Abstract
AbstractA radio frequency chamber for rapid food thawing is presented. The proposed chamber is mainly composed of an aluminum shell, a plastic tray, and two metal cylinders with two metal disks located in the top and bottom of the chamber. The size of the thawing chamber is 300 × 300 × 230 mm. The proposed chamber resonates at a frequency of 433 MHz. The influences of the size of the frozen models and the chamber structure on the resonant frequency are analyzed. The simulated electric field of the chamber is distributed evenly and concentrated. Experimental results demonstrate that the proposed chamber can provide a fast and uniform thawing effect compared with the other three current methods.
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