1. Overview of microwave heating

1.1 Electromagnetic waves

Microwaves or hyperfrequencies are non-ionizing radiations forming part of the electromagnetic spectrum, occupying a frequency band of three decades, from 300 GHz to 300 MHz. The associated wavelengths range from 1 mm to 1 m (figure 1 ).

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Microwave drying

Bibliography

(1) - KHRAISHEH (M.A.M.), COOPER (T.J.R.), MAGEE (T.R.A.) - Microwave and air drying. Fundamental considerations and assumptions for the simplified thermal calculations of volumetric power absorption. - Journal of Food Engineering, vol. 33, p. 207 (1997).
(2) - FUNEBO...