Sommerfeld number

См. также в других словарях:

• Sommerfeld number — In the design of fluid bearings, the Sommerfeld number, or bearing characteristic number, is a dimensionless quantity used extensively in hydrodynamic lubrication analysis. The Sommerfeld number is very important in lubrication analysis because… …   Wikipedia

• SOMMERFELD — GERMANY (see also List of Individuals) 5.12.1868 Königsberg/RU 26.4.1951 Munich/D Arnold Sommerfeld read mathematics and physics at Königsberg University, formerly in Prussia and today s Kaliningrad in Russia. After two years as an assistant at… …   Hydraulicians in Europe 1800-2000

• Sommerfeld , Arnold Johannes Wilhelm — (1868–1951) German physicist Sommerfeld, the son of a physician, was born in Königsberg (now Kaliningrad in Russia) and educated at the university in his native city. He later taught at Göttingen, Clausthal, and Aachen before being appointed to… …   Scientists

• Sommerfeld-Kossel displacement law — The Sommerfeld Kossel displacement law is: The first spark (singly ionized) spectrum of an element is similar in all details to the arc (neutral) spectrum of the element preceding it in the periodic table. Likewise, the second (doubly ionized)… …   Wikipedia

• Sommerfeld, Arnold — ▪ German physicist born Dec. 5, 1868, Königsberg, Prussia [now Kaliningrad, Russia] died April 26, 1951, Munich       German physicist whose atomic (atom) model permitted the explanation of fine structure spectral lines.       After studying… …   Universalium

• Sommerfeld — Recorded in a number of spellings including Sommerfeld and Somerfeld in Germany, and Somerfield, Sommerfield and the more usual Summerfield in England, this is almost certainly a surname of pre 7th century Germanic & Anglo Saxon origins. It was… …   Surnames reference

• Number density — In physics, astronomy, and chemistry, number density (symbol: n) is an intensive quantity used to describe the degree of concentration of countable objects (particles, molecules, phonons, galaxies, etc.) in the three dimensional physical space.… …   Wikipedia

• Arnold Sommerfeld — Infobox Scientist box width = 300px name = Arnold Sommerfeld |250px image width = 250px caption = Arnold Johannes Wilhelm Sommerfeld (1868 1951) birth date = birth date|df=yes|1868|12|5 birth place = Königsberg, Province of Prussia death date =… …   Wikipedia

• Orr–Sommerfeld equation — The Orr–Sommerfeld equation, in fluid dynamics, is an eigenvalue equation describing the linear two dimensional modes of disturbance to a viscous parallel flow. The solution to the Navier–Stokes equations for a parallel, laminar flow can become… …   Wikipedia

• Grimm-Sommerfeld rule — The Grimm Sommerfeld rule applies for the bond lengths: If the sum of the atomic number is the same, the interatomic distances are the same.References* U. Mueler, Inorganic Structural Chemistry , John Wiley Sons, Chichester, New York, Brisbane,… …   Wikipedia

• Зоммерфельд, Арнольд — Арнольд Зоммерфельд Arnold Sommerfeld Зоммерфельд в …   Википедия