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Friday, May 8, 2020 | History

3 edition of Turbulent penetrative convection found in the catalog.

Turbulent penetrative convection

Zilitinkevich, S. S.

Turbulent penetrative convection

by Zilitinkevich, S. S.

  • 253 Want to read
  • 36 Currently reading

Published by Avebury Technical in Aldershot, Brookfield, USA .
Written in English

    Subjects:
  • Ocean circulation.,
  • Turbulence.

  • Edition Notes

    StatementS.S. Zilitinkevich ; edited by B. Henderson-Sellers.
    ContributionsHenderson-Sellers, Brian.
    Classifications
    LC ClassificationsGC228.5 .Z55 1991
    The Physical Object
    Paginationxx, 179 p. :
    Number of Pages179
    ID Numbers
    Open LibraryOL1557164M
    ISBN 101856281868
    LC Control Number91037849

    We show, using high-resolution three-dimensional numerical simulations, that the required transport of magnetic field from the convection zone to the overshoot region can be achieved on a convective rather than diffusive timescale by a pumping mechanism in turbulent penetrative compressible convection. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): An in#nite #uid with a vertical cubic temperature pro#le in the absence of #uid motion is considered as a model for penetrative convection in which a central unstably strati#ed #uid layer is bounded above and below by stably strati#ed layers. Turbulence statistics from direct and large eddy numerical simulations for.

    A new edition of the bestseller on convection heat transfer A revised edition of the industry classic, Convection Heat Transfer, Fourth Edition, chronicles how the field of heat transfer has grown and prospered over the last two decades. This new edition is more accessible, while not sacrificing its thorough treatment of the most up-to-date information on current research and applications in. A CIP record for this book is available from the British Library ISBN: Printed and bound in Great Britain by CPI Antony Rowe, Chippenham and Eastbourne.

    A numerical study of a turbulent penetrative and recirculating flow induced by the energy input from a fire at the bottom boundary in a partially open rectangular enclosure is carried out. The compartment is connected through an opening to a long corridor, which opens into a stably stratified by: Chapter 7: Convection Gravitational Instability / Rayleigh-B´enard Convection / Top-to-Bottom Turbulent Convection / Penetrative Convection / Convection in a Rotating Fluid / Convection Modeling / Problems / Chapter 8: Turbulence Homogeneous and Isotropic Turbulence / File Size: 65KB.


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Turbulent penetrative convection by Zilitinkevich, S. S. Download PDF EPUB FB2

Turbulent Penetrative Convection. by S. Zilitinkevich (Author) › Visit Amazon's S. Zilitinkevich Page. Find all the books, read about the author, and more.

See search results for this author. Turbulent penetrative convection book you an author. Learn about Author Central. Turbulent penetrative convection book Zilitinkevich Cited by: COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Penetrative turbulent Rayleigh–Bénard convection which depends on the density maximum of water near $4^{\circ }\text{C}$ is studied using two-dimensional and three-dimensional direct numerical simulations.

Topics include: Atmospheric convection, solar and stellar convection, unsteady non-penetrative thermal convection, astrophysical convection and dynamos, dynamics of cumulus entertainment, turbulent convection: helical buoyant convection, transport phenomena, potential vorticity, rotating convective turbulence, and the modeling and simulation.

The problem of penetrative convection in an innite domain in the present formulation, for which the turbulent motion in horizontal planes may be considered homogeneous,requiresonlyspecicationof  0 (x 2).Ifitisdesiredtohaveanunstablelayerofuid bounded above and below by stable layers, then  0 must be positive in some central region, and.

An infinite fluid with a vertical cubic temperature profile in the absence of fluid motion is considered as a model for penetrative convection in which a central unstably stratified fluid layer is bounded above and below by stably stratified by: Comparison of Laboratory Experiments on Penetrative Convection with Measurements in Nature Frank-Dietrich HeidtExperimental Study of a Turbulent Stratified Boundary Layer Developing on a Rough Plate J.-P.

