bearings, the Sommerfeld number (S) is a dimensionless quantity used extensively in hydrodynamic lubrication analysis. The Sommerfeld number is very important...

Arnold Johannes Wilhelm Sommerfeld, ForMemRS (German: [ˈzɔmɐˌfɛlt]; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments...

expansion Sommerfeld effect Sommerfeld identity Sommerfeld number Sommerfeld parameter Sommerfeld radiation condition Sommerfeld's approximation Sommerfeld–Goubau...

The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits...

the Bohr–Sommerfeld model was without its successes. Calculations based on the Bohr–Sommerfeld model were able to accurately explain a number of more complex...

premised on Arnold Sommerfeld's enhancements to the Bohr model of the atom. The main tool of the old quantum theory was the Bohr–Sommerfeld quantization condition...

In physics, the fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α (the Greek letter alpha), is a fundamental physical...

was introduced by George Stokes in 1851, but the Reynolds number was named by Arnold Sommerfeld in 1908 after Osborne Reynolds (1842–1912), who popularized...

lecture, the next step was taken by Arnold Sommerfeld in 1915. Sommerfeld's atomic model added a second quantum number and the concept of quantized phase integrals...

In applied mathematics, and theoretical physics, the Sommerfeld radiation condition is a concept from theory of differential equations and scattering theory...

orbitals around each atom. The term "azimuthal quantum number" was introduced by Arnold Sommerfeld in 1915: II:132  as part of an ad hoc description of...

to improve the bearings' performance. Plain bearing Kugel fountain Sommerfeld number Rowe, W. Brian (2012). Hydrostatic, Aerostatic and Hybrid Bearing...

in the Philosophical Magazine. The qualitative success of the Sommerfeld quantum number scheme failed to explain the Zeeman effect in weak magnetic field...

diagonals give common symbols for the quantities, and the given dimensionless number is the ratio of the left column quantity over top row quantity; e.g. Re...

Sommerfeld, who combined the classical Drude model with quantum mechanical Fermi–Dirac statistics and hence it is also known as the Drude–Sommerfeld model...

Wolfgang Pauli added a fourth quantum number, "spin", during the old quantum theory period of the Sommerfeld-Bohr Solar System atom to complete the modern...

application of the Bohr–Sommerfeld quantization rules to the classical equations. The radial quantum number determines the number of nodes of the radial...

Richardson number Archived 2015-03-02 at the Wayback Machine Schmidt number Archived 2010-01-24 at the Wayback Machine Sommerfeld number Strouhal number, Engineering...

The Orr–Sommerfeld equation, in fluid dynamics, is an eigenvalue equation describing the linear two-dimensional modes of disturbance to a viscous parallel...

short-wavelength limit for solutions to hyperbolic partial differential equations (Sommerfeld–Runge method) or as a property of propagation of field discontinuities...

of these shortcomings were resolved by Arnold Sommerfeld's modification of the Bohr model. Sommerfeld introduced two additional degrees of freedom, allowing...

corrected version: (2006–) "number concentration". doi:10.1351/goldbook.N04260 Clayton T. Crowe; John D. Schwarzkopf; Martin Sommerfeld; Yutaka Tsuji (2011)...

The Sommerfeld–Kossel displacement law states that the first spark (singly ionized) spectrum of an element is similar in all details to the arc (neutral)...

especially the large number of so-called "knob-sickles" discovered in the Frankleben hoard, are discussed by Sommerfeld (1994). Sommerfeld favours an interpretation...

absolute valency seems to be that adopted by Grimm and Sommerfeld, that it is numerically equal to the number of electrons of the atom 'engaged' (beansprucht)...

theses of the mathematicians David Hilbert, Hermann Minkowski, and Arnold Sommerfeld. In 1882, Lindemann published the result for which he is best known, the...

The Gamow factor, Sommerfeld factor or Gamow–Sommerfeld factor, named after its discoverer George Gamow or after Arnold Sommerfeld, is a probability factor...

In chemistry, the Grimm–Sommerfeld rule predicts that binary compounds with covalent character that have an average of 4 electrons per atom will have structures...

geodesic equations Somerset Space Walk Sommerfeld identity Sommerfeld number Sommerfeld radiation condition Sommerfeld–Kossel displacement law Somnath Bharadwaj...

anomalous Zeeman effect. In June 1922, Sommerfeld took Heisenberg to Göttingen to attend the Bohr Festival, because Sommerfeld had a sincere interest in his students...