convection element

См. также в других словарях:

• Convection oven — Although the word convection is usually used to describe the natural circulation of gas or liquid caused by temperature differences, the convection in convection oven has a more general definition: the transfer of heat via movement of gas or… …   Wikipedia

• Convection heater — A convection heater is a heater which operates by air convection currents circulating through the body of the appliance, and across its heating element. This heats up the air, causing it to increase in volume and so become buoyant and rise. Oil… …   Wikipedia

• Double diffusive convection — is an important fluid dynamics topic that describes a form of convection driven by two different density gradients which have different rates of diffusion.[1] Convection in fluids is driven by density variation within them. These density… …   Wikipedia

• Résistance thermique en convection — Résistance thermique de convection Pour les articles homonymes, voir résistance thermique. La résistance thermique de convection (R ou Rcv) d’un élément exprime sa résistance au passage d’un flux de chaleur d origine convective. Sommaire 1 …   Wikipédia en Français

• Résistance thermique de convection — Pour les articles homonymes, voir résistance thermique. La résistance thermique de convection (R ou Rcv) d’un élément exprime sa résistance au passage d’un flux de chaleur d origine convective. Sommaire 1 Résistance thermiqu …   Wikipédia en Français

• Rolling-element bearing — A rolling element bearing is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding.One of… …   Wikipedia

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• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …   Universalium

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

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