Maximum Width of Top Land Calculator

✖Thickness of Piston Head is the thickness of the material used at the head of a piston.ⓘ Thickness of Piston Head [t_h]

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✖Width of top land is the distance from the top of the piston to the first ring groove.ⓘ Maximum Width of Top Land [h₁]

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Maximum Width of Top Land Solution

STEP 0: Pre-Calculation Summary

Formula Used

Width of Top Land = 1.2*Thickness of Piston Head
h₁ = 1.2*t_h
This formula uses 2 Variables

Variables Used

Width of Top Land - (Measured in Meter) - Width of top land is the distance from the top of the piston to the first ring groove.
Thickness of Piston Head - (Measured in Meter) - Thickness of Piston Head is the thickness of the material used at the head of a piston.

STEP 1: Convert Input(s) to Base Unit

Thickness of Piston Head: 27 Millimeter --> 0.027 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

h₁ = 1.2*t_h --> 1.2*0.027

Evaluating ... ...

h₁ = 0.0324

STEP 3: Convert Result to Output's Unit

0.0324 Meter -->32.4 Millimeter (Check conversion here)

FINAL ANSWER

32.4 Millimeter <-- Width of Top Land

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Piston » Mechanical » Piston Rings » Maximum Width of Top Land

Credits

Created by Saurabh Patil

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

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

Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

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< Piston Rings Calculators

Radial Width of Piston Ring

LaTeX Go Radial Width of Piston Ring = Diameter of Cylinder Bore*sqrt(3*Allowable Radial Pressure on Piston Ring/Permissible Tensile Stress for Ring)

Number of Piston Rings

LaTeX Go Number of Piston Rings = Diameter of Cylinder Bore/(10*Minimum Axial Thickness of Piston Ring)

Minimum Axial Thickness of Piston Ring given Cylinder Inner Diameter

LaTeX Go Axial Thickness of Piston Ring = Diameter of Cylinder Bore/(10*Number of Piston Rings)

Minimum Axial Thickness of Piston Ring given Radial Width of Ring

LaTeX Go Axial Thickness of Piston Ring = 0.7*Radial Width of Piston Ring

Maximum Width of Top Land Formula

LaTeX Go

Width of Top Land = 1.2*Thickness of Piston Head
h₁ = 1.2*t_h

What is top land?

Top land is the annular area around the piston and above the uppermost ring.
In order to protect the piston rings from the thermal load from combustion, the height of the piston top land was introduced. The resulting increased buffer volume between the piston crown and the cylinder wall improves conditions for the rings and allows longer times-between overhauls.

How to Calculate Maximum Width of Top Land?

Maximum Width of Top Land calculator uses Width of Top Land = 1.2*Thickness of Piston Head to calculate the Width of Top Land, Maximum width of top land is the maximum distance between the top of the piston and the first ring groove. Width of Top Land is denoted by h₁ symbol.

How to calculate Maximum Width of Top Land using this online calculator? To use this online calculator for Maximum Width of Top Land, enter Thickness of Piston Head (t_h) and hit the calculate button. Here is how the Maximum Width of Top Land calculation can be explained with given input values -> 32400 = 1.2*0.027.

FAQ

What is Maximum Width of Top Land?

Maximum width of top land is the maximum distance between the top of the piston and the first ring groove and is represented as h₁ = 1.2*t_h or Width of Top Land = 1.2*Thickness of Piston Head. Thickness of Piston Head is the thickness of the material used at the head of a piston.

How to calculate Maximum Width of Top Land?

Maximum width of top land is the maximum distance between the top of the piston and the first ring groove is calculated using Width of Top Land = 1.2*Thickness of Piston Head. To calculate Maximum Width of Top Land, you need Thickness of Piston Head (t_h). With our tool, you need to enter the respective value for Thickness of Piston Head 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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