Jean Charles Athanase Peltier

Jean Charles Athanase Peltier
Jean Charles Athanase Peltier
Born	22 February 1785; Ham, Kingdom of France
Died	27 October 1845 (aged 60); Paris, Kingdom of France
Occupation	Physicist
Known for	Peltier effect; Peltier electrometer

Jean Charles Athanase Peltier^[1] (English: /ʒɒ̃/ /ʃɑːrl/ /ɑːtɑːnɑːz/ /ˈpɛltieɪ/;^[2] French: [ʒɑ̃ ʃaʁl atanaz pɛltje]; 22 February 1785 – 27 October 1845) was a French physicist. He was originally a watch dealer, but at the age of 30 began experiments and observations in physics.

Peltier was the author of numerous papers in different departments of physics. His name is specially associated with the thermal effects at junctions in a voltaic circuit,^[3] the Peltier effect. Peltier introduced the concept of electrostatic induction (1840), based on the modification of the distribution of electric charge in a material under the influence of a second object closest to it and its own electrical charge.

Biography

Peltier trained as a watchmaker; until his 30s he was a watch dealer. He worked with Abraham Louis Breguet in Paris. Later, he conducted various experiments on electrodynamics and noticed that in an electronic element when current flows through, a temperature gradient or temperature difference is generated at a current flow. In 1836 he published his work and in 1838 his findings were confirmed by Emil Lenz. Peltier dealt with topics from the atmospheric electricity and meteorology. In 1840, he published a work on the causes of hurricanes.

Peltier's numerous papers are devoted in great part to atmospheric electricity, waterspouts, cyanometry and polarization of sky-light, the temperature of water in the spheroidal state, and the boiling-point at high elevations. There are also a few devoted to curious points of natural history. His name will always be associated with the thermal effects at junctions in a voltaic circuit,^[4] a discovery of importance comparable with those of Seebeck and Cumming.^[5]

Peltier discovered the calorific effect of electric current passing through the junction of two different metals. This is now called the Peltier effect^[6] (or Peltier–Seebeck effect). By switching the direction of current, either heating or cooling may be achieved. Junctions always come in pairs, as the two different metals are joined at two points. Thus heat will be moved from one junction to the other.

Peltier effect

The Peltier effect is the presence of heating or cooling at an electrified junction of two different conductors (1834).^[7] His great experimental discovery was the heating or cooling of the junctions in a heterogeneous circuit of metals according to the direction in which an electric current is made to pass round the circuit. This reversible effect is proportional directly to the strength of the current, not to its square, as is the irreversible generation of heat due to resistance in all parts of the circuit. It is found that, if a current pass from an external source through a circuit of two metals, it cools one junction and heats the other. It cools the junction if it be in the same direction as the thermoelectric current which would be caused by directly heating that junction.^[4] In other words, the passage of a current from an external source produces in the junctions of the circuit a distribution of temperature which leads to the weakening of the current by the superposition of a thermo-electric current running in the opposite direction.^[5]

When electromotive current is made to flow through an electronic junction between two conductors (A and B), heat is removed^[8] at the junction. To make a typical pump, multiple junctions are created between two plates. One side heats and the other side cools. A dissipation device is attached to the hot side to maintain cooling effect on the cold side.^[9] Typically, the use of the Peltier effect as a heat pump device involves multiple junctions in series, through which a current is driven. Some of the junctions lose heat due to the Peltier effect, while others gain heat. Thermoelectric pumps exploit this phenomenon, as do thermoelectric cooling Peltier modules found in refrigerators.^[10]

The Peltier effect generated at the junction per unit time, ${\dot {Q}}$ , is equal to

{\dot {Q}}=\left(\Pi _{\mathrm {A} }-\Pi _{\mathrm {B} }\right)I,

where,

\Pi _{A}

(

\Pi _{B}

) is the Peltier coefficient^[11]^[12] of conductor A (conductor B), and

I

is the electric current (from A to B).

Note: Total heat generated at the junction is not determined by the Peltier effect alone, being influenced by Joule heating and thermal gradient effects.

The Peltier coefficients^[11]^[12] represent how much heat is carried per unit charge. With charge current continuous across a junction, the associated heat flow will develop a discontinuity if $\Pi _{A}$ and $\Pi _{B}$ are different.

