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  2. Thermocouple - Wikipedia

    en.wikipedia.org/wiki/Thermocouple

    A thermocouple (the right most tube) inside the burner assembly of a water heater Thermocouple connection in gas appliances. The end ball (contact) on the left is insulated from the fitting by an insulating washer. The thermocouple line consists of copper wire, insulator and outer metal (usually copper) sheath which is also used as ground. [33]

  3. How to safely restart your wall heater — and get help if needed

    www.aol.com/news/safely-restart-wall-heater-help...

    Some people may be turning on their heater for the first time this season. Here's how to make sure it's working properly, and how to seek help if it's not.

  4. Heating element - Wikipedia

    en.wikipedia.org/wiki/Heating_element

    This characteristic of PTC heaters makes them self-regulating, as their power stabilizes at fixed temperatures. On the other hand, NTC-type heaters generally require a thermostat or a thermocouple in order to control the heater runaway. These heaters are used in applications which require a quick ramp-up of heater temperature to a predetermined ...

  5. Thermowell - Wikipedia

    en.wikipedia.org/wiki/Thermowell

    A temperature sensor, such as a thermometer, thermocouple, or resistance temperature detector, is inserted in the open end of the tube, which is usually in the open air outside the piping or vessel and any thermal insulation. Thermodynamically, the process fluid transfers heat to the thermowell wall, which in turn transfers heat to the sensor ...

  6. Pierre-Émile Martin - Wikipedia

    en.wikipedia.org/wiki/Pierre-Émile_Martin

    Pierre-Émile Martin (French: [pjɛʁ emil maʁtɛ̃]; 18 August 1824, Bourges, Cher – 23 May 1915, Fourchambault) was a French industrial engineer. He applied the principle of recovery of the hot gas in an open hearth furnace , a process invented by Carl Wilhelm Siemens .

  7. Thermoelectric cooling - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_cooling

    Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.