Mean Velocity of Gas through IC Engine Port given Velocity of Piston Calculator

✖Cross Section Area of Piston is the area of the circular cross section of an IC Engine piston.ⓘ Cross Section Area of Piston [a]			+10% -10%
✖Mean Piston Speed is the average speed of the piston over one engine revolution.ⓘ Mean Piston Speed [s_p]			+10% -10%
✖Area of Port is the area of opening of a port.ⓘ Area of Port [a_p]			+10% -10%

✖Velocity of Gas through Port is the velocity with which the gases are flowing through the port.ⓘ Mean Velocity of Gas through IC Engine Port given Velocity of Piston [v_p]

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Formula

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Mean Velocity of Gas through IC Engine Port given Velocity of Piston

Formula

`"v"_{"p"} = ("a"*"s"_{"p"})/("a"_{"p"})`

Example

`"21.26613m/s"=("5860mm²"*"4.5m/s")/("1240mm²")`

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Mean Velocity of Gas through IC Engine Port given Velocity of Piston Solution

STEP 0: Pre-Calculation Summary

Formula Used

Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port)
v_p = (a*s_p)/(a_p)
This formula uses 4 Variables

Variables Used

Velocity of Gas through Port - (Measured in Meter per Second) - Velocity of Gas through Port is the velocity with which the gases are flowing through the port.
Cross Section Area of Piston - (Measured in Square Meter) - Cross Section Area of Piston is the area of the circular cross section of an IC Engine piston.
Mean Piston Speed - (Measured in Meter per Second) - Mean Piston Speed is the average speed of the piston over one engine revolution.
Area of Port - (Measured in Square Meter) - Area of Port is the area of opening of a port.

STEP 1: Convert Input(s) to Base Unit

Cross Section Area of Piston: 5860 Square Millimeter --> 0.00586 Square Meter (Check conversion here)
Mean Piston Speed: 4.5 Meter per Second --> 4.5 Meter per Second No Conversion Required
Area of Port: 1240 Square Millimeter --> 0.00124 Square Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

v_p = (a*s_p)/(a_p) --> (0.00586*4.5)/(0.00124)

Evaluating ... ...

v_p = 21.2661290322581

STEP 3: Convert Result to Output's Unit

21.2661290322581 Meter per Second --> No Conversion Required

FINAL ANSWER

21.2661290322581 ≈ 21.26613 Meter per Second <-- Velocity of Gas through Port

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Engine Valves » Valve Port » Mean Velocity of Gas through IC Engine Port given Velocity of Piston

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

Saurabh Patil has created this Calculator and 700+ more calculators!

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Shri Govindram Seksaria Institute of Technology and Science (SGSITS), Indore

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< 11 Valve Port Calculators

Diameter of IC Engine Port

Go Diameter of Port = sqrt((4*Cross Section Area of Piston*Mean Piston Speed)/(Velocity of Gas through Port*pi))

Mean Velocity of Gas through IC Engine Port given Engine Speed, Stroke, Area of Piston and Port

Go Velocity of Gas through Port = (Cross Section Area of Piston*(2*Engine Speed in rpm*Stroke Length)/60)/(Area of Port)

Mean Velocity of IC Engine Piston given Velocity of Gas through Port

Go Mean Piston Speed = (Area of Port*Velocity of Gas through Port)/(Cross Section Area of Piston)

Mean Velocity of Gas through IC Engine Port given Velocity of Piston

Go Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port)

Cross-Section Area of IC Engine Piston given Area of Port

Go Cross Section Area of Piston = (Area of Port*Velocity of Gas through Port)/(Mean Piston Speed)

Area of IC Engine Port given Cross-Section Area of Piston

Go Area of Port = (Cross Section Area of Piston*Mean Piston Speed)/(Velocity of Gas through Port)

Diameter of IC Engine Port given Area of Port

Go Diameter of Port = sqrt((4*Area of Port)/pi)

Stroke Length of Piston given Mean Velocity of Piston and Engine Speed

Go Stroke Length = (60*Mean Piston Speed)/(2*Engine Speed in rpm)

Engine Speed given Mean Velocity of Piston and Stroke Length

Go Engine Speed in rpm = 60*(Mean Piston Speed)/(2*Stroke Length)

Mean Velocity of IC Engine Piston given Engine Speed and Stroke Length

Go Mean Piston Speed = (2*Engine Speed in rpm*Stroke Length)/60

Acceleration of Exhaust Valve

Go Acceleration of Valve = Inertia Force on Valve/Mass of Valve

Mean Velocity of Gas through IC Engine Port given Velocity of Piston Formula

Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port)
v_p = (a*s_p)/(a_p)

Ports vs Valves in IC Engine

A Port is the best and simplest one to suck the air or air-fuel mixture into the cylinder and kick the exhaust out. Ports are used in two-stroke reciprocating petrol engines and also in rotary engines. Valves are mainly used in 4 strokes reciprocating diesel/petrol engines, etc. Valves need a cam and rocker arm mechanism for the opening and closing of valves. But in the case of ports, it does not need any other mechanism for the opening and closing of ports. It simply opens and closes by the piston (positioning).

How to Calculate Mean Velocity of Gas through IC Engine Port given Velocity of Piston?

Mean Velocity of Gas through IC Engine Port given Velocity of Piston calculator uses Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port) to calculate the Velocity of Gas through Port, The mean velocity of gas through IC Engine Port given velocity of piston is the velocity with which the combustion gases are flowing through the port. Velocity of Gas through Port is denoted by v_p symbol.

How to calculate Mean Velocity of Gas through IC Engine Port given Velocity of Piston using this online calculator? To use this online calculator for Mean Velocity of Gas through IC Engine Port given Velocity of Piston, enter Cross Section Area of Piston (a), Mean Piston Speed (s_p) & Area of Port (a_p) and hit the calculate button. Here is how the Mean Velocity of Gas through IC Engine Port given Velocity of Piston calculation can be explained with given input values -> 21.26613 = (0.00586*4.5)/(0.00124).

FAQ

What is Mean Velocity of Gas through IC Engine Port given Velocity of Piston?

The mean velocity of gas through IC Engine Port given velocity of piston is the velocity with which the combustion gases are flowing through the port and is represented as v_p = (a*s_p)/(a_p) or Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port). Cross Section Area of Piston is the area of the circular cross section of an IC Engine piston, Mean Piston Speed is the average speed of the piston over one engine revolution & Area of Port is the area of opening of a port.

How to calculate Mean Velocity of Gas through IC Engine Port given Velocity of Piston?

The mean velocity of gas through IC Engine Port given velocity of piston is the velocity with which the combustion gases are flowing through the port is calculated using Velocity of Gas through Port = (Cross Section Area of Piston*Mean Piston Speed)/(Area of Port). To calculate Mean Velocity of Gas through IC Engine Port given Velocity of Piston, you need Cross Section Area of Piston (a), Mean Piston Speed (s_p) & Area of Port (a_p). With our tool, you need to enter the respective value for Cross Section Area of Piston, Mean Piston Speed & Area of Port 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 Velocity of Gas through Port?

In this formula, Velocity of Gas through Port uses Cross Section Area of Piston, Mean Piston Speed & Area of Port. We can use 1 other way(s) to calculate the same, which is/are as follows -

Velocity of Gas through Port = (Cross Section Area of Piston*(2*Engine Speed in rpm*Stroke Length)/60)/(Area of Port)

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