Seebeck effect

See·beck effect

S5228700 (zā′bĕk)n. The creation of an electrical potential across points in a metal that are at different temperatures, caused by the tendency of valence electrons in the warmer part of the metal to migrate toward the colder part because of their thermal energy. The Seebeck effect is exploited in the design of thermocouples.

[After Thomas Johann Seebeck (1770-1831), Estonian-born German physicist.]

Seebeck effect

(ˈsiːbɛk; German ˈzeːbɛk) n (General Physics) the phenomenon in which a current is produced in a circuit containing two or more different metals when the junctions between the metals are maintained at different temperatures. Also called: thermoelectric effect Compare Peltier effect[C19: named after Thomas Seebeck (1770–1831), German physicist]

Translations

Seebeck effect

Seebeck effect:

see thermoelectricitythermoelectricity,
direct conversion of heat into electric energy, or vice versa. The term is generally restricted to the irreversible conversion of electricity into heat described by the English physicist James P.
..... Click the link for more information. .

Seebeck effect

The generation of a temperature-dependent electromotive force (emf) at the junction of two dissimilar metals. This phenomenon provides the physical basis for the thermocouple. In 1821, T. J. Seebeck discovered that near a closed circuit composed of two linear conductors of two different metals a magnetic needle would be deflected if, and only if, the two junctions were at different temperatures, and that if the temperatures of the two junctions were reversed the direction of deflection would also be reversed. He investigated 35 different metals and arranged them in a series such that at a hot junction, current flows from a metal earlier in the series to a later one. See Electromotive force (emf)

A thermocouple consists of a pair of wires of dissimilar metals, joined at the ends. One junction is kept at an accurately known cold temperature, usually that of melting ice, and the other is used for the measurement of an unknown temperature, by measuring the emf generated as a result of the Seebeck effect. See Thermocouple, Thermoelectricity

Seebeck effect

[′zā‚bek i‚fekt] (electronics) The development of a voltage due to differences in temperature between two junctions of dissimilar metals in the same circuit. (graphic arts) A photographic emulsion that is exposed until a faint visible image appears, and is then exposed to colored light and takes on the color of the light to which it is exposed.

单词	seebeck effect
释义	Seebeck effect See·beck effect S5228700 (zā′bĕk)n. The creation of an electrical potential across points in a metal that are at different temperatures, caused by the tendency of valence electrons in the warmer part of the metal to migrate toward the colder part because of their thermal energy. The Seebeck effect is exploited in the design of thermocouples. [After Thomas Johann Seebeck (1770-1831), Estonian-born German physicist.] Seebeck effect (ˈsiːbɛk; German ˈzeːbɛk) n (General Physics) the phenomenon in which a current is produced in a circuit containing two or more different metals when the junctions between the metals are maintained at different temperatures. Also called: thermoelectric effect Compare Peltier effect[C19: named after Thomas Seebeck (1770–1831), German physicist] Translations Seebeck effect Seebeck effect: see thermoelectricitythermoelectricity, direct conversion of heat into electric energy, or vice versa. The term is generally restricted to the irreversible conversion of electricity into heat described by the English physicist James P. ..... Click the link for more information. . Seebeck effect The generation of a temperature-dependent electromotive force (emf) at the junction of two dissimilar metals. This phenomenon provides the physical basis for the thermocouple. In 1821, T. J. Seebeck discovered that near a closed circuit composed of two linear conductors of two different metals a magnetic needle would be deflected if, and only if, the two junctions were at different temperatures, and that if the temperatures of the two junctions were reversed the direction of deflection would also be reversed. He investigated 35 different metals and arranged them in a series such that at a hot junction, current flows from a metal earlier in the series to a later one. See Electromotive force (emf) A thermocouple consists of a pair of wires of dissimilar metals, joined at the ends. One junction is kept at an accurately known cold temperature, usually that of melting ice, and the other is used for the measurement of an unknown temperature, by measuring the emf generated as a result of the Seebeck effect. See Thermocouple, Thermoelectricity Seebeck effect [′zā‚bek i‚fekt] (electronics) The development of a voltage due to differences in temperature between two junctions of dissimilar metals in the same circuit. (graphic arts) A photographic emulsion that is exposed until a faint visible image appears, and is then exposed to colored light and takes on the color of the light to which it is exposed. MedicalSeethermoelectricity
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