The Peltier effect can be considered as the back-action counterpart to the Seebeck effect (analogous to the back-emf in magnetic induction^[13]): if a simple thermoelectric circuit is closed then the Seebeck effect will drive a current, which in turn (via the Peltier effect) will always transfer heat from the hot to the cold junction.

The true importance of this "Peltier effect" in the explanation of thermoelectric currents was first clearly pointed out by James Prescott Joule; and Sir William Thomson^[14] further extended the subject by showing, both theoretically and experimentally, that there is something closely analogous to the Peltier effect when the heterogeneity is due, not to difference of quality of matter, but to difference of temperature in contiguous portions of the same material. Shortly after Peltier's discovery was published, Lenz used the effect to freeze small quantities of water by the cold developed in a bismuth-antimony junction when a voltaic current was passed through the metals in the order named.^[5]

Publications

Listed by date

Collection of pamphlets on electricity. 1833.^[15]
Collection of pamphlets on electromagnetism and electricity. 1835.
Observations sur une nouvelle espèce de floscularia.^[16] 1838.
Notice des faits principaux et des instrumens nouveaux ajoutés à la science de l'électricité.^[17] impr. E.J. Bailly, 1839.
Notice de faits principaux ajoutés à la science de l'Electricité.^[18] Bailly, 1839.
Observations sur les multiplicateurs et sur les piles thermo-électriques.^[19] Imprimerie de E.J. Bailly, 1839.
Mémoire sur la formation des tables des rapports qu'il y a entre la force d'un courant électrique et la déviation des aiguilles des multiplicateurs: suivi de recherches sur les causes de perturbation des couples thermo-électriques et sur les moyens de s'en garantir dans leur emploi a la mesure des températures moyennes.^[20] E.-J. Bailly, 1839.
Mémoire sur les diverses espèces de brouillards.^[21] Hayez, 1841.
Météorologie: Observations et recherches expérimentales sur les causes qui concourent à la formation des trombes.^[22] Soc. Belgian library, 1841.
Considérations générales sur l'éther, suivies d'une notice sur les étoiles filantes.^[23] rue de Seine Saint-Germain, 1844.
Essai sur la coordination des causes qui précèdent, produisent et accompagnent les phénomènes électriques.^[24] Hayez, 1844.
Observations faites dans les Alpes sur la température d'ébullition de l'eau.^[25] Institut de France. Académie royale des sciences, 1844

Lettre sur la cause des différences existent entre les résultats des expériences de MM. Bravais et Peltier sur la température de l'ébullition de l'eau et les résultats d'expériences de cabinet.^[26] Institute. April 22, 1844. (Reports, vol. 18, p. 768.)^[27]
Recherches sur la cause des variations barométriques.^[28] Hayez. 1844.
De la cyanométrie et de la polarimétrie atmosphérique: ou notice sur les additions et les changements fait au cyano-polariscope de M. Arago, pour le rendre cyano- polarimètre dans l'observation de tous les points du ciel.^[29] 1845.
Notice sur le galvanisme.^[30] 1845.
Notice sur les fluides, les forces, et la foudre.^[31] rue de Bussy, 6, 1845
Notice sur la vie et les travaux scientifiques.^[32] Bautruche, 1847.
Robert Hare (M.D., Professor of Chemistry in the University of Pennsylvania.), James Pollard Espy. Of the conclusion arrived at by a Committee of the Academy of Sciences of France, agreeably to which tornados are caused by heat; while agreeably to Peltier's report to the same body, certain insurers had been obliged to pay for a tornado as an electrical storm; also abstracts from Peltier's report; moreover, quotations shewing the ignorance which existed in the Academy respecting [...] the meteor in question [...] with objections to the opinions of Peltier and Espy. Second edition, revised. 1852.

Other

Notice des faits principaux et des instrumens nouveaux ajoutés à la science de l'Electricité par M. Peltier.^[33]
Mémoires sur l'électricité des vapeurs, sur l'électricité atmosphérique et sur les trombes.^[34] Imprimerie de Cosson.
Météorologie électrique: Première partie^[35]

References and notes

General

The Annual Report Of The Board Of Regents Of The Smithsonian Institution. 1867 Doc. No. 86. 1868. p158+.
Florian Cajori, A history of physics in its elementary branches. 1922. p269.

