- heat diffusivity
- Смотри Температуропроводность.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
heat diffusivity
Смотреть что такое "heat diffusivity" в других словарях:
Diffusivity — can refer to: Diffusivity of heat Diffusivity of mass: Molecular diffusivity (often called diffusion coefficient ) Eddy diffusivity Momentum diffusivity This disambiguation page lists articles associated with the same title. If an … Wikipedia
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
Diffusivity — Dif fu*siv i*ty, n. Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium. [1913 Webster] … The Collaborative International Dictionary of English
thermal (heat) diffusivity — Смотри Температуропроводность … Энциклопедический словарь по металлургии
Heat-affected zone — The heat affected zone (HAZ) is the area of base material, either a metal or a thermoplastic, which has had its microstructure and properties altered by welding or heat intensive cutting operations. The heat from the welding process and… … Wikipedia
diffusivity — də̇ˌfyüˌsivəd.ē, ˈzi sometimes (ˌ)dēˌ noun ( es) 1. : diffusion coefficient 2. : the quantity of heat passing normally through a unit area per unit time divided by the product of specific heat, density, and … Useful english dictionary
diffusivity — noun a) A tendency to diffuse b) a coefficient of diffusion; especially the amount of heat that passes through a given area in unit time … Wiktionary
Thermal diffusivity — In heat transfer analysis, thermal diffusivity (symbol: alpha,, but note that the symbols kappa, D, and k are all commonly used) is the ratio of thermal conductivity to volumetric heat capacity. It has SI of m²/s.:alpha = {k over { ho c pwhere: * … Wikipedia
thermal diffusivity — a material property that describes the rate at which heat diffuses through a body. It is a function of the body s thermal conductivity and its specific heat. A high thermal conductivity will increase the body s thermal diffusivity, as heat will… … Mechanics glossary
liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 … Universalium
