internal wave


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internal wave

[in′tərn·əl ′wāv]
(fluid mechanics)
A wave motion of a stably stratified fluid in which the maximum vertical motion takes place below the surface of the fluid.
References in periodicals archive ?
54 regions of the world where oceanic internal wave manifestations have been observed.
Common situations include internal wave propagation through a mean current, spatially varying current or shear [16, 25, 26, 1], vortex or vortices [8, 12, 17], and other waves [20, 19, 18, 3, 4, 5, 6, 23, 24, 7].
While in Long Reach the velocity shear, initiated by tides, played the central role in the diapycnal mixing processes, in the Baltic Sea the mixing processes apparently are initiated by a more random internal wave field, excited by winds, convection, turbulent eddies in the mixed layer and interaction of swells.
001"; minimize variation of new incoming copper thickness specifications; educate manufacturers on the need to fully characterize internal wave soldering processes, inclusive of copper erosion; and enforce "good" PCB design rules; e.
Shirshov Institute of Oceanology of Russian Academy of Science will cooperate on the research fields of the detection methods and equipments of earthquake on Taiwan's eastern coastal sea beds, the application of elastic wave energy absorption on coastal protection methods, and the application of underwater acoustic wave and remote sensing on the internal wave detection of Taiwan's continental shelf.
Zeroing in on this energy transfer, Alam used computer simulations to transform a surface wave into internal wave as it approaches an object - meaning that the wave will pass beneath the object rather than crashing into it.
According to Livingstone, the most common trigger of overturning in other lakes is wind stress: Winds first pile water on one side of the lake, then stop blowing, releasing the water like "a bowl of soup on a cafeteria tray" and creating an internal wave that can precipitate an overturn.
In confined fluid domains, successive reflections may lead to formation of a closed trajectory, an internal wave attractor.
And at the spot where these crescent waves, began, they found a standing, or stationary, internal wave spanning the western end of the channel in a northsouth direction.
I am currently collaborating with Alberto Scotti, who studies fluid dynamics at the University of North Carolina, to investigate a rare type of internal wave in the ocean called a "wave of elevation.
The instruments can make such fine-scale observations of current velocities that scientists will be able to detect internal wave motions, as well as other flows that occur only infrequently, They will also be able to detect subtle variations in eddies--smaller-scale, episodically occurring currents that move contrary to main currents.
The figures show the passage of an internal wave as photographed from FLIP.