Engine Speed given Mean Velocity of Piston and Stroke Length Calculator

✖Mean Piston Speed is the average speed of the piston over one engine revolution.ⓘ Mean Piston Speed [s_p]			+10% -10%
✖Stroke length is the distance traveled by piston in cylinder from BDC to TDC or vice versa.ⓘ Stroke Length [l_s]			+10% -10%

✖Engine Speed in rpm is the speed at which the crankshaft of the engine rotates.ⓘ Engine Speed given Mean Velocity of Piston and Stroke Length [N]

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Formula

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Engine Speed given Mean Velocity of Piston and Stroke Length

Formula

N = 60 \cdot \frac{s p}{2 \cdot l s}

Example

4687.837 rev/min = 60 \cdot \frac{4.5 m/s}{2 \cdot 275 mm}

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Engine Speed given Mean Velocity of Piston and Stroke Length Solution

STEP 0: Pre-Calculation Summary

Formula Used

Engine Speed = 60*(Mean Piston Speed)/(2*Stroke Length)
N = 60*(s_p)/(2*l_s)
This formula uses 3 Variables

Variables Used

Engine Speed - (Measured in Radian per Second) - Engine Speed in rpm is the speed at which the crankshaft of the engine rotates.
Mean Piston Speed - (Measured in Meter per Second) - Mean Piston Speed is the average speed of the piston over one engine revolution.
Stroke Length - (Measured in Meter) - Stroke length is the distance traveled by piston in cylinder from BDC to TDC or vice versa.

STEP 1: Convert Input(s) to Base Unit

Mean Piston Speed: 4.5 Meter per Second --> 4.5 Meter per Second No Conversion Required
Stroke Length: 275 Millimeter --> 0.275 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

N = 60*(s_p)/(2*l_s) --> 60*(4.5)/(2*0.275)

Evaluating ... ...

N = 490.909090909091

STEP 3: Convert Result to Output's Unit

490.909090909091 Radian per Second -->4687.83650585455 Revolution per Minute (Check conversion here)

FINAL ANSWER

4687.83650585455 ≈ 4687.837 Revolution per Minute <-- Engine Speed

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Engine Valves » Mechanical » Valve Port » Engine Speed given Mean Velocity of Piston and Stroke Length

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

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< Valve Port Calculators

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)

Engine Speed given Mean Velocity of Piston and Stroke Length Formula

Engine Speed = 60*(Mean Piston Speed)/(2*Stroke Length)
N = 60*(s_p)/(2*l_s)

What are Engine Valves?

Engine valves are mechanical components used in internal combustion engines to allow or restrict the flow of fluid or gas to and from the combustion chambers or cylinders during engine operation. Functionally, they perform similarly to many other types of valves in that they block or pass flow, however, they are purely mechanical device that interfaces with other engine components such as rocker arms in order to open and close in the correct sequence and with the correct timing.

How to Calculate Engine Speed given Mean Velocity of Piston and Stroke Length?

Engine Speed given Mean Velocity of Piston and Stroke Length calculator uses Engine Speed = 60*(Mean Piston Speed)/(2*Stroke Length) to calculate the Engine Speed, Engine speed given mean velocity of piston and stroke length is the speed at which the crankshaft of the engine rotates. Engine Speed is denoted by N symbol.

How to calculate Engine Speed given Mean Velocity of Piston and Stroke Length using this online calculator? To use this online calculator for Engine Speed given Mean Velocity of Piston and Stroke Length, enter Mean Piston Speed (s_p) & Stroke Length (l_s) and hit the calculate button. Here is how the Engine Speed given Mean Velocity of Piston and Stroke Length calculation can be explained with given input values -> 44765.54 = 60*(4.5)/(2*0.275).

FAQ

What is Engine Speed given Mean Velocity of Piston and Stroke Length?

Engine speed given mean velocity of piston and stroke length is the speed at which the crankshaft of the engine rotates and is represented as N = 60*(s_p)/(2*l_s) or Engine Speed = 60*(Mean Piston Speed)/(2*Stroke Length). Mean Piston Speed is the average speed of the piston over one engine revolution & Stroke length is the distance traveled by piston in cylinder from BDC to TDC or vice versa.

How to calculate Engine Speed given Mean Velocity of Piston and Stroke Length?

Engine speed given mean velocity of piston and stroke length is the speed at which the crankshaft of the engine rotates is calculated using Engine Speed = 60*(Mean Piston Speed)/(2*Stroke Length). To calculate Engine Speed given Mean Velocity of Piston and Stroke Length, you need Mean Piston Speed (s_p) & Stroke Length (l_s). With our tool, you need to enter the respective value for Mean Piston Speed & Stroke Length 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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