Energy and entropy evolution of interacting internal gravity waves and turbulence

Details Energy and entropy evolution of interacting internal gravity waves and turbulence Energy and entropy evolution of interacting internal gravity waves and turbulence

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984gapfd..28..171f&link_type=abstract

Geophysical and Astrophysical Fluid Dynamics (ISSN 0309-1929), vol. 28, April 1984, p. 171-203.

Physics

Fluid Dynamics

9

Energy Spectra, Entropy, Gravity Waves, Internal Waves, Turbulence Effects, Wave Interaction, Atmospheric Models, Brunt-Vaisala Frequency, Closure Law, Markov Processes, Ocean Models, Spectral Methods, Two Dimensional Flow, Two Dimensional Models

Scientific paper

A two-dimensional spectral model has been developed to study the energy and entropy evolutions of interacting internal gravity waves and turbulence in the (x,z) plane. Numerical simulations are presented of internal gravity waves and turbulence in the inviscid, viscous decay, and forced dissipative states. In each case entropy evolution is compared with that predicted by an eddy-damped, quasinormal Markovian closure (EDQNM) for two dimensional internal waves. A transition wavenumber k sub one is defined to distinguish between wave motion and turbulence effects. In experiments in which wave motion is generated from instability, it is found that entropy production and energy transfers are inhibited as Brunt-Vaisala frequencies are increased. The model is also used to study the relaxation of the waves, and the return to statistical steady state of a forced dissipative internal wave. The initial increase and subsequent decrease of entropy was found to be consistent with predictions made in the EDQNM closure equation.

Affiliated with

Also associated with

No associations

Rating

Energy and entropy evolution of interacting internal gravity waves and turbulence does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Energy and entropy evolution of interacting internal gravity waves and turbulence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Energy and entropy evolution of interacting internal gravity waves and turbulence will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1499340