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  2. Joule heating - Wikipedia

    en.wikipedia.org/wiki/Joule_heating

    Joule heating affects the whole electric conductor, unlike the Peltier effect which transfers heat from one electrical junction to another. Joule-heating or resistive-heating is used in many devices and industrial processes. The part that converts electricity into heat is called a heating element. Among the applications are:

  3. Electrical resistance heating - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistance_heating

    The resistance to electrical flow that exists in the soil causes the formation of heat; resulting in an increase in temperature until the boiling point of water at depth is reached. After reaching this temperature, further energy input causes a phase change, forming steam and removing volatile contaminants.

  4. Electrode boiler - Wikipedia

    en.wikipedia.org/wiki/Electrode_boiler

    On larger systems the pump can be controlled by a variable frequency drive so energy is not wasted. This control system can also control de-aerator pumps and controls. The electrodes are connected to a medium-voltage (1–35 kV) AC source. Electrode boilers can work on both single-phase and three-phase supplies.

  5. Electric heating - Wikipedia

    en.wikipedia.org/wiki/Electric_heating

    The electrification of heat of space and water heating is increasingly proposed as a way forward to decarbonise the current energy system, particularly with heat pumps. In case of large-scale electrification, impacts on the electricity grid due to potential increase in peak electricity demand and exposure to extreme weather events needs to be ...

  6. Thermal conductance and resistance - Wikipedia

    en.wikipedia.org/wiki/Thermal_conductance_and...

    Conversely, thermal resistance (R) measures the opposition to the heat current in a material or system. It is measured in units of kelvins per watt (K/W) and indicates how much temperature difference (in kelvins) is required to transfer a unit of heat current (in watts) through the material or object.

  7. Heating element - Wikipedia

    en.wikipedia.org/wiki/Heating_element

    A heating element is a device used for conversion of electric energy into heat, consisting of a heating resistor and accessories. [1] Heat is generated by the passage of electric current through a resistor through a process known as Joule heating. Heating elements are used in household appliances, industrial equipment, and scientific ...

  8. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    District heating systems supply energy for water heating and space heating from combined heat and power (CHP) plants such as incinerators, central heat pumps, waste heat from industries, geothermal heating, and central solar heating. Actual heating of tap water is performed in heat exchangers at the consumers' premises.

  9. Liquid rheostat - Wikipedia

    en.wikipedia.org/wiki/Liquid_rheostat

    A liquid rheostat or water rheostat [1] or salt water rheostat is a type of variable resistor. This may be used as a dummy load or as a starting resistor for large slip ring motors. In the simplest form it consists of a tank containing brine or other electrolyte solution, in which electrodes are submerged to create an electrical load .

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