Calefaction

Calefaction

Calefaction comes from the Latin "calor" meaning "heated", and "facere" "to make." Generally, that it what the terms means: to heat, or make heated. In the modern sciences, the term "calefaction" shows up occasionally in relation to the fields of cryogenics, geology, mineralogy, inorganic chemistry, material sciences, and both scientifically and commercially in the study and process of sintering.

One example of the usage of the term is given by the French chemist and pharmacologist Pierre H. Boutigny, who became known for his "calefaction experiments," where he studied and expanded our understanding of what is known as the Leidenfrost Phenomenon, which appropriately describes the effect of a liquid on a heated (often metal) interface above and near the liquids boiling point.

The term calefaction has also been used in the manufacturing of steam engines and steam cars. Two examples of this are the Serpollet generator and the Paul Jacquot engine.

External links

* [http://volcaniclightning.tripod.com/leidenfr.htm Leidenfrost effect]
* [http://www.stanleysteamers.com/modern_steam.htm Relationship of calefaction to the steam engine and cars]
* [http://pacificbook.com/search/item.php?anr=126235&PHPSESSID=3412c0f61960d91ee9e13fd0df80539b&PHPSESSID=3412c0f61960d91ee9e13fd0df80539b Boutibny's experiments]
* [http://www.wundersamessammelsurium.de/Warmes/Leidenfrost/ German site with pictures for the Leidenfrost effect]


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  • caléfaction — [ kalefaksjɔ̃ ] n. f. • XIVe; bas lat. calefactio, de calefacere « chauffer » ♦ Didact. Action de chauffer; résultat de cette action. Phys. Phénomène par lequel une goutte de liquide projetée sur une plaque de métal fortement chauffée prend une… …   Encyclopédie Universelle

  • Calefaction — Caléfaction La caléfaction ( du latin calefacere : chauffer) est un phénomène d isolation thermique d un liquide par rapport à une surface chauffante ayant atteint une température seuil Ts supérieure à la température d ébullition du liquide… …   Wikipédia en Français

  • caléfaction — CALÉFACTION. sub. fém. Terme didactique. Chaleur causée par l action du feu. Cette préparation se fait par une légère caléfaction …   Dictionnaire de l'Académie Française 1798

  • Calefaction — Cal e*fac tion, n. [L. calefactio: cf. F. cal[ e]faction.] 1. The act of warming or heating; the production of heat in a body by the action of fire, or by communication of heat from other bodies. [1913 Webster] 2. The state of being heated. [1913 …   The Collaborative International Dictionary of English

  • Calefaction — (v. lat.), Erwärmung …   Pierer's Universal-Lexikon

  • calefaction — [kal΄ə fak′shən] n. [L calefactio < calefacere: see CALEFACIENT] 1. the act of heating 2. the state of being made warm …   English World dictionary

  • Calefaction — (Roget s Thesaurus) < N PARAG:Calefaction >N GRP: N 1 Sgm: N 1 increase of temperature increase of temperature Sgm: N 1 heating heating &c. >V. Sgm: N 1 calefaction calefaction tepefaction torrefaction Sgm: N 1 melting melting fusion …   English dictionary for students

  • Caléfaction — Cliquez sur une vignette pour l’agrandir La caléfaction (du latin calefacere : chauffer) est un phénomène d isolation thermique d un liquide par rapport à une surface chauffante ayant atteint une température seuil Ts supérieure à la… …   Wikipédia en Français

  • CALÉFACTION — s. f. T. didactique. Chaleur causée par l action du feu. Cette préparation se fait par une légère caléfaction. Il est peu usité …   Dictionnaire de l'Academie Francaise, 7eme edition (1835)

  • calefaction — calefactive, adj. /kal euh fak sheuhn/, n. 1. the act of heating. 2. a heated state. [1540 50; < L calefaction (s. of calefactio) a making warm, equiv. to cale warm (s. of calere to be warm) + faction a making; see FACTION] * * * …   Universalium

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