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A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating .
A microwave cavity or radio frequency cavity (RF cavity) is a special type of resonator, consisting of a closed (or largely closed) metal structure that confines electromagnetic fields in the microwave or RF region of the spectrum. The structure is either hollow or filled with dielectric material. The microwaves bounce back and forth between ...
A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...
Industrial ovens are heated chambers used for a variety of industrial applications, including drying, curing, or baking components, parts or final products. Industrial ovens can be used for large or small volume applications, in batches or continuously with a conveyor line, and a variety of temperature ranges, sizes and configurations.
JMM Lee Properties announced in 2012 the reintroduction of Caloric appliances beginning with a line of stainless steel ovens and ranges in the fall of 2012. They plan on adding more built-in and countertop appliances over the following year. [7] In Canada, J.A.K. North America Inc. has the rights to market Caloric branded appliances. [8]
Small appliances in a kitchen: a food processor, a waffle iron, a coffee maker, and an electric kettle Glowing filaments of a modern 2-slice toaster. A small domestic appliance, also known as a small electric appliance or minor appliance or simply a small appliance, small domestic or small electric, [1] is a portable or semi-portable machine, generally used on table-tops, counter-tops or other ...
Microwave volumetric heating (MVH) overcomes the uneven absorption by applying an intense, uniform microwave field. Different compounds convert microwave radiation to heat by different amounts. This selectivity allows some parts of the object being heated to heat more quickly or more slowly than others (particularly the reaction vessel).
Among the advances made in ranges was the development of the convection oven. Malleable was the first manufacturer to install a circulating fan in an oven designed for home use in 1967. [7] Oil shortages in the mid-1970s gave the company some increase in sales of its Add-a-Furnace wood-burning furnaces. These furnaces were designed to be ...