Mean piston speed Formula

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Mean Piston Speed is the average speed of the piston over one engine revolution. Check FAQs
sp=2LN
sp - Mean Piston Speed?L - Stroke Length?N - Engine Speed?

Mean piston speed Example

With values
With units
Only example

Here is how the Mean piston speed equation looks like with Values.

Here is how the Mean piston speed equation looks like with Units.

Here is how the Mean piston speed equation looks like.

73.7227Edit=28.8Edit4000Edit
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Mean piston speed Solution

Follow our step by step solution on how to calculate Mean piston speed?

FIRST Step Consider the formula
sp=2LN
Next Step Substitute values of Variables
sp=28.8cm4000rev/min
Next Step Convert Units
sp=20.088m418.879rad/s
Next Step Prepare to Evaluate
sp=20.088418.879
Next Step Evaluate
sp=73.7227076004862m/s
LAST Step Rounding Answer
sp=73.7227m/s

Mean piston speed Formula Elements

Variables
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.
Stroke Length
Stroke Length is the distance travelled by the piston during each cycle.
Symbol: L
Measurement: LengthUnit: cm
Note: Value should be greater than 0.
Engine Speed
Engine Speed is the speed at which the crankshaft of the engine rotates.
Symbol: N
Measurement: Angular VelocityUnit: rev/min
Note: Value should be greater than 0.

Other formulas in Important Formulas of Engine Dynamics category

​Go Beale Number
Bn=HPPSVpfe
​Go Friction Power
FP=IP-BP
​Go Swept Volume
Vs=(((π4)Dic2)L)
​Go Inlet-Valve Mach Index
Z=((DcDi)2)(spqfa)

How to Evaluate Mean piston speed?

Mean piston speed evaluator uses Mean Piston Speed = 2*Stroke Length*Engine Speed to evaluate the Mean Piston Speed, The Mean Piston Speed formula is defined as the distance traveled by a piston in a specified amount of time. Mean Piston Speed is denoted by sp symbol.

How to evaluate Mean piston speed using this online evaluator? To use this online evaluator for Mean piston speed, enter Stroke Length (L) & Engine Speed (N) and hit the calculate button.

FAQs on Mean piston speed

What is the formula to find Mean piston speed?
The formula of Mean piston speed is expressed as Mean Piston Speed = 2*Stroke Length*Engine Speed. Here is an example- 73.72271 = 2*0.088*418.879020457308.
How to calculate Mean piston speed?
With Stroke Length (L) & Engine Speed (N) we can find Mean piston speed using the formula - Mean Piston Speed = 2*Stroke Length*Engine Speed.
Can the Mean piston speed be negative?
No, the Mean piston speed, measured in Speed cannot be negative.
Which unit is used to measure Mean piston speed?
Mean piston speed is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Mean piston speed can be measured.
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