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- {{Short description|Temperature difference per unit of length}} ...ient]] is a [[vector quantity]] with [[Dimensional analysis|dimension]] of temperature difference per unit [[length]]. The [[International System of Units|SI]] [[ ...5 KB (636 words) - 16:46, 29 February 2024
- ...a property ''R'' that changes when the temperature changes by ''dT'', the temperature coefficient α is defined by the following equation: Here α has the [[dimension]] of an inverse temperature and can be expressed e.g. in 1/K or K<sup>−1</sup>. ...12 KB (1,785 words) - 06:12, 8 December 2023
- ...) The [[power spectral density]] of the noise is expressed in terms of the temperature (in [[kelvins]]) that would produce that level of [[Johnson–Nyquist noise]] *<math> T</math> is the noise temperature (K, kelvin) ...11 KB (1,720 words) - 02:06, 4 October 2023
- ...ft in the incident light. This frequency shift can then be used to measure temperature changes along the fibre.<ref>{{Cite book |last=Hartog |first=Arthur H. |url Physical measurement dimensions, such as [[temperature]] or [[pressure]] and [[tension (physics)|tensile]] forces, can affect glas ...13 KB (1,902 words) - 14:22, 8 January 2024
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- {{Short description|Method for determining noise temperature}} ...y used technique for measuring the [[Gain (electronics)|gain]] and [[noise temperature]] of an [[Electronic amplifier|amplifier]]. It is based on the [[Johnson–Ny ...2 KB (404 words) - 02:49, 19 February 2024
- ==Temperature ratings== ...there are commercially available slot insulation materials with a Class H temperature rating (an operational range up to 180 °C)<ref>PCT. ''[http://www.pact ...3 KB (401 words) - 15:22, 26 October 2021
- {{Short description|Temperature difference per unit of length}} ...ient]] is a [[vector quantity]] with [[Dimensional analysis|dimension]] of temperature difference per unit [[length]]. The [[International System of Units|SI]] [[ ...5 KB (636 words) - 16:46, 29 February 2024
- ...how much a device will dissipate without getting damaged at any given case temperature, and this must be taken into account while designing a system. ...(after [[heat sink| heat-sinking]]) is {{convert|65|C|F}}. This final case temperature is a function of the [[Thermal resistance in electronics|thermal resistance ...3 KB (430 words) - 09:59, 11 March 2023
- ...cular, at a high enough temperature, antiferroelectricity disappears; this temperature is known as the [[Néel point]] or [[Curie point]]. ...2 KB (257 words) - 18:09, 15 July 2022
- ...line shows the divergence of the dielectric susceptibility near the Curie temperature for a regular ferroelectric. The solid line indicates the anomalous behavio ...tum paraelectric the dielectric susceptibility diverges until it reaches a temperature low enough for quantum effects to cancel out the ferroelectricity (Fig. 1b) ...3 KB (449 words) - 01:22, 3 June 2021
- ...a property ''R'' that changes when the temperature changes by ''dT'', the temperature coefficient α is defined by the following equation: Here α has the [[dimension]] of an inverse temperature and can be expressed e.g. in 1/K or K<sup>−1</sup>. ...12 KB (1,785 words) - 06:12, 8 December 2023
- ...r cable]]s for some commonly encountered configurations. By estimating the temperature of the cables, the safe long-term current-carrying capacity of the cables c ...H. |last1=Neher |first2=M. H. |last2=McGrath |title=The Calculation of the Temperature Rise and Load Capability of Cable Systems |journal=[[AIEE Transactions]] |i ...5 KB (704 words) - 01:47, 30 January 2024
- ...utput voltage from the thermopile, ''ΔV'', is directly proportional to the temperature differential, ''ΔT'' or ''T<sub>1</sub>'' - ''T<sub>2</sub>'', across the t ...ermopile proportional to the heat flux through the sensor or similarly the temperature difference across the thin-film substrate and number of thermocouple juncti ...7 KB (1,064 words) - 00:40, 7 October 2023
- ...) The [[power spectral density]] of the noise is expressed in terms of the temperature (in [[kelvins]]) that would produce that level of [[Johnson–Nyquist noise]] *<math> T</math> is the noise temperature (K, kelvin) ...11 KB (1,720 words) - 02:06, 4 October 2023
- {{Short description|Temperature change of a material under an electric field}} ...Thermoelectric effect]] (specifically, the [[Peltier effect]]), in which a temperature difference occurs when a current is driven through an electric junction wit ...4 KB (566 words) - 15:54, 6 December 2023
- ...ted to human health if the food has not been heated evenly up to desirable temperature for neutralization of possible [[bacteria]] population. ...b/20081017043129/http://users.wpi.edu/~vadim/project1.html Electromagnetic-Temperature Control & Optimization of Microwave Thermal Processing] ...2 KB (274 words) - 18:09, 15 November 2018
- ...temperature, ''T<sub>c</sub>'' that is hundreds of degrees lower than room temperature, [[cryogenics]] are required. ...al AC synchronous superconducting machines were made with rotors using low-temperature metal superconductors that exhibit [[superconductivity]] when cooled with [ ...7 KB (891 words) - 01:25, 4 August 2023
- ...d as the [[relative humidity]] of the surrounding atmosphere (at a certain temperature) at which the material begins to absorb moisture from the atmosphere and be ...e, the critical relative humidity of ammonium nitrate decreases 22% with a temperature from 0 °C to 40 °C (32 °F to 104 °F). ...3 KB (374 words) - 19:49, 18 September 2023
- ...itch) that interrupts [[electric current]] when [[heat]]ed to a specific [[temperature]]. These devices may be for one-time use (a thermal fuse), or may be reset ...k]]. Unlike a thermal switch which may automatically reset itself when the temperature drops, the thermal fuse is more like an [[Fuse (electrical)|electrical fuse ...8 KB (1,132 words) - 21:44, 16 September 2023
- ...luid]] of a certain mass flow rate is able to absorb or release per unit [[temperature]] change per unit time.<ref>{{Cite book |last=Cengel |first=Yunus |url=http ...elf changes as heat transfer occurs changing its net average instantaneous temperature, it is a quantity of interest in designs which have to compensate for the f ...5 KB (822 words) - 04:46, 4 July 2023
- ...s readily than temperature means that salinity mixes more efficiently than temperature due to the turbulence caused by salt fingers.<ref>Turner, J.S., (1973). Buo ...n of water would be surrounded by a membrane that would allow diffusion of temperature but not salinity. Once primed by the upward movement of the colder and fres ...3 KB (438 words) - 11:16, 19 July 2023
- ...e alloy's [[Electrical resistivity and conductivity#Temperature dependence|temperature coefficient of resistivity]] and corrosion resistance play a large part in ...omium-aluminium ({{chem2|FeCrAl}}) alloys, is used in a wide range of high-temperature applications, up to about {{convert|1425|°C|°F|abbr=on}}. One difficulty in ...5 KB (601 words) - 03:55, 11 February 2024
- ...s the [[force]] experienced by two [[Surface|surfaces]] at two different [[Temperature|temperatures]] that are separated by a distance comparable to a [[mean free ...1,019 bytes (125 words) - 04:37, 28 January 2023
- ...mometer is based—that the density of a liquid changes in proportion to its temperature. ...rosene) the density of which varies with temperature more than water does. Temperature changes affect the density of the ''outer'' clear liquid and this causes th ...5 KB (668 words) - 10:25, 28 January 2024
