Home
Back
Formula Used:
| From: | To: |
The wheel diameter formula calculates the diameter of a wheel based on hoop stress, Young's modulus, and tyre diameter. It accounts for the stress-strain relationship in wheel materials under pressure.
The calculator uses the formula:
Where:
Explanation: The formula calculates the wheel diameter by considering the ratio of hoop stress to Young's modulus, which represents the material's deformation under stress, multiplied by the tyre diameter.
Details: Accurate wheel diameter calculation is crucial for vehicle design, performance optimization, and ensuring proper fit between wheels and tyres in automotive engineering.
Tips: Enter hoop stress and Young's modulus in Pascal, and tyre diameter in meters. All values must be positive and valid.
Q1: What is hoop stress in wheel design?
A: Hoop stress is the circumferential stress that occurs in wheel materials when pressure is applied, affecting the wheel's structural integrity.
Q2: Why is Young's modulus important in this calculation?
A: Young's modulus measures the stiffness of the material and determines how much it will deform under stress, directly impacting the final wheel diameter.
Q3: How does tyre diameter relate to wheel diameter?
A: The wheel diameter is typically slightly larger than the tyre diameter, and the formula accounts for this relationship through the stress-strain factor.
Q4: What units should be used for input values?
A: All stress values should be in Pascal (Pa), and diameter values in meters (m) for consistent results.
Q5: Are there limitations to this formula?
A: This formula provides an approximation and may need adjustments for specific materials, temperature variations, or complex wheel designs.