Citations

^ Catalogue of the Wheeler gift of books, Volume 2. By American Institute of Electrical Engineers. Library, Latimer Clark, Schuyler Skaats Wheeler, Andrew Carnegie, William Dixon Weaver, Engineering Societies Library, Joseph Plass
^ "Peltier effect". Random House Webster's Unabridged Dictionary.
^ A Handy Book of Reference on All Subjects and for All Readers, Volume 6. Edited by Ainsworth Rand Spofford, Charles Annandale. Gebbie publishing Company, limited, 1900. p341 ed., also Gebbie, 1902 version, p341
^ ^a ^b One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Peltier, Jean Charles Athanase". Encyclopædia Britannica. Vol. 21 (11th ed.). Cambridge University Press. p. 77.
^ ^a ^b ^c The New Werner Twentieth Century Edition of the Encyclopædia Britannica: A Standard Work of Reference in Art, Literature, Science, History, Geography, Commerce, Biography, Discovery and Invention, Volume 18. Werner Company, 1907. p491
^ Contemporarily, known as the thermoelectric effect.
^ Peltier (1834) "Nouvelles expériences sur la caloricité des courants électrique" (New experiments on the heat effects of electric currents), Annales de Chimie et de Physique, 56 : 371-386.
^ or generated
^ This is usually a heatsink and fan assembly.
^ The Peltier effect, where current is forced through a junction of two different metals, also forms the basis of the small 12/24 volt vehicular HVAC systems. It forms the basis of the relatively costly, but stable, junction heated soldering irons. It is used for spot cooling of certain integrated circuits.
^ ^a ^b Yu. A. Skripnik, A. I. Khimicheva. Methods and devices for measuring the Peltier coefficient of an inhomogeneous electric circuit. Measurement Techniques July 1997, Volume 40, Issue 7, pp 673-677
^ ^a ^b See also: Constant current source with thermal compensation
^ The magnetic field B is sometimes called magnetic induction.
^ Mathematical and physical papers, by Sir William Thomson. Collected from different scientific periodicals from May, 1841, to the present time. Kelvin, William Thomson, Baron, 1824-1907., Larmor, Joseph, 1857-, Joule, James Prescott, 1818-1889. vol. viii. p. 90
^ Also contains the papers of: Achille Barbier, Edouard Ernest Blavier, Hippolyte Marié-Davy, comte Th Du Moncel, François Victor Périn, Karl Albert Holmgren, B. Galletti, A. Jounin, Achille Cazin, Emil Kopp, Breton frères
^ Tr. Observations on a new species of floscularia
^ Tr. Notice of the main facts and new instruments (laboratory equipment) added to the science of electricity.
^ Tr. Notice key facts added to the science of Electricity
^ Tr. Observations on multipliers and on thermo-electric batteries
^ Tr. Memory training tables reports that between the strength of an electric current and the deflection of needles multipliciateurs: follow-up research on the causes of disruption of thermocouples and how to ensure in their job measuring average temperatures
^ Tr. Memory on the various species of mist
^ Tr. Meteorology: Observations and experimental research on the causes that contribute to the formation of tornadoes.
^ Tr. General considerations on the ether, followed by instructions on shooting stars
^ Tr. Essay on the coordination of the above causes, produce and accompany electrical phenomena
^ Tr. Observations in the Alps on the boiling temperature of water.
^ Tr. Letter to the cause of differences between the results of the experiments of MM. Bravais and Peltier on the temperature of boiling water and the results of experiments cabinet.
^ institut. 22 avril 1844. (Comptes-rendus, vol. 18, p. 768.)
^ Tr. Research on the cause of variations in atmospheric pressure.
^ Tr. The cyanométrie and air polarimetry: or user of the additions and changes made to the cyano-polariscope of M. Arago, to make cyano-polarimeter in the observation of all points of the sky.
^ Tr. Notice of galvanism
^ Tr. Notice on the fluid forces (hydrometeorology), and lightning
^ Tr. Notice on the life and scientific work
^ Tr. Notice of the main facts and new instruments added to the science of Electricity by Mr. Peltier
^ Tr. Memoirs of electricity vapor on atmospheric electricity and waterspouts
^ Power Meteorology: Part One

[1] Catalogue of the Wheeler gift of books, Volume 2. By American Institute of Electrical Engineers. Library, Latimer Clark, Schuyler Skaats Wheeler, Andrew Carnegie, William Dixon Weaver, Engineering Societies Library, Joseph Plass

[2] "Peltier effect". Random House Webster's Unabridged Dictionary.

