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surface boundary

См. также в других словарях:

  • surface boundary layer — Meteorol. the thin layer of air adjacent to the earth s surface, usually considered to be less than 300 ft. (91 m) high. Also called surface layer, atmospheric boundary layer, friction layer, ground layer. * * * …   Universalium

  • surface boundary layer — Meteorol. the thin layer of air adjacent to the earth s surface, usually considered to be less than 300 ft. (91 m) high. Also called surface layer, atmospheric boundary layer, friction layer, ground layer …   Useful english dictionary

  • surface boundary layer — noun (Meteorology)The portion of the atmosphere lying next to the surface of the earth and extending up to between 50 and 100 meters …   Wiktionary

  • boundary layer — Physics. the portion of a fluid flowing past a body that is in the immediate vicinity of the body and that has a reduced flow due to the forces of adhesion and viscosity. [1920 25] * * * In fluid mechanics, a thin layer of flowing gas or liquid… …   Universalium

  • boundary — 01. Anyone found skiing outside the [boundary] is putting himself in danger, and if caught, will lose his lift pass. 02. The post office marks the [boundary] between the two municipalities. 03. We made a [boundary] of trees at the back of our… …   Grammatical examples in English

  • Boundary layer separation — is when the thin layer of viscous fluid leaves the surface of the body that it is flowing over. The viscosity of the fluid causes the boundary layer separation. [Wilcox, David C. Basic Fluid Mechanics. 3rd ed. Mill Valley: DCW Industries, Inc.,… …   Wikipedia

  • Boundary layer suction — is technique in which an air pump is used to extract the boundary layer at the wing or the inlet of an aircraft. Improving the air flow can reduce drag. Improvements in fuel efficiency have been estimated as high as 30%. The boundary layerThe air …   Wikipedia

  • Surface plasmon — Surface plasmons, also referred to in the literature as surface plasma polaritons, are fluctuations in the electron density at the boundary of two materials. Plasmons are the collective vibrations of an electron gas (or plasma) surrounding the… …   Wikipedia

  • Boundary current — Boundary currents are ocean currents with dynamics determined by the presence of a coastline, and fall into two distinct categories: western boundary currents and eastern boundary currents. Eastern boundary currentsEastern boundary currents are… …   Wikipedia

  • surface — 1610s, from Fr. surface outermost boundary of anything, outside part (16c.), from O.Fr. sur above + face (see FACE (Cf. face)). Patterned on L. superficies surface (see SUPERFICIAL (Cf. superficial)). The verb meaning come to the surface is first …   Etymology dictionary

  • Surface — This article discusses surfaces from the point of view of topology. For other uses, see Differential geometry of surfaces, algebraic surface, and Surface (disambiguation). An open surface with X , Y , and Z contours shown. In mathematics,… …   Wikipedia

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