helical (or helicoidal) flow — the spiraling flow of water in meandering channels caused by the deflection of flow as water hits the bending banks … Geography glossary
Secondary flow — In fluid dynamics, a secondary flow is a relatively minor flow superimposed on the primary flow, where the primary flow usually matches very closely the flow pattern predicted using simple analytical techniques and assuming the fluid is inviscid … Wikipedia
Point bar — A point bar is a depositional feature of streams. Point bars are found in abundance in mature or meandering streams. They are crescent shaped and located on the inside of a stream bend. Point bars are composed of sediment that is well sorted and… … Wikipedia
Meander — For other uses, see Meander (disambiguation). A hypothetical stream bed following a tilted valley. The maximum gradient is along the down valley axis represented by a hypothetical straight channel. Meanders develop, which lengthen the course of… … Wikipedia
ALEXANDER — IRELAND (see also List of Individuals) 6.6.1879 Londonderry/UK 15.12.1920 Cork/IE Conel William Long Alexander was educated at Queen s College, Belfast, and at Birmingham University. He obtained the B.E. degree with honors in 1901 and the M.Sc.… … Hydraulicians in Europe 1800-2000
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
Meandro (geomorfología) — Saltar a navegación, búsqueda Para otros usos de este término, véase Meandro (desambiguación). Un hipotético cauce de un arroyo siguiendo un valle inclinado. La pendiente máxima se da a lo largo del eje valle y está representada por un eje de un… … Wikipedia Español
layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam … Medical dictionary
Meandro — Para otros usos de este término, véase meandro (desambiguación). Un hipotético cauce de un arroyo siguiendo un valle inclinado. La pendiente máxima se da a lo largo del eje valle y está representada por un eje de un cauce hipotético recto. El… … Wikipedia Español
Cristal liquide — Pour les articles homonymes, voir Cristal (homonymie) . Transition smectique nématique Un cristal liquide est un état de la matière qui combine des propriétés d un liquide conventionnel et c … Wikipédia en Français