Container Internal Pressure During Thermal Processing
Calculates the total internal absolute pressure of a sealed container at a target process temperature by accounting for the thermal expansion of non-condensable headspace gases and the saturated vapor pressure of the product.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Initial Temperature Kelvin (T1)
- K
- K
Process Temperature Kelvin (T2)
- K
- K
Partial Pressure of Dry Gas at Sealing (Pgas1)
- kPa
- kPa
Partial Pressure of Dry Gas at Process Temperature (Pgas2)
- kPa
- kPa
Total Internal Pressure at Process Temperature (Ptotal2)
- kPa
- kPa
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Download Offline Excel CalculationContext & Assumptions
This calculation is essential for assessing the mechanical integrity of hermetically sealed containers during thermal sterilization processes. By determining the internal pressure rise, engineers can prevent container deformation and ensure the safety of packaging systems under high-temperature conditions.
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