Industrialgas Engineering

COPV Thermal Expansion Mismatch Stress in Composite Overwrap Calculator

COPV Thermal Expansion Mismatch Stress in Composite Overwrap engineering calculator.

Quick Answer

Calculate COPV Thermal Expansion Mismatch Stress in Composite Overwrap

Calculator

Thermal Expansion Mismatch Stress in Composite Overwrap (Pa)
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Result Interpretation

COPV Thermal Expansion Mismatch Stress in Composite Overwrap Calculator computes Thermal Expansion Mismatch Stress in Composite Overwrap in Pa using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Composite Overwrap Axial Elastic Modulus = 75000000000
  • Operating Temperature = 323.15
  • Reference (Manufacturing/Proof) Temperature = 293.15
  • Metallic Liner Coefficient of Thermal Expansion (CTE) = 1.65E-5
  • Composite Overwrap Coefficient of Thermal Expansion (CTE) = 1.2E-6

Expected Result:

  • Thermal Expansion Mismatch Stress in Composite Overwrap = -34425000

Engineering Interpretation:

Under the given input conditions, the calculated result is: Thermal Expansion Mismatch Stress in Composite Overwrap = -34425000 Pa.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

thermal expansion mismatch stress in composite overwrap = composite overwrap axial elastic modulus * CTE * (operating temperature - Manufacturing/Proof) - composite overwrap axial elastic modulus * CTE * (operating temperature - Manufacturing/Proof)

Formula family: formula_industrialgas_industrial_gas_cylinder_thermal_expansion_stress_check_for_composite_overwrapped_pressure_vessels_copvs

Variables

SymbolLabelRoleDescription
E_composite Composite Overwrap Axial Elastic Modulus INPUT Composite Overwrap Axial Elastic Modulus
alpha_composite Composite Overwrap Coefficient of Thermal Expansion (CTE) INPUT Composite Overwrap Coefficient of Thermal Expansion (CTE)
alpha_liner Metallic Liner Coefficient of Thermal Expansion (CTE) INPUT Metallic Liner Coefficient of Thermal Expansion (CTE)
T_operating Operating Temperature INPUT Operating Temperature
T_reference Reference (Manufacturing/Proof) Temperature INPUT Reference (Manufacturing/Proof) Temperature
Thermal Expansion Mismatch Stress in Composite Overwrap Thermal Expansion Mismatch Stress in Composite Overwrap OUTPUT Thermal Expansion Mismatch Stress in Composite Overwrap

Calculation Steps

  1. Enter the composite overwrap axial elastic modulus in Pa.
  2. Enter the composite overwrap coefficient of thermal expansion (cte) in 1/K.
  3. Enter the metallic liner coefficient of thermal expansion (cte) in 1/K.
  4. Enter the operating temperature in K.
  5. Enter the reference (manufacturing/proof) temperature in K.
  6. Step 1: Compute thermal expansion mismatch stress in composite overwrap.
  7. Read the thermal expansion mismatch stress in composite overwrap (Pa) from the results.

Engineering Summary

Calculate COPV Thermal Expansion Mismatch Stress in Composite Overwrap

Frequently Asked Questions

What does this calculator calculate?

The COPV Thermal Expansion Mismatch Stress in Composite Overwrap Calculator estimates Thermal Expansion Mismatch Stress in Composite Overwrap based on the input parameters you provide

Why is composite overwrap axial elastic modulus important in this calculation?

composite overwrap axial elastic modulus is directly proportional to thermal expansion mismatch stress in composite overwrap. When you enter composite overwrap axial elastic modulus in Pa, the calculator uses it in the engineering formula to compute the output

How should I interpret the result thermal expansion mismatch stress in composite overwrap?

The calculator outputs thermal expansion mismatch stress in composite overwrap in Pa. For higher pressures, divide by 1000 to express in kPa, or by 101325 for atmospheres. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Composite Overwrap Axial Elastic Modulus (Pa), Composite Overwrap Coefficient of Thermal Expansion (CTE) (1/K), Metallic Liner Coefficient of Thermal Expansion (CTE) (1/K), Operating Temperature (K), Reference (Manufacturing/Proof) Temperature (K). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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