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 ?
The more atmospheric relevant internal wave can arise in a stratified flow when a light fluid, resting underneath a reference atmosphere of remarkably larger depth, is intruded by a dense fluid or a solid obstruction.
Then, we depict the measured internal wave field from spectral analysis of the field data and present the theoretical natural modes by using the eigenmodel.
In this article, we review the internal wave issues in the sea that involve tidal forces using the HAM method.
Seasonal changes in so-called linear parameters of internal wave propagation--the phase speed c (Fig.
The thermal convection and turbulence caused by the internal wave are studied in essence in Lorenz's paper [10].
To generate an internal wave field with an organized structure it is necessary to have a coherent localized source.
Godoy-Diana et al.[12] explored internal wave beams interacting with a horizontal Lamb-Chaplygin pancake vortex dipole bounded vertically by a Gaussian, as can be seen in figure 1.
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.
Recommendations include revisiting current IPC specifications and considering an increase in minimum copper thickness limits to 0.001"; 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.g., trace width/tear-drop transition region.
Many quantum concepts violate classical sensibilities, but they all restate the same quantum reality, that of the internal wave function.
Given an assumed mixing efficiency, these rates are roughly consistent with estimates of power going through the three primary mechanisms of internal wave generation: barotropic tidal flow over topography leading to internal tides (~1 TW; see the sections on "Near-field tidal mixing" and "Far-field internal tides"), low-frequency flows over topography producing internal lee waves (0.2-0.7 TW; see section on "Internal lee waves"), and variable wind forcing producing near-inertial internal waves (0.3-1 TW; see section on "Wind-driven near-inertial motions").
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.