Critical Freezing Rate Determination
Calculates the total freezing time and cooling rate for a one-dimensional infinite slab, accounting for latent heat removal and sensible cooling phases.
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1. Define Input Parameters
2. Engineering Output
Biot Number (Bi)
- dimensionless
- dimensionless
Freezing Front Arrival Time (t_front)
- s
- s
Thermal Diffusivity (alpha)
- m²/s
- m²/s
First-Term Series Coefficient (C1)
- dimensionless
- dimensionless
Sensible Cooling Time (t_sens)
- s
- s
Total Zone Passage Time (t_zone)
- s
- s
Average Cooling Rate (cooling_rate)
- K/min
- K/min
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The Critical Freezing Rate Determination is a fundamental calculation in food process engineering used to predict the time required for a product to transition through the critical ice-formation zone. This analysis helps engineers design industrial freezers that preserve the cellular structure and quality of biological materials by controlling ice crystal size.
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