Flexible Pouch Heat Transfer Enhancement
Calculates the transient heat conduction time for the cold point of a flexible pouch using the Heisler one-term approximation for systems with high Biot numbers.
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1. Define Input Parameters
2. Engineering Output
Reynolds number (Re_L)
- dimensionless
- dimensionless
Nusselt number (Nu)
- dimensionless
- dimensionless
Convective heat transfer coefficient (h)
- W/(m^2*K)
- W/(m^2*K)
Biot number (Bi)
- dimensionless
- dimensionless
Eigenvalue (lambda_1)
- rad
- rad
Coefficient (A_1)
- dimensionless
- dimensionless
Dimensionless temperature ratio (theta)
- dimensionless
- dimensionless
Fourier number (Fo)
- dimensionless
- dimensionless
Process time (t)
- s
- s
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This calculation models the thermal processing of food in flexible pouches to ensure commercial sterility while optimizing cycle times. By applying the Heisler one-term approximation, engineers can accurately predict the time required for the pouch's geometric center to reach target temperatures under convective heating conditions.
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