Rudrani Tidke
Cummins College of Engineering for Women (CCEW), Pune
Rudrani Tidke has created this Calculator and 100+ more calculators!
Alithea Fernandes
Don Bosco College of Engineering (DBCE), Goa
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2 Other formulas that you can solve using the same Inputs

Polar moment of inertia of hollow circular cross-section
Polar moment of inertia=pi*((Outer diameter of circular section^4)-(Inner Diameter of Circular Section^4))/32 GO
Moment of inertia of hollow circle about diametrical axis
Area Moment Of Inertia=(pi/64)*(Outer diameter of circular section^4-Inner Diameter of Circular Section^4) GO

1 Other formulas that calculate the same Output

Radius of the Kern for a Hollow Square
Radius of Kern=0.1179*Outer Height*(1+((Inner Height/Outer Height)^2)) GO

Radius of the Kern for a Circular Ring Formula

Radius of Kern=Outer diameter of circular section*(1+(Inner Diameter of Circular Section/Outer diameter of circular section)^2)/8
r=D*(1+(d/D)^2)/8
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Theoretical Maximum Stress for Johnson Code Steels GO
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Length of a Rectangular Section Under Compression GO
Maximum Stress For a Circular Section Under Compression GO
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Radius of the Kern for a Hollow Square GO
Thickness of Wall for a Hollow Octagon GO

What is Kern?

The kern is the area around the center of gravity of a cross section within which any load applied produces stress of only one sign throughout the entire cross section. Outside the kern, a load produces stresses of different sign

How to Calculate Radius of the Kern for a Circular Ring?

Radius of the Kern for a Circular Ring calculator uses Radius of Kern=Outer diameter of circular section*(1+(Inner Diameter of Circular Section/Outer diameter of circular section)^2)/8 to calculate the Radius of Kern, The Radius of the Kern for a Circular Ring formula is defined as the radius of area around the center of gravity of a cross section within which any load applied produces stress of only one sign throughout the entire cross section. Radius of Kern and is denoted by r symbol.

How to calculate Radius of the Kern for a Circular Ring using this online calculator? To use this online calculator for Radius of the Kern for a Circular Ring, enter Outer diameter of circular section (D) and Inner Diameter of Circular Section (d) and hit the calculate button. Here is how the Radius of the Kern for a Circular Ring calculation can be explained with given input values -> 1.5625 = 10*(1+(5/10)^2)/8.

FAQ

What is Radius of the Kern for a Circular Ring?
The Radius of the Kern for a Circular Ring formula is defined as the radius of area around the center of gravity of a cross section within which any load applied produces stress of only one sign throughout the entire cross section and is represented as r=D*(1+(d/D)^2)/8 or Radius of Kern=Outer diameter of circular section*(1+(Inner Diameter of Circular Section/Outer diameter of circular section)^2)/8. Outer diameter of circular section is the measure of largest diameter of 2D concentric circular cross section and Inner Diameter of Circular Section is the measure of smallest diameter of 2D concentric circular cross section.
How to calculate Radius of the Kern for a Circular Ring?
The Radius of the Kern for a Circular Ring formula is defined as the radius of area around the center of gravity of a cross section within which any load applied produces stress of only one sign throughout the entire cross section is calculated using Radius of Kern=Outer diameter of circular section*(1+(Inner Diameter of Circular Section/Outer diameter of circular section)^2)/8. To calculate Radius of the Kern for a Circular Ring, you need Outer diameter of circular section (D) and Inner Diameter of Circular Section (d). With our tool, you need to enter the respective value for Outer diameter of circular section and Inner Diameter of Circular Section and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Radius of Kern?
In this formula, Radius of Kern uses Outer diameter of circular section and Inner Diameter of Circular Section. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Radius of Kern=0.1179*Outer Height*(1+((Inner Height/Outer Height)^2))
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