heat (physics)

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• heat physics — šilumos fizika statusas T sritis fizika atitikmenys: angl. heat physics; thermophysics vok. Thermophysik, f; Wärmephysik, f rus. теплофизика, f; физика тепла, f pranc. physique de la chaleur, f …   Fizikos terminų žodynas

• heat capacity — Thermodynam. the heat required to raise the temperature of a substance one degree. Cf. specific heat. [1900 05] * * * Ratio of heat absorbed by a material to the change in temperature. It is usually expressed as calories per degree in terms of… …   Universalium

• Heat transfer — is a discipline of thermal engineering that concerns the exchange of thermal energy from one physical system to another. Heat transfer is classified into various mechanisms, such as heat conduction, convection, thermal radiation, and phase change …   Wikipedia

• Physics — (Greek: physis φύσις), in everyday terms, is the science of matter [R. P. Feynman, R. B. Leighton, M. Sands (1963), The Feynman Lectures on Physics , ISBN 0 201 02116 1 Hard cover. p.1 1 Feynman begins with the atomic hypothesis.] and its motion …   Wikipedia

• Heat (disambiguation) — Heat, in physics, is energy which is spontaneously flowing from an object with a high temperature to an object with a lower temperature.Heat can also refer to:In physics: *Thermal energy, the sum of a body s latent and sensible forms of energy… …   Wikipedia

• Heat-shrink tubing — (or commonly heat shrink ) is a tube which shrinks in diameter when heated. Its diameter and thickness can vary, and there are three main categories, thin wall, medium wall and thick wall tube. Heat shrink is used to insulate wires, connections,… …   Wikipedia

• Heat flux — or thermal flux is a flow of energy per unit of area per unit of time. In SI units, it is measured in [W·m 2] . It has both a direction and a magnitude so it is a vectorial quantity. To define the heat flux at a certain point in space, one takes… …   Wikipedia

• physics — [fiz′iks] n. [transl. of L physica, physics < Gr (ta) physika (lit., natural things), name given to the physical treatises of ARISTOTLE: see PHYSIC] 1. Obs. natural philosophy 2. a) the science dealing with the properties, changes,… …   English World dictionary

• heat — [hēt] n. [ME hete < OE hætu < base of hat (see HOT), akin to Ger heiss < IE base * kai , heat] 1. the quality of being hot; hotness: in physics, heat is considered a form of energy existing as the result of the random motion of molecules …   English World dictionary

• Physics — Phys ics, n. [See {Physic}.] The science of nature, or of natural objects; that branch of science which treats of the laws and properties of matter, and the forces acting upon it; especially, that department of natural science which treats of the …   The Collaborative International Dictionary of English

• heat of fusion — Physics. the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification. Cf. latent heat. * * * …   Universalium