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Modelling and Simulation of an Ohmic Heating Process

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Document pages: 17 pages

Abstract: OhmicHeating (OH) is one of the emerging thermal technologies used in foodprocessing which can produce rapid and uniform heating with close to 100 energy transfer efficiency. Although mathematical modelling for OH processes has been studied by many researchers inrecent years, systematic simulations of OH have not been developed formodel-based control of the processes. In this paper, mathematical model for a Colinear Ohmic Heater is presented,analyzed, and studied based on the selected configuration. A numerical solutionfor the mathematical equations has been defined and proposed. MATLAB Simulinkmodel is hence developed and validated against the available data. Simulationresults have shown that MATLAB Simulinkmodel can produce robust outputs at low computational costs with an accuracy ofup to 99.6 in comparison to the analytical solution. This model can be used infurther studies for analysis of the OH processes and development of advancedcontrollers.

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