Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring Calculator

✖Wahl Factor of Valve Spring is a stress factor used in order to take into account the effect of direct shear and change in coil curvature.ⓘ Wahl Factor of Valve Spring [K]			+10% -10%
✖Axial Force on Valve Spring is the force acting at the ends of spring trying to compress or expand it in the axial direction.ⓘ Axial Force on Valve Spring [P]			+10% -10%
✖Spring Index for Valve Spring is the ratio of the mean coil diameter of the spring to the diameter of the spring Wire.ⓘ Spring Index for Valve Spring [C]			+10% -10%
✖Wire Diameter of Valve Spring is the diameter of the wire of a valve spring, which constitutes the coils of the spring.ⓘ Wire Diameter of Valve Spring [d_w]			+10% -10%

✖Shear Stress in Valve Spring is the stress induced into the spring due to its compression and expansion.ⓘ Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring [f_s]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download IC Engine Formula PDF PDF Image

Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring Solution

STEP 0: Pre-Calculation Summary

Formula Used

Shear Stress in Valve Spring = (8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Wire Diameter of Valve Spring^2)
f_s = (8*K*P*C)/(pi*d_w^2)
This formula uses 1 Constants, 5 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Shear Stress in Valve Spring - (Measured in Pascal) - Shear Stress in Valve Spring is the stress induced into the spring due to its compression and expansion.
Wahl Factor of Valve Spring - Wahl Factor of Valve Spring is a stress factor used in order to take into account the effect of direct shear and change in coil curvature.
Axial Force on Valve Spring - (Measured in Newton) - Axial Force on Valve Spring is the force acting at the ends of spring trying to compress or expand it in the axial direction.
Spring Index for Valve Spring - Spring Index for Valve Spring is the ratio of the mean coil diameter of the spring to the diameter of the spring Wire.
Wire Diameter of Valve Spring - (Measured in Meter) - Wire Diameter of Valve Spring is the diameter of the wire of a valve spring, which constitutes the coils of the spring.

STEP 1: Convert Input(s) to Base Unit

Wahl Factor of Valve Spring: 1.2 --> No Conversion Required
Axial Force on Valve Spring: 340 Newton --> 340 Newton No Conversion Required
Spring Index for Valve Spring: 8 --> No Conversion Required
Wire Diameter of Valve Spring: 5.5 Millimeter --> 0.0055 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_s = (8*K*P*C)/(pi*d_w^2) --> (8*1.2*340*8)/(pi*0.0055^2)

Evaluating ... ...

f_s = 274767198.282021

STEP 3: Convert Result to Output's Unit

274767198.282021 Pascal -->274.767198282021 Newton per Square Millimeter (Check conversion here)

FINAL ANSWER

274.767198282021 ≈ 274.7672 Newton per Square Millimeter <-- Shear Stress in Valve Spring

(Calculation completed in 00.004 seconds)

You are here -

Home » Physics » IC Engine » Design of IC Engine Components » Mechanical » Valve Spring » Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring

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

Anshika Arya has verified this Calculator and 2500+ more calculators!

< Valve Spring Calculators

Diameter of Wire of Engine Valve Spring

LaTeX Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*((Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve)*Spring Index for Valve Spring))/(pi*Shear Stress in Valve Spring))

Diameter of Wire of Engine Valve Spring given Torsional Shear Stress in Wire

LaTeX Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Shear Stress in Valve Spring))

Spring Index of Engine Valve Spring given Shear Stress, Maximum Force and Wire Diameter

LaTeX Go Spring Index for Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Wahl Factor of Valve Spring*Axial Force on Valve Spring)

Diameter of Wire of Engine Valve Spring given Mean Coil Diameter

LaTeX Go Wire Diameter of Valve Spring = Mean Coil Diameter of Valve Spring/8

Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring Formula

LaTeX Go

Shear Stress in Valve Spring = (8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Wire Diameter of Valve Spring^2)
f_s = (8*K*P*C)/(pi*d_w^2)

Assumptions for valve spring design

(i) The spring is made of oil-hardened and tempered valve spring wire of Grade-VW.
(ii) The stiffness of the spring is 10 N/mm.
(iii) The allowable torsional shear stress for spring material is 250 to 350 N/mm2.
(iv) The spring index (D/d) is 8.
(v) The spring has square and ground ends.

How to Calculate Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring?

Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring calculator uses Shear Stress in Valve Spring = (8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Wire Diameter of Valve Spring^2) to calculate the Shear Stress in Valve Spring, Torsional shear stress in wire of engine valve spring given maximum force on spring is the shear stress produced in the spring wire due to the torsional moment onto the spring wire. Shear Stress in Valve Spring is denoted by f_s symbol.

How to calculate Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring using this online calculator? To use this online calculator for Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring, enter Wahl Factor of Valve Spring (K), Axial Force on Valve Spring (P), Spring Index for Valve Spring (C) & Wire Diameter of Valve Spring (d_w) and hit the calculate button. Here is how the Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring calculation can be explained with given input values -> 0.000275 = (8*1.2*340*8)/(pi*0.0055^2).

FAQ

What is Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring?

Torsional shear stress in wire of engine valve spring given maximum force on spring is the shear stress produced in the spring wire due to the torsional moment onto the spring wire and is represented as f_s = (8*K*P*C)/(pi*d_w^2) or Shear Stress in Valve Spring = (8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Wire Diameter of Valve Spring^2). Wahl Factor of Valve Spring is a stress factor used in order to take into account the effect of direct shear and change in coil curvature, Axial Force on Valve Spring is the force acting at the ends of spring trying to compress or expand it in the axial direction, Spring Index for Valve Spring is the ratio of the mean coil diameter of the spring to the diameter of the spring Wire & Wire Diameter of Valve Spring is the diameter of the wire of a valve spring, which constitutes the coils of the spring.

How to calculate Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring?

Torsional shear stress in wire of engine valve spring given maximum force on spring is the shear stress produced in the spring wire due to the torsional moment onto the spring wire is calculated using Shear Stress in Valve Spring = (8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Wire Diameter of Valve Spring^2). To calculate Torsional Shear Stress in Wire of Engine Valve Spring given Maximum Force on Spring, you need Wahl Factor of Valve Spring (K), Axial Force on Valve Spring (P), Spring Index for Valve Spring (C) & Wire Diameter of Valve Spring (d_w). With our tool, you need to enter the respective value for Wahl Factor of Valve Spring, Axial Force on Valve Spring, Spring Index for Valve Spring & Wire Diameter of Valve Spring 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 Shear Stress in Valve Spring?

In this formula, Shear Stress in Valve Spring uses Wahl Factor of Valve Spring, Axial Force on Valve Spring, Spring Index for Valve Spring & Wire Diameter of Valve Spring. We can use 1 other way(s) to calculate the same, which is/are as follows -

Shear Stress in Valve Spring = ((8*Wahl Factor of Valve Spring*(Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve*Spring Index for Valve Spring))/(pi*Wire Diameter of Valve Spring^2))

Home

FREE PDFs

🔍 Search