Schon, C. Rey, P. Mery, and J. Mathieu Laboratory Experiments on Shear Generated Turbulence in Stratified Fluid and. Pumping of Magnetic Fields by Turbulent Penetrative Convection. Phillips, O. On turbulent convection currents and the circulation of the Red Sea. Deep-Sea Res. 13, – Schott, F., Visbeck, M.

& Fischer, J. Observations of vertical currents and convection in the Central Greenland Sea during the winter –Cited by: uid), convection sets in. Two kinds of con-vection are distinguished here: top-bottom convection and penetrative convection.

The chapter closes with remarks on the ff of rotation and on methods to sim-ulate convection in computer models. Gravitational Instability Thermal expansion causes warmer uid to expand thereby decreasing its Size: KB.

Penetrative convection occurs when vertical buoyancy-driven motion originating in an unstably stratified layer of fluid penetrates into surrounding stably stratified layers.

If the Reynolds number of the flow field is sufficiently large, the fluid motion will be by: Penetrative convection does not feature a turbulent core where vn > 0 (i.e. inward moving enstrophy isosurfaces) that has been previously identified in other entraining flows such as jets or.

A plausible scenario for solar dynamo action is that the large-scale organized toroidal magnetic field is generated by the action of strong radial shear at the base of the solar convection zone, whereas the weaker poloidal field is regenerated by cyclonic convection throughout the convection zone.

We show, using high-resolution three-dimensional numerical simulations, that the required. Topics include: Atmospheric convection, solar and stellar convection, unsteady non-penetrative thermal convection, astrophysical convection and dynamos, dynamics of cumulus entertainment, turbulent convection: helical buoyant convection, transport phenomena, potential vorticity, rotating convective turbulence, and the modeling and simulation Format: Hardcover.

We study the effects of rotation on penetrative behaviour of turbulent compressible convection in a stellar-type con-vection zone. The Naviér-Stokes equations are numeri-cally solved and rotational effects are incorporated using Fig. 1 f-plane configuration in which the angular velocity vector points toward the north pole.

Turbulent penetrative convection is quite distinct from its laminar counterpart and from the equivalent motions in a domain confined by impenetrable horizontal boundaries. Although overshooting would not be so deep in the solar case, the lack of true penetration extending the adiabatic region may explain why helioseismic inferences show little.

Heidt, F. Comparison of laboratory experiments on penetrative convection with measurements in nature, in Heat Transfer and Turbulent Buoyant Convection, Vol. 1, ed. by Spalding and Afgan.

– Google ScholarCited by: Penetrative turbulent Rayleigh-B enard convection 3 (a) (b) z y T^ b>4 C Unstable strati cation T^ m= 4 C Stable strati cation T^ tpenetrative Rayleigh-B enard convection near 4 C. We try to ll this gap and report universal relationship of cwith the density inversion Author: Qi Wang, Quan Zhou, Zhen-Hua Wan, De-Jun Sun.

The penetrative turbulent convection is induced by the constant heat flux H 0 from the surface of a plate with diameter D ().It simulates a prototype of an urban heat island with the low-aspect-ratio plume (z i /D ≪ 1) under near-calm conditions and stably stratified atmosphere: (∂T/∂z) a = γ z > 0, where T is temperature and z is flow is assumed to be by:   Penetrative turbulent Rayleigh-B\'enard convection which depends on the density maximum of water near $4^\circ\rm{C}$ is studied using two.

The chapters in this book address the two groups of topics summarized as "Stellar Rotation and Associated Seismology" as well as "Stellar Convection and Associated Seismology".

The book offers the reader solid theoretical background knowledge and adapted seismic diagnostic techniques. Turbulence in thermal convection is investigated for flows in which the production of turbulence energy is due solely to buoyancy, and the statistics of the flow are homogeneous in horizontal planes.

New experimental results for high Rayleigh number unsteady turbulent convection in a horizontal layer heated from below and insulated from above are presented and compared to turbulent Cited by: Three parameterisations are available to deal with convective processes: a non-penetrative convective adjustment or an enhanced vertical diffusion, or/and the use of a turbulent closure scheme.

Non-Penetrative Convective Adjustment ().