Side Thrust on Piston Formula

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Side Thrust on Piston is the perpendicular force acting onto the piston perpendicular to the piston central axis. Check FAQs
Fa=μπDi2pmax4
Fa - Side Thrust on Piston?μ - Coefficient of Friction for Piston Skirt?Di - Diameter of Cylinder Bore?pmax - Maximum Gas Pressure Inside Cylinder?π - Archimedes' constant?

Side Thrust on Piston Example

With values
With units
Only example

Here is how the Side Thrust on Piston equation looks like with Values.

Here is how the Side Thrust on Piston equation looks like with Units.

Here is how the Side Thrust on Piston equation looks like.

3.6438Edit=0.1Edit3.1416180Edit21.4319Edit4
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Side Thrust on Piston Solution

Follow our step by step solution on how to calculate Side Thrust on Piston?

FIRST Step Consider the formula
Fa=μπDi2pmax4
Next Step Substitute values of Variables
Fa=0.1π180mm21.4319N/mm²4
Next Step Substitute values of Constants
Fa=0.13.1416180mm21.4319N/mm²4
Next Step Convert Units
Fa=0.13.14160.18m21.4E+6Pa4
Next Step Prepare to Evaluate
Fa=0.13.14160.1821.4E+64
Next Step Evaluate
Fa=3643.76926618707N
Next Step Convert to Output's Unit
Fa=3.64376926618707kN
LAST Step Rounding Answer
Fa=3.6438kN

Side Thrust on Piston Formula Elements

Variables
Constants
Side Thrust on Piston
Side Thrust on Piston is the perpendicular force acting onto the piston perpendicular to the piston central axis.
Symbol: Fa
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Coefficient of Friction for Piston Skirt
Coefficient of Friction for Piston Skirt is the ratio of the side thrust on the liner to the maximum gas load on the piston.
Symbol: μ
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Diameter of Cylinder Bore
Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.
Symbol: Di
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Maximum Gas Pressure Inside Cylinder
Maximum Gas Pressure Inside Cylinder is the maximum amount of pressure that can be generated inside the cylinder.
Symbol: pmax
Measurement: PressureUnit: N/mm²
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

Other formulas in Piston Skirt category

​Go Inner Diameter of Piston Pin
di=0.6do
​Go Length of Piston Pin used in Connecting Rod
l1=0.45Di
​Go Maximum Bending Moment on Piston Pin
Mb=FPDi8
​Go Maximum Bending Stress in Piston Pin
σmax=4FPDidoπ(do4-di4)

How to Evaluate Side Thrust on Piston?

Side Thrust on Piston evaluator uses Side Thrust on Piston = Coefficient of Friction for Piston Skirt*pi*Diameter of Cylinder Bore^2*Maximum Gas Pressure Inside Cylinder/4 to evaluate the Side Thrust on Piston, Side Thrust on Piston is the force acting perpendicular onto the sidewalls of a piston. Side Thrust on Piston is denoted by Fa symbol.

How to evaluate Side Thrust on Piston using this online evaluator? To use this online evaluator for Side Thrust on Piston, enter Coefficient of Friction for Piston Skirt (μ), Diameter of Cylinder Bore (Di) & Maximum Gas Pressure Inside Cylinder (pmax) and hit the calculate button.

FAQs on Side Thrust on Piston

What is the formula to find Side Thrust on Piston?
The formula of Side Thrust on Piston is expressed as Side Thrust on Piston = Coefficient of Friction for Piston Skirt*pi*Diameter of Cylinder Bore^2*Maximum Gas Pressure Inside Cylinder/4. Here is an example- 0.003644 = 0.1*pi*0.18^2*1431910.84/4.
How to calculate Side Thrust on Piston?
With Coefficient of Friction for Piston Skirt (μ), Diameter of Cylinder Bore (Di) & Maximum Gas Pressure Inside Cylinder (pmax) we can find Side Thrust on Piston using the formula - Side Thrust on Piston = Coefficient of Friction for Piston Skirt*pi*Diameter of Cylinder Bore^2*Maximum Gas Pressure Inside Cylinder/4. This formula also uses Archimedes' constant .
Can the Side Thrust on Piston be negative?
No, the Side Thrust on Piston, measured in Force cannot be negative.
Which unit is used to measure Side Thrust on Piston?
Side Thrust on Piston is usually measured using the Kilonewton[kN] for Force. Newton[kN], Exanewton[kN], Meganewton[kN] are the few other units in which Side Thrust on Piston can be measured.
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