Bending Stress in Valve Disk Calculator

✖Diameter of Port is the diameter of the opening of the port of an IC Engine.ⓘ Diameter of Port [d_p]			+10% -10%
✖Material Constant is the constant value for the material used in a particular formula.ⓘ Material Constant [k_c]			+10% -10%
✖Thickness of Valve Disk is the thickness of the circular valve disk of a valve and is the part of valve head.ⓘ Thickness of Valve Disk [t]			+10% -10%
✖Maximum gas pressure inside cylinder is the maximum amount of pressure that can be generated inside the cylinder.ⓘ Maximum Gas Pressure inside Cylinder [p_max]			+10% -10%

✖Bending Stress in Valve Disk is the amount of bending stress that can be generated in a material before its failure or fracture.ⓘ Bending Stress in Valve Disk [σb_disk]

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Formula

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Bending Stress in Valve Disk

Formula

`"σb"_{"disk"} = (("d"_{"p"}*"k"_{"c"})/"t")^2*"p"_{"max"}`

Example

`"52.89256N/mm²"=(("40mm"*"0.5")/"5.5mm")^2*"4MPa"`

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Bending Stress in Valve Disk Solution

STEP 0: Pre-Calculation Summary

Formula Used

Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder
σb_disk = ((d_p*k_c)/t)^2*p_max
This formula uses 5 Variables

Variables Used

Bending Stress in Valve Disk - (Measured in Pascal) - Bending Stress in Valve Disk is the amount of bending stress that can be generated in a material before its failure or fracture.
Diameter of Port - (Measured in Meter) - Diameter of Port is the diameter of the opening of the port of an IC Engine.
Material Constant - Material Constant is the constant value for the material used in a particular formula.
Thickness of Valve Disk - (Measured in Meter) - Thickness of Valve Disk is the thickness of the circular valve disk of a valve and is the part of valve head.
Maximum Gas Pressure inside Cylinder - (Measured in Pascal) - Maximum gas pressure inside cylinder is the maximum amount of pressure that can be generated inside the cylinder.

STEP 1: Convert Input(s) to Base Unit

Diameter of Port: 40 Millimeter --> 0.04 Meter (Check conversion here)
Material Constant: 0.5 --> No Conversion Required
Thickness of Valve Disk: 5.5 Millimeter --> 0.0055 Meter (Check conversion here)
Maximum Gas Pressure inside Cylinder: 4 Megapascal --> 4000000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

σb_disk = ((d_p*k_c)/t)^2*p_max --> ((0.04*0.5)/0.0055)^2*4000000

Evaluating ... ...

σb_disk = 52892561.9834711

STEP 3: Convert Result to Output's Unit

52892561.9834711 Pascal -->52.8925619834711 Newton per Square Millimeter (Check conversion here)

FINAL ANSWER

52.8925619834711 ≈ 52.89256 Newton per Square Millimeter <-- Bending Stress in Valve Disk

(Calculation completed in 00.004 seconds)

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Created by Saurabh Patil

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

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< 8 Valve Disk Calculators

Thickness of Valve Disk given Projected Width of Valve Seat

Go Thickness of Valve Disk = Material Constant*Projected Width of Valve Seat/0.06*sqrt(Maximum Gas Pressure inside Cylinder/Bending Stress in Valve Disk)

Diameter of Port given Thickness of Valve Disk

Go Diameter of Port = Thickness of Valve Disk/Material Constant*sqrt(Bending Stress in Valve Disk/Maximum Gas Pressure inside Cylinder)

Thickness of Valve Disk

Go Thickness of Valve Disk = Material Constant*Diameter of Port*sqrt(Maximum Gas Pressure inside Cylinder/Bending Stress in Valve Disk)

Bending Stress in Valve Disk

Go Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder

Thickness of Valve Disk Made of Cast Iron

Go Thickness of Valve Disk = 0.54*Diameter of Port*sqrt(Maximum Gas Pressure inside Cylinder/Bending Stress in Valve Disk)

Thickness of Valve Disk Made of Steel

Go Thickness of Valve Disk = 0.42*Diameter of Port*sqrt(Maximum Gas Pressure inside Cylinder/Bending Stress in Valve Disk)

Minimum Thickness of Valve Disk at Edges

Go Thickness of Valve Disk at Edges = 0.75*Thickness of Valve Disk

Maximum Thickness of Valve Disk at Edges

Go Thickness of Valve Disk at Edges = 0.85*Thickness of Valve Disk

Bending Stress in Valve Disk Formula

Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder
σb_disk = ((d_p*k_c)/t)^2*p_max

What is a valve disk?

The valve disk is assumed as a circular disk freely supported around its periphery and subjected to a uniformly distributed load Pmax. The disc is the part that allows, throttles, or stops the flow, depending on its position. It can be made up of carbon steel and alloy steel.

How to Calculate Bending Stress in Valve Disk?

Bending Stress in Valve Disk calculator uses Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder to calculate the Bending Stress in Valve Disk, Bending stress in valve disk is the maximum amount of bending stress that can be generated in the valve disk before its failure or fracture. Bending Stress in Valve Disk is denoted by σb_disk symbol.

How to calculate Bending Stress in Valve Disk using this online calculator? To use this online calculator for Bending Stress in Valve Disk, enter Diameter of Port (d_p), Material Constant (k_c), Thickness of Valve Disk (t) & Maximum Gas Pressure inside Cylinder (p_max) and hit the calculate button. Here is how the Bending Stress in Valve Disk calculation can be explained with given input values -> 5.3E-5 = ((0.04*0.5)/0.0055)^2*4000000.

FAQ

What is Bending Stress in Valve Disk?

Bending stress in valve disk is the maximum amount of bending stress that can be generated in the valve disk before its failure or fracture and is represented as σb_disk = ((d_p*k_c)/t)^2*p_max or Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder. Diameter of Port is the diameter of the opening of the port of an IC Engine, Material Constant is the constant value for the material used in a particular formula, Thickness of Valve Disk is the thickness of the circular valve disk of a valve and is the part of valve head & Maximum gas pressure inside cylinder is the maximum amount of pressure that can be generated inside the cylinder.

How to calculate Bending Stress in Valve Disk?

Bending stress in valve disk is the maximum amount of bending stress that can be generated in the valve disk before its failure or fracture is calculated using Bending Stress in Valve Disk = ((Diameter of Port*Material Constant)/Thickness of Valve Disk)^2*Maximum Gas Pressure inside Cylinder. To calculate Bending Stress in Valve Disk, you need Diameter of Port (d_p), Material Constant (k_c), Thickness of Valve Disk (t) & Maximum Gas Pressure inside Cylinder (p_max). With our tool, you need to enter the respective value for Diameter of Port, Material Constant, Thickness of Valve Disk & Maximum Gas Pressure inside Cylinder 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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