underwater hydrodynamics
11Parametric array — The parametric array is a nonlinear transduction mechanism that generates narrow, nearly sidelobe free beams of low frequency sound, through the mixing and interaction of high frequency sound waves, effectively overcoming the diffraction limit (a …
12ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
13Wind wave — Ocean wave redirects here. For the film, see Ocean Waves (film). North Pacific storm waves as seen from the NOAA M/V Noble Star, Winter 1989 …
14Hull (watercraft) — Half hull of the 46 gun ship of the line Tigre, build from 1724 in Toulon after plans by Blaise Coulomb A hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull …
15Mark 24 FIDO Torpedo — The Mark 24 FIDO Torpedo was a US air dropped passive acoustic homing anti submarine torpedo used during the Second World War against German and Japanese submarines. It entered service in March 1943 and continued in service with the US Navy until …
16Carl Eckart — Carl Henry Eckart (May 4, 1902 in St. Louis, Missouri ndash; October 23, 1973 in La Jolla, California) was an American physicist, physical oceanographer, geophysicist, and administrator. He co developed the Wigner Eckart theorem and is also known …
17Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… …
18Sailboat — A sailboat or sailing boat is a boat propelled partly or entirely by sails. The term covers a variety of boats, larger than small vessels such as sailboards and smaller than sailing ships, but distinctions in size are not strictly defined and… …
19Naval architecture — Tahitian Princess in Tórshavn, Faroe Islands, August 2009 Naval architecture is an engineering discipline dealing with the design, construction, maintenance and operation of marine vessels and structures.[1] …
20Vortex dynamics — In 1858 Hermann von Helmholtz published his seminal paper entitled Über Integrale der hydrodynamischen Gleichungen, welche den Wirbelbewegungen entsprechen, in Journal für die reine und angewandte Mathematik , vol. 55, pp.25 55. So important was… …
