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Dielectric heating information


A microwave oven uses dielectric heating to cook food.

Dielectric heating, also known as electronic heating, radio frequency heating, and high-frequency heating, is the process in which a radio frequency (RF) alternating electric field, or radio wave or microwave electromagnetic radiation heats a dielectric material. At higher frequencies, this heating is caused by molecular dipole rotation within the dielectric.

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Dielectric heating

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Dielectric heating, also known as electronic heating, radio frequency heating, and high-frequency heating, is the process in which a radio frequency (RF)...

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Microwave oven

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the food to rotate and produce thermal energy in a process known as dielectric heating. Microwave ovens heat foods quickly and efficiently because excitation...

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Electric heating

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heating Diathermy Dielectric heating Electroslag welding Electroslag remelting Energy conservation Head-end power Heater (types of heaters) Heating,...

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Dielectric

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electromagnetism, a dielectric (or dielectric medium) is an electrical insulator that can be polarised by an applied electric field. When a dielectric material is...

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Joule heating

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R} Dielectric heating – Heating using radio waves Heating element – Device that converts electricity into heat Induction heating – Process of heating an...

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Microwave

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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...

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Dielectric strength

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In physics, the term dielectric strength has the following meanings: for a pure electrically insulating material, the maximum electric field that the material...

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Permittivity

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letter ε (epsilon), is a measure of the electric polarizability of a dielectric material. A material with high permittivity polarizes more in response...

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Capacitor

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Reversal creates excess electric fields in the dielectric, causes excess heating of both the dielectric and the conductors, and can dramatically shorten...

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Electromagnetic field

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such, are used commercially as near-fields mainly as a source of dielectric heating. Otherwise, they appear parasitically around conductors which absorb...

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Electrical breakdown

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electrical breakdown or dielectric breakdown is a process that occurs when an electrically insulating material (a dielectric), subjected to a high enough...

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Electrosurgery

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synonym for electrosurgery but in other contexts diathermy means dielectric heating, produced by rotation of molecular dipoles in a high frequency electromagnetic...

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Microwave welding

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thermoplastic base materials that are melted by the phenomenon of dielectric heating. Dielectric heating Plastic welding Radio-frequency welding Plastics and composites...

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Biomedical waste

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non-contact heating technologies for disinfection. Microwave chemistry is based on efficient heating of materials by microwave dielectric heating effects...

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Vacuum variable capacitor

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tuners. Industrially they are used in plasma generating equipment, for dielectric heating, and in semiconductor manufacturing. The main applications today are...

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Specific absorption rate

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AND ACTION LEVELS IN THE FREQUENCY RANGE FROM 100 kHz TO 300 GHz". Dielectric heating Electromagnetic radiation and health Jin, Jianming (1998). Electromagnetic...

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Deep Heat

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album from Telstar Records Deep Heat (Oh Mercy album), 2012 A form of dielectric heating This disambiguation page lists articles associated with the title...

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Induction furnace

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or 'Low Frequency' Induction Furnaces", pp. 153–252 Induction and Dielectric Heating. Electricity and Productivity Series, Nº6. British Electrical Development...

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Fusion power

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electron cyclotron resonance heating, using for example gyrotrons, or dielectric heating. Magnetic reconnection: when plasma gets dense, its electromagnetic...

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Active Denial System

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exciting the water and fat molecules in the skin, and instantly heating them via dielectric heating. One significant difference is that a microwave oven uses...

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Water heating

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Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include...

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Transmission line

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ohmic heating). At high frequencies, another effect called dielectric loss becomes significant, adding to the losses caused by resistance. Dielectric loss...

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Microwave volumetric heating

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Pasteurization Flash pasteurization Food preservation Microwave chemistry Dielectric heating Technology Strategy Board. 2012. https://connect.innovateuk...

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Electromagnetic radiation and health

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electromagnetic fields as possibly carcinogenic to humans (Group 2B). Dielectric heating from electromagnetic radiation can create a biological hazard. For...

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Immersion cooling

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is an IT cooling practice by which complete servers are immersed in a dielectric, electrically non-conductive fluid that has significantly higher thermal...

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Ceramic capacitor

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capacitor is a fixed-value capacitor where the ceramic material acts as the dielectric. It is constructed of two or more alternating layers of ceramic and a...

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Magnesium oxide

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permittivity inbetween 3.2 to 9.9 k {\displaystyle k} with an approximate dielectric loss of tan(δ) > 2.16x103 at 1kHz. Magnesium oxide is produced by the...

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