Industrialgas Engineering

COPV Overwrap Interfacial Thermal Stress from CTE Mismatch calculator

COPV Overwrap Interfacial Thermal Stress from CTE Mismatch engineering calculator.

Runnable This tool can run, but independent engineering verification has not been established.

Quick Answer

Calculate COPV Overwrap Interfacial Thermal Stress from CTE Mismatch

Calculator

Interfacial Thermal Stress (Pa)
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Result Interpretation

COPV Overwrap Interfacial Thermal Stress from CTE Mismatch calculator computes Interfacial Thermal Stress in Pa using the defined engineering formula and the input values provided. Interfacial Thermal Stress is expressed in Pa. No universal acceptance threshold is defined by this calculator.

Worked Example

Verified calculation

Given:

  • Overwrap Elastic Modulus = 120000000000
  • Overwrap Coefficient of Thermal Expansion = 3.2E-6
  • Liner Coefficient of Thermal Expansion = 1.65E-5
  • Initial (Ambient) Temperature = 293.15
  • Operating (Cryogenic) Temperature = 77.36

Expected Result:

  • Interfacial Thermal Stress = -344400840

Engineering Interpretation:

Under the given input conditions, the calculated result is: Interfacial Thermal Stress = -344400840 Pa.

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

Formula / Method

interfacial thermal stress = overwrap elastic modulus * overwrap coefficient of thermal expansion * (Ambient - Cryogenic) - overwrap elastic modulus * liner coefficient of thermal expansion * (Ambient - Cryogenic)

Formula family: formula_industrialgas_copv_thermal_expansion_mismatch_stress_in_overwrap_calculator

Variables

SymbolLabelRoleDescription
E_overwrap Overwrap Elastic Modulus INPUT Overwrap Elastic Modulus
alpha_overwrap Overwrap Coefficient of Thermal Expansion INPUT Overwrap Coefficient of Thermal Expansion
alpha_liner Liner Coefficient of Thermal Expansion INPUT Liner Coefficient of Thermal Expansion
T_initial Initial (Ambient) Temperature INPUT Initial (Ambient) Temperature
T_operating Operating (Cryogenic) Temperature INPUT Operating (Cryogenic) Temperature
interfacial_thermal_stress Interfacial Thermal Stress OUTPUT Interfacial Thermal Stress

Calculation Steps

  1. Enter the overwrap elastic modulus in Pa.
  2. Enter the overwrap coefficient of thermal expansion in 1/K.
  3. Enter the liner coefficient of thermal expansion in 1/K.
  4. Enter the initial (ambient) temperature in K.
  5. Enter the operating (cryogenic) temperature in K.
  6. Step 1: Compute interfacial thermal stress.
  7. Read the interfacial thermal stress (Pa) from the results.

Engineering Summary

Calculate COPV Overwrap Interfacial Thermal Stress from CTE Mismatch

Frequently Asked Questions

What does this calculator calculate?

The COPV Overwrap Interfacial Thermal Stress from CTE Mismatch calculator estimates Interfacial Thermal Stress based on the input parameters you provide

Why is overwrap elastic modulus important in this calculation?

overwrap elastic modulus is used directly in the calculation of interfacial thermal stress. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter overwrap elastic modulus in Pa, the calculator uses it in the engineering formula to compute the output

How should I interpret the result interfacial thermal stress?

The calculator outputs interfacial thermal stress 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: Overwrap Elastic Modulus (Pa), Overwrap Coefficient of Thermal Expansion (1/K), Liner Coefficient of Thermal Expansion (1/K), Initial (Ambient) Temperature (K), Operating (Cryogenic) 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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