- instability boundary
- граница неустойчивости
Авиасловарь. М.А.Левин. 2004.
Авиасловарь. М.А.Левин. 2004.
Boundary layer transition — The process of a laminar boundary layer becoming turbulent is known as boundary layer transition. This process is an extraordinarily complicated process which at present is not fully understood. However, as the result of many decades of intensive … Wikipedia
Rayleigh–Taylor instability — The Rayleigh–Taylor instability, or RT instability (after Lord Rayleigh and G. I. Taylor), is an instability of an interface between two fluids of different densities, which occurs when the lighter fluid is pushing the heavier fluid. [citation… … Wikipedia
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Ledinegg instability — The Ledinegg instability occurs in two phase flow, especially in a boiler tube, when the boiling boundary is within the tube. For a given mass flux J though the tube, the pressure drop per unit length (which typically varies as the square of the… … Wikipedia
Chetayev instability theorem — The Chetayev instability theorem for dynamical systems states that if there exists for the system a function V(x) such that in any arbitrarily small neighborhood of the origin there is a region D1 in which V(x) > 0 and on whose boundaries V(x) … Wikipedia
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium
Iraq — /i rak , i rahk /, n. a republic in SW Asia, N of Saudi Arabia and W of Iran, centering in the Tigris Euphrates basin of Mesopotamia. 22,219,289; 172,000 sq. mi. (445,480 sq. km). Cap.: Baghdad. Also, Irak. * * * Iraq Introduction Iraq Background … Universalium
Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… … Universalium
Convective available potential energy — A skew T plot showing a morning sounding with a large hydrolapse followed by an afternoon sounding showing the cooling which occurred in the mid levels resulting in an unstable atmosphere as surface parcels have now become negatively buoyant. The … Wikipedia
china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material … Universalium