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  2. Operating temperature - Wikipedia

    en.wikipedia.org/wiki/Operating_temperature

    An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and ranges from the minimum operating temperature to the maximum operating temperature (or peak operating ...

  3. Mean radiant temperature - Wikipedia

    en.wikipedia.org/wiki/Mean_radiant_temperature

    The concept of mean radiant temperature ( MRT) is used to quantify the exchange of radiant heat between a human and their surrounding environment, with a view to understanding the influence of surface temperatures on personal comfort. Mean radiant temperature has been both qualitatively defined and quantitatively evaluated for both indoor and ...

  4. Room temperature - Wikipedia

    en.wikipedia.org/wiki/Room_temperature

    Retrieved 4 April 2018. 1.2.3.3 Definition of Room Temperature: According to the United States Pharmacopeia National Forumlary [ sic] (USP-NF), the definition of room temperature is between 15 and 30 °C in the United States. However, in the EU, the room temperature is defined as being 15 to 25 °C, while in Japan, it is defined being 1 to 30 °C.

  5. Temperature - Wikipedia

    en.wikipedia.org/wiki/Temperature

    Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness. Temperature is measured with a ... [citation needed] ...

  6. Wet-bulb globe temperature - Wikipedia

    en.wikipedia.org/wiki/Wet-bulb_globe_temperature

    The wet-bulb globe temperature ( WBGT) is a measure of environmental heat as it affects humans. Unlike a simple temperature measurement, WBGT accounts for all four major environmental heat factors: air temperature, humidity, radiant heat (from sunlight or sources such as furnaces), and air movement (wind or ventilation). [ 1]

  7. Total air temperature - Wikipedia

    en.wikipedia.org/wiki/Total_air_temperature

    Total air temperature is an essential input to an air data computer in order to enable the computation of static air temperature and hence true airspeed . The relationship between static and total air temperatures is given by: where: static air temperature, SAT ( kelvins or degrees Rankine) total air temperature, TAT (kelvins or degrees Rankine ...

  8. Operative temperature - Wikipedia

    en.wikipedia.org/wiki/Operative_temperature

    In design, operative temperature can be defined as the average of the mean radiant and ambient air temperatures, weighted by their respective heat transfer coefficients. [ 6] The instrument used for assessing environmental thermal comfort in terms of operative temperature is called a eupatheoscope and was invented by A. F. Dufton in 1929. [ 7]

  9. Room-temperature superconductor - Wikipedia

    en.wikipedia.org/wiki/Room-temperature...

    A room-temperature superconductor is a hypothetical material capable of displaying superconductivity above 0 °C (273 K; 32 °F), operating temperatures which are commonly encountered in everyday settings. As of 2023, the material with the highest accepted superconducting temperature was highly pressurized lanthanum decahydride, whose ...

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