Mathematical modelling and simulation of the thermal processing of anisotropic and non-homogeneous conduction-heated canned foods: Application to canned tuna

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Mathematical Modelling and Simulation of the Thermal Processing of Anisotropic and Non-homogeneous Conduction-heated Canned Foods: Application to Canned Tuna

Thermal processing of conduction-heated canned foods is modelled using three approaches: (A) homogeneous isotropic, (B) homogeneous anisotropic and (C) nonhomogeneous anisotropic systems. Based on these models, numerical simulations are performed, using finite differences and finite elements methods. The simulation results are validated with experimental data obtained from the sterilization of ...

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HARRIS, R. J. C. 1954 Biological applications of freezing and drying. Academic Press, Inc., New York, New York. HECKLY, R. J. 1955 Rapid and precise measurement of moisture in biological materials. Science, 122, 760-761. MERYMAN, H. T. 1956 Mechanics of freezing in living tissues. Science, 124, 515-521. MILES, A. A., MISRA, S. S., AND IRWIN, J. 0. 1938 The estimation of bactericidal power of th...

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Combined Irradiation-Heat Processing of Canned Foods

The quantity of ionizing radiations needed to sterilize canned foods generally impairs both their nutritive qualities and palatability (Hannan, 1955; Schultz et al., 1956). However, thermal processes also lower these qualities in canned foods (Stumbo, 1949). In both instances, the extent of damage increases with the severity of the treatments. Consequently, the heat processing schedules that ar...

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On-line Quality Control of Non-linear Batch Systems: Application to the Thermal Processing of Canned Foods

The recently developed Q-PI approach for quality control of linear continuous systems is extended to non-linear batch systems. The new control law contains proportional and integral terms with which the operators are intimately familiar. It is shown that control quality may be improved or costs reduced, consistent with the process specifications, by adjusting the tuning constants of the control...

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Learning control for batch thermal sterilization of canned foods.

A control technique based on Reinforcement Learning is proposed for the thermal sterilization of canned foods. The proposed controller has the objective of ensuring a given degree of sterilization during Heating (by providing a minimum temperature inside the cans during a given time) and then a smooth Cooling, avoiding sudden pressure variations. For this, three automatic control valves are man...

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ژورنال

عنوان ژورنال: Journal of Food Engineering

سال: 1993

ISSN: 0260-8774

DOI: 10.1016/0260-8774(93)90053-m