Number of Active Turns of Engine Valve Spring given Total Turns Solution

STEP 0: Pre-Calculation Summary
Formula Used
Active Coils in Valve Spring = Total Coils in Valve Spring-2
N = Nt-2
This formula uses 2 Variables
Variables Used
Active Coils in Valve Spring - Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.
Total Coils in Valve Spring - Total Coils in Valve Spring is the total number of coils or turns of spring including the coils at the ends of the spring.
STEP 1: Convert Input(s) to Base Unit
Total Coils in Valve Spring: 15 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
N = Nt-2 --> 15-2
Evaluating ... ...
N = 13
STEP 3: Convert Result to Output's Unit
13 --> No Conversion Required
FINAL ANSWER
13 <-- Active Coils in Valve Spring
(Calculation completed in 00.004 seconds)

Credits

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Created by Saurabh Patil
Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore
Saurabh Patil has created this Calculator and 700+ more calculators!
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Verified by Ravi Khiyani
Shri Govindram Seksaria Institute of Technology and Science (SGSITS), Indore
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​ 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

Number of Active Turns of Engine Valve Spring given Total Turns Formula

​LaTeX ​Go
Active Coils in Valve Spring = Total Coils in Valve Spring-2
N = Nt-2

Why is shot peening done?

Maximum stress occurs at the wire surface, and any surface defects, therefore, reduce fatigue life. Shot peening can improve fatigue life by creating a residually-stressed surface area that resists fatigue cracks.

How to Calculate Number of Active Turns of Engine Valve Spring given Total Turns?

Number of Active Turns of Engine Valve Spring given Total Turns calculator uses Active Coils in Valve Spring = Total Coils in Valve Spring-2 to calculate the Active Coils in Valve Spring, The Number of active turns of engine valve spring given total turns is the number of coils or turns in the engine valve spring that actually contributes to the load-bearing capacity of the spring. Active Coils in Valve Spring is denoted by N symbol.

How to calculate Number of Active Turns of Engine Valve Spring given Total Turns using this online calculator? To use this online calculator for Number of Active Turns of Engine Valve Spring given Total Turns, enter Total Coils in Valve Spring (Nt) and hit the calculate button. Here is how the Number of Active Turns of Engine Valve Spring given Total Turns calculation can be explained with given input values -> 13 = 15-2.

FAQ

What is Number of Active Turns of Engine Valve Spring given Total Turns?
The Number of active turns of engine valve spring given total turns is the number of coils or turns in the engine valve spring that actually contributes to the load-bearing capacity of the spring and is represented as N = Nt-2 or Active Coils in Valve Spring = Total Coils in Valve Spring-2. Total Coils in Valve Spring is the total number of coils or turns of spring including the coils at the ends of the spring.
How to calculate Number of Active Turns of Engine Valve Spring given Total Turns?
The Number of active turns of engine valve spring given total turns is the number of coils or turns in the engine valve spring that actually contributes to the load-bearing capacity of the spring is calculated using Active Coils in Valve Spring = Total Coils in Valve Spring-2. To calculate Number of Active Turns of Engine Valve Spring given Total Turns, you need Total Coils in Valve Spring (Nt). With our tool, you need to enter the respective value for Total Coils in 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 Active Coils in Valve Spring?
In this formula, Active Coils in Valve Spring uses Total Coils in Valve Spring. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Active Coils in Valve Spring = (Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)/(8*Mean Coil Diameter of Valve Spring^3*Stiffness of Valve Spring)
  • Active Coils in Valve Spring = (Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4*Maximum Compression in Valve Spring)/(8*Axial Force on Valve Spring*Mean Coil Diameter of Valve Spring^3)
  • Active Coils in Valve Spring = Free Length of Valve Spring/Pitch of Valve Spring-1
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