Graetz — or Grätz is a German surname and place name and can refer to:* Heinrich Graetz (1817–1891), the first modern historian to write a comprehensive history of the Jewish people from a Jewish perspective * Leo Graetz (1856–1941), German physicist and… … Wikipedia
GRAETZ — GERMANY (see also List of Individuals) 26.9.1856 Breslau/PL 12.11.1941 Munich/D Leo Graetz studied mathematics and physics at the Universities of Breslau, today s Wrocław in Poland, Berlin and Strasburg. From 1881 he was an assistant at Strasburg … Hydraulicians in Europe 1800-2000
GRAETZ, HEINRICH — (Hirsch; 1817–1891), Jewish historian and Bible scholar. Graetz was born in Xions (Ksiaz Wielkopolski), Poznan, the son of a butcher. From 1831 to 1836 he went to the yeshivah in Wolstein (now Wolsztyn) near Poznan. At the same time, Graetz… … Encyclopedia of Judaism
Leo Graetz — (September 26, 1856 ndash; November 12, 1941) was a German physicist. He was born in Breslau (Wrocław), Poland as the son of the historian Heinrich Graetz.Graetz was one of the first to investigate the propagation of electromagnetic energy. The… … Wikipedia
Heinrich Graetz — (October 31, 1817 September 7, 1891) was amongst the first historians to write a comprehensive history of the Jewish people from a Jewish perspective.Born Tzvi Hirsh Graetz to a butcher family in Książ Wielkopolski (Poznań) in Germany (now in… … Wikipedia
Nusselt number — In heat transfer at a boundary (surface) within a fluid, the Nusselt number is the ratio of convective to conductive heat transfer across (normal to) the boundary. Named after Wilhelm Nusselt, it is a dimensionless number. The conductive… … Wikipedia
Rayleigh number — In fluid mechanics, the Rayleigh number for a fluid is a dimensionless number associated with buoyancy driven flow (also known as free convection or natural convection). When the Rayleigh number is below the critical value for that fluid, heat… … Wikipedia
Magnetic Reynolds number — The Magnetic Reynolds number is a dimensionless group that occurs in magnetohydrodynamics. It gives an estimate of the effects of magnetic advection to magnetic diffusion, and is typically defined by: where U is a typical velocity scale of the… … Wikipedia
Morton number — For Morton number in number theory, see Morton number (number theory). In fluid dynamics, the Morton number (Mo) is a dimensionless number used together with the Eötvös number to characterize the shape of bubbles or drops moving in a surrounding… … Wikipedia
Ohnesorge number — The Ohnesorge number, Oh, is a dimensionless number that relates the viscous forces to inertial and surface tension forces. It is defined as: Where μ is the liquid viscosity ρ is the liquid density σ is the surface tension L is the characteristic … Wikipedia