[3] A Handy Book of Reference on All Subjects and for All Readers, Volume 6. Edited by Ainsworth Rand Spofford, Charles Annandale. Gebbie publishing Company, limited, 1900. p341 ed., also Gebbie, 1902 version, p341

[EB1911-4] One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Peltier, Jean Charles Athanase". Encyclopædia Britannica. Vol. 21 (11th ed.). Cambridge University Press. p. 77.

[TNWTCE-5] The New Werner Twentieth Century Edition of the Encyclopædia Britannica: A Standard Work of Reference in Art, Literature, Science, History, Geography, Commerce, Biography, Discovery and Invention, Volume 18. Werner Company, 1907. p491

[6] Contemporarily, known as the thermoelectric effect.

[7] Peltier (1834) "Nouvelles expériences sur la caloricité des courants électrique" (New experiments on the heat effects of electric currents), Annales de Chimie et de Physique, 56 : 371-386.

[8] r generated

[9] This is usually a heatsink and fan assembly.

[10] The Peltier effect, where current is forced through a junction of two different metals, also forms the basis of the small 12/24 volt vehicular HVAC systems. It forms the basis of the relatively costly, but stable, junction heated soldering irons. It is used for spot cooling of certain integrated circuits.

[YAS-AIK-11] Yu. A. Skripnik, A. I. Khimicheva. Methods and devices for measuring the Peltier coefficient of an inhomogeneous electric circuit. Measurement Techniques July 1997, Volume 40, Issue 7, pp 673-677

[SA-AB-TC-12] See also: Constant current source with thermal compensation

[13] The magnetic field B is sometimes called magnetic induction.

[14] Mathematical and physical papers, by Sir William Thomson. Collected from different scientific periodicals from May, 1841, to the present time. Kelvin, William Thomson, Baron, 1824-1907., Larmor, Joseph, 1857-, Joule, James Prescott, 1818-1889. vol. viii. p. 90

[15] Also contains the papers of: Achille Barbier, Edouard Ernest Blavier, Hippolyte Marié-Davy, comte Th Du Moncel, François Victor Périn, Karl Albert Holmgren, B. Galletti, A. Jounin, Achille Cazin, Emil Kopp, Breton frères

[16] Tr. Observations on a new species of floscularia

[17] Tr. Notice of the main facts and new instruments (laboratory equipment) added to the science of electricity.

[18] Tr. Notice key facts added to the science of Electricity

[19] Tr. Observations on multipliers and on thermo-electric batteries

[20] Tr. Memory training tables reports that between the strength of an electric current and the deflection of needles multipliciateurs: follow-up research on the causes of disruption of thermocouples and how to ensure in their job measuring average temperatures

[21] Tr. Memory on the various species of mist

[22] Tr. Meteorology: Observations and experimental research on the causes that contribute to the formation of tornadoes.

[23] Tr. General considerations on the ether, followed by instructions on shooting stars

[24] Tr. Essay on the coordination of the above causes, produce and accompany electrical phenomena

[25] Tr. Observations in the Alps on the boiling temperature of water.

[26] Tr. Letter to the cause of differences between the results of the experiments of MM. Bravais and Peltier on the temperature of boiling water and the results of experiments cabinet.

[27] stitut. 22 avril 1844. (Comptes-rendus, vol. 18, p. 768.)

[28] Tr. Research on the cause of variations in atmospheric pressure.

[29] Tr. The cyanométrie and air polarimetry: or user of the additions and changes made to the cyano-polariscope of M. Arago, to make cyano-polarimeter in the observation of all points of the sky.

[30] Tr. Notice of galvanism

[31] Tr. Notice on the fluid forces (hydrometeorology), and lightning

[32] Tr. Notice on the life and scientific work

[33] Tr. Notice of the main facts and new instruments added to the science of Electricity by Mr. Peltier

[34] Tr. Memoirs of electricity vapor on atmospheric electricity and waterspouts

[35] Power Meteorology: Part One

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