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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Mieghem, Jacques Van (2011)
Publisher: Co-Action Publishing
Journal: Tellus A
Languages: English
Types: Article
Subjects:

Classified by OpenAIRE into

arxiv: Physics::Atmospheric and Oceanic Physics
From the equations of balance established for the different forms of energy (potential, kinetic and internal energies), the energy fluxes, the rates of energy production and conversion are deduced. Provided weighted mean values are considered the zonally averaged value of the kinetic energy may be decomposed into kinetic energy of the mean motion and the mean kinetic energy of the large-scale eddies. The corresponding equations of balance are established. The axial symmetry with respect to the earth's axis allows the introduction of the kinetic energy of the zonal motion and of the motion in the meridional planes. Their equations of balance are given. The conversions between the different species of mechanical energies are envisaged and the influence of the inertial stability on the conversion of “meridional” eddy-kinetic energy into “zonal” eddy-kinetic energy is pointed out. The definition of the large-scale eddy diffusion of heat is deduced from the first law of thermodynamics. This definition contains the flux of “sensible heat” and of “latent heat” as an approximation. Neglecting viscosity and small-scale turbulence, the general formulas are applied to the large atmospheric disturbances. A tentative formulation of the second law of thermodynamics is given.DOI: 10.1111/j.2153-3490.1952.tb01022.x
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    • BJERKNEJ.S, , 1951: The maintenance of the zonal circulation of the atmosphere. Ass. de Me'te'or. (UCGI.) Procks-Verbaiix de Bruxelles, I1 (in print).
    • CHARNEYJ,. G., 1948: O n the scale of atmospheric motions. Geof. Publ., 17, 2, 14-37.
    • EADY,E. T., 1949: Long waves and cyclone waves. Tellus, I, 3, 33-52.
    • FJORTOFTR, ., 1951: Stability properties of large-scale atmospheric disturbances. Comp. of Meteor., Boston, Mass., pp. 454-463.
    • JEFFREYSH, ., 1926: O n the dynamics of geostrophic winds. Quart. J . R. hfefeor. Sor., 52, 85-104.
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    • MILLERJ,. E., 1950: Energy transformation functions. J. of Meteor., 7, 152-159.
    • PRIESTLEYC,. H. B., 1949: Heat transport and zonal stress between latitudes. Quart. J . R. Meteor. Soc., 75, 28-40.
    • STARRV, . P., 1948: O n the production of kinetic energy in the atmosphere. J . Meteor., 5 . 193-196.
    • STARRV, . P., 1949: Transport of kinetic energy in the atmosphere, j. Meteor., 6, 160.
    • VAN MIEGHEMJ,., 1949 a: Production et redistribution de la quantitt de mouvement et de l'dnergie cinttique dans I'atmosphkre. Application i la circulation atmosphkrique gdnirale. J. Sc. de la Mhrbr., I, 53-67.
    • - 1949 b: Les Cquations gbndrales de la micanique et de l'dnergktique des milieux turbulents en vue des applications i la niitiorologie. I m t . Roy. Mc'f6or. de Belgique, Mim. 34, 1-59,
    • - 1 9 5 o a : Comment on the global energy balance of the atmosphere. Cetiteriary Pror. R. .Vfeleor. Soc., I73-175.
    • - 1950 b: L'dquation aux dirivdes partielles de la pression de perturbation associie aux ondulations de grande longueur d'onde du courant gdostrophique zonal. Inst. Roy. Miti'or. de Belgique, Me'm. 39, 1-45.
    • - 1951: Hydrodynamic instability. Comp. of Meteor.. Boston, Mass. See p. 436.
    • VAN MIEGHEMJ,., ET DUFOURL, ., 1948: Thermodynamique de l'atmosphc're. Bruxelles. Off. Int. de Librairie (see pp. 160-167).
    • WHITE,R. M., 1951: The nieridional eddy flux of energy. Qiinrt. J. R. .lfcteor. Sot., 77, 188-199.
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