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A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage.
A ceramic heater as a consumer product is a space heater that generates heat using a heating element of ceramic with a positive temperature coefficient (PTC). [1] [2] [failed verification] Ceramic heaters are usually portable and typically used for heating a room or small office, and are of similar utility to metal-element fan heaters.
A flexible PTC heater made of conductive rubber. Resistive heaters can be made of conducting PTC rubber materials where the resistivity increases exponentially with increasing temperature. [12] Such a heater will produce high power when it is cold, and rapidly heat itself to a constant temperature.
The PTC rubber material is a self-regulating heater. It produces the same amount of heat in each point of the heater as is conducted and radiated away from the heater to the object it is attached to, and its surroundings. It is in constant thermal equilibrium with the environment, point by point.
This page was last edited on 25 June 2023, at 14:27 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
30 kW resistance heating coils This radiant heater uses tungsten halogen lamps. Electric heating is a process in which electrical energy is converted directly to heat energy. Common applications include space heating, cooking, water heating and industrial processes. An electric heater is an electrical device that converts an electric current ...
If too much current is passed through the device, the device will begin to heat. As the device heats, the polymer will expand, changing from a crystalline into an amorphous state. [ 4 ] The expansion separates the carbon particles and breaks the conductive pathways, causing the device to heat faster and expand more, further raising the ...
A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [6] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...
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