
Here are the different ways to Calculate Diameter of Port-
  • Diameter of Port=sqrt((4*Area of Port)/pi)OpenImg
Can the Diameter of IC Engine Port be negative?
No, the Diameter of IC Engine Port, measured in Length cannot be negative.
Which unit is used to measure Diameter of IC Engine Port?
Diameter of IC Engine Port is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Diameter of IC Engine Port can be measured.
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