A temperature coefficient describes the relative change of a physical property that is associated with a given change in temperature. For a property R...
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The Q10 temperature coefficient is a measure of temperature sensitivity based on the chemical reactions. The Q10 is calculated as: Q 10 = ( R 2 R 1 )...
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Thermal expansion (redirect from Coefficient of thermal expansion)
by the change in temperature is called the material's coefficient of linear thermal expansion and generally varies with temperature. If an equation of...
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models. Negative-temperature-coefficient (NTC) thermistors have less resistance at higher temperatures, while positive-temperature-coefficient (PTC) thermistors...
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Joule–Thomson effect (redirect from Joule-Thomson coefficient)
either. The coefficient is negative at both very high and very low temperatures; at very high pressure it is negative at all temperatures. The maximum...
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in response to a temperature difference across that material, as induced by the Seebeck effect. The SI unit of the Seebeck coefficient is volts per kelvin...
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Fuel temperature coefficient of reactivity is the change in reactivity of the nuclear fuel per degree change in the fuel temperature. The coefficient quantifies...
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transfer coefficient (W/m2K) A {\displaystyle A} : surface area where the heat transfer takes place (m2) T 2 {\displaystyle T_{2}} : temperature of the...
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A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance...
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Thermoelectric effect (redirect from Thomson coefficient)
effect (thermocouples create temperature differences), and the Thomson effect (the Seebeck coefficient varies with temperature). The Seebeck and Peltier...
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Resettable fuse (redirect from Polymeric Positive Temperature Coefficient)
A resettable fuse or polymeric positive temperature coefficient device (PPTC) is a passive electronic component used to protect against overcurrent faults...
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Crystal oscillator (section Temperature effects)
frequency at room temperature, but slows when the temperature either increases or decreases from room temperature. A common parabolic coefficient for a 32 kHz...
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Constantan (section Temperature measurement)
1887, Edward Weston discovered that metals can have a negative temperature coefficient of resistance, inventing what he called his "Alloy No. 2." It was...
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Resistance thermometer (redirect from Resistance temperature detector)
change of the sensor per degree of temperature change. The relative change in resistance (temperature coefficient of resistance) varies only slightly...
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positive temperature coefficient (i.e., it increases with temperature). The base–emitter voltage for each transistor has a negative temperature coefficient (i...
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indicates temperature coefficient. The first letter gives the significant figure of the change in capacitance over temperature (temperature coefficient α) in...
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is related to the material's temperature coefficient of resistance (TCR) specifically its negative temperature coefficient. Industry currently manufactures...
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conductivity and temperature coefficient of various materials at 20 °C (68 °F; 293 K). The effective temperature coefficient varies with temperature and purity...
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resistors, particularly ammeter shunts, because of its virtually zero temperature coefficient of resistance value and long term stability. Several Manganin resistors...
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marked negative temperature coefficient. Above 5.6 volts, the avalanche effect dominates and exhibits a positive temperature coefficient. In a 5.6 V diode...
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Mass diffusivity (redirect from Diffusion coefficient)
where D is the diffusion coefficient (in m2/s), D0 is the maximal diffusion coefficient (at infinite temperature; in m2/s), EA is the activation...
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Balance wheel (redirect from Auxiliary temperature compensation)
springs of a low thermal coefficient of elasticity alloy such as Nivarox. The two alloys are matched so their residual temperature responses cancel out,...
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change in resistance due to its temperature coefficient when it warms. Excessive power dissipation may raise the temperature of the resistor to a point where...
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increases as temperature increases within certain temperature ranges. By combining samarium and gadolinium in the alloy, the temperature coefficient can be...
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conductivity for a table. The temperature coefficient of resistivity is similar but not identical to the temperature coefficient of resistance. The small difference...
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For the ranges of temperature-values see: Orders of magnitude (temperature) This includes thermal mass or temperature coefficient of energy, reaction...
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Kelvin–Varley divider (section Temperature coefficient)
external conditions. Resistance will vary with temperature. Carbon film resistors have temperature coefficients of several hundred parts per million per kelvin...
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resistance when subjected to a corresponding change in body temperature. Negative Temperature Coefficient (NTC) thermistors exhibit a decrease in electrical resistance...
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electrical load, time, temperature (as of 1999[update], they typically have an initial error of 0.5–1.0% and a temperature coefficient of 25–50 ppm/°C). David...
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Photovoltaic effect (section Effect of the temperature)
cell or module temperature. This dependency is studied by suitably processing the current–voltage curve. The temperature coefficient of the series resistance...
11 KB (1,337 words) - 02:45, 26 February 2025