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  2. Thermoscope - Wikipedia

    en.wikipedia.org/wiki/Thermoscope

    A thermoscope is a device that shows changes in temperature. A typical design is a tube in which a liquid rises and falls as the temperature changes.

  3. Energy storage - Wikipedia

    en.wikipedia.org/wiki/Energy_storage

    Storage capacity is the amount of energy extracted from an energy storage device or system; usually measured in joules or kilowatt-hours and their multiples, it may be given in number of hours of electricity production at power plant nameplate capacity; when storage is of primary type (i.e., thermal or pumped-water), output is sourced only with ...

  4. Photoswitch - Wikipedia

    en.wikipedia.org/wiki/Photoswitch

    Incorporation of photoswitchable molecules into porous metal organic frameworks that can uptake of gaseous molecules like carbon dioxide as well as contribute to optoelectronics, nanomedicine, and better energy storage. By changing the chemical properties of the pores, adsorption and desorption of gases can be tuned for advancements in smart ...

  5. Heat transfer physics - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer_physics

    The macroscopic energy equation for infinitesimal volume used in heat transfer analysis is [6] = +, ˙, where q is heat flux vector, −ρc p (∂T/∂t) is temporal change of internal energy (ρ is density, c p is specific heat capacity at constant pressure, T is temperature and t is time), and ˙ is the energy conversion to and from thermal ...

  6. Thermal energy storage - Wikipedia

    en.wikipedia.org/wiki/Thermal_energy_storage

    A steam accumulator consists of an insulated steel pressure tank containing hot water and steam under pressure. As a heat storage device, it is used to mediate heat production by a variable or steady source from a variable demand for heat. Steam accumulators may take on a significance for energy storage in solar thermal energy projects.

  7. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    Metallic hydrogen (recombination energy) 216 [2] Specific orbital energy of Low Earth orbit (approximate) 33.0: Beryllium + Oxygen: 23.9 [3] Lithium + Fluorine: 23.75 [citation needed] Octaazacubane potential explosive: 22.9 [4] Hydrogen + Oxygen: 13.4 [5] Gasoline + Oxygen –> Derived from Gasoline: 13.3 [citation needed] Dinitroacetylene ...

  8. Temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Temperature_measurement

    One of the most common devices for measuring temperature is the glass thermometer. This consists of a glass tube filled with mercury or some other liquid, which acts as the working fluid. Temperature increase causes the fluid to expand, so the temperature can be determined by measuring the volume of the fluid.

  9. Thermodynamic instruments - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_instruments

    A calorimeter is a device which is used to measure and define the internal energy of a system. Some common thermodynamic meters are: Thermometer – a device which measures temperature as described above; Barometer – a device which measures pressure, most notably atmospheric pressure. [3]