Number of Piston Rings Formula

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Number of Piston Rings is the total number of piston rings used inside a cylinder block. Check FAQs
z=Di10hmin
z - Number of Piston Rings?Di - Diameter of Cylinder Bore?hmin - Minimum Axial Thickness of Piston Ring?

Number of Piston Rings Example

With values
With units
Only example

Here is how the Number of Piston Rings equation looks like with Values.

Here is how the Number of Piston Rings equation looks like with Units.

Here is how the Number of Piston Rings equation looks like.

3.9911Edit=180Edit104.51Edit
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Number of Piston Rings Solution

Follow our step by step solution on how to calculate Number of Piston Rings?

FIRST Step Consider the formula
z=Di10hmin
Next Step Substitute values of Variables
z=180mm104.51mm
Next Step Convert Units
z=0.18m100.0045m
Next Step Prepare to Evaluate
z=0.18100.0045
Next Step Evaluate
z=3.99113082039911
LAST Step Rounding Answer
z=3.9911

Number of Piston Rings Formula Elements

Variables
Number of Piston Rings
Number of Piston Rings is the total number of piston rings used inside a cylinder block.
Symbol: z
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
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.
Minimum Axial Thickness of Piston Ring
Minimum Axial Thickness of Piston Ring is the minimum required length of a piston ring along the longitudinal length of the piston.
Symbol: hmin
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other formulas in Piston Rings 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 Number of Piston Rings?

Number of Piston Rings evaluator uses Number of Piston Rings = Diameter of Cylinder Bore/(10*Minimum Axial Thickness of Piston Ring) to evaluate the Number of Piston Rings, Number of Piston Rings is the total number of piston rings used with a single piston inside an engine cylinder. Number of Piston Rings is denoted by z symbol.

How to evaluate Number of Piston Rings using this online evaluator? To use this online evaluator for Number of Piston Rings, enter Diameter of Cylinder Bore (Di) & Minimum Axial Thickness of Piston Ring (hmin) and hit the calculate button.

FAQs on Number of Piston Rings

What is the formula to find Number of Piston Rings?
The formula of Number of Piston Rings is expressed as Number of Piston Rings = Diameter of Cylinder Bore/(10*Minimum Axial Thickness of Piston Ring). Here is an example- 4 = 0.18/(10*0.00451).
How to calculate Number of Piston Rings?
With Diameter of Cylinder Bore (Di) & Minimum Axial Thickness of Piston Ring (hmin) we can find Number of Piston Rings using the formula - Number of Piston Rings = Diameter of Cylinder Bore/(10*Minimum Axial Thickness of Piston Ring).
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