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  2. Calorimeter - Wikipedia

    en.wikipedia.org/wiki/Calorimeter

    The heat capacity of the reactants (and the vessel) are measured by introducing a known amount of heat using a heater element (voltage and current) and measuring the temperature change. Adiabatic calorimeters most commonly used in materials science research to study reactions that occur at a constant pressure and volume.

  3. Heat meter - Wikipedia

    en.wikipedia.org/wiki/Heat_meter

    A heat meter, thermal energy meter or energy meter is a device which measures thermal energy provided by a source or delivered to a sink, by measuring the flow rate of the heat transfer fluid and the change in its temperature between the outflow and return legs of the system.

  4. Thermopile - Wikipedia

    en.wikipedia.org/wiki/Thermopile

    A thermopile is an electronic device that converts thermal energy into electrical energy. [1] It is composed of several thermocouples connected usually in series or, less commonly, in parallel . Such a device works on the principle of the thermoelectric effect , i.e., generating a voltage when its dissimilar metals (thermocouples) are exposed ...

  5. Thermodynamic instruments - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_instruments

    An ideal gas barometer may be constructed by mechanically connecting an ideal gas to the system being measured, while thermally insulating it. The volume will then measure pressure, by the ideal gas equation P = NkT/V. Calorimeter – a device which measures the heat energy added to a system. [4]

  6. Reaction calorimeter - Wikipedia

    en.wikipedia.org/wiki/Reaction_calorimeter

    Heat flow calorimetry allows the user to measure heat while the process temperature remains under control. While the driving force T r − T j is measured with a relatively high resolution, the overall heat transfer coefficient U or the calibration factor UA is determined by calibration before and after the reaction takes place.

  7. District heating substation - Wikipedia

    en.wikipedia.org/wiki/District_heating_substation

    A district heating substation with a thermal capacity of 700 kW. This unit isolates the water circuit of the district heating system from the customer's central heating system. A district heating substation in a residential neighborhood with a thermal capacity of 300 kW. Two components of the heat meter are visible: the metering electronics ...

  8. Here's How Often You Should Drain Your Water Heater ... - AOL

    www.aol.com/heres-often-drain-water-heater...

    Step 3: Attach a water hose to the drain valve at the bottom of your water heater and run the hose outside or into a nearby drain. You can use any generic hose for this step, and a garden hose ...

  9. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

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