Journal of Experimental and Theoretical Physics

, Volume 126, Issue 2, pp 276–283 | Cite as

Dynamics of Upward Jets with Newtonian Cooling

Statistical, Nonlinear, and Soft Matter Physics
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Abstract

The Rayleigh–Taylor instability which is responsible for the occurrence of narrow upward jets is studied in the scope of the nonhydrostatic model with horizontally nonuniform density and the Newtonian cooling. As analysis shows, the total hierarchy of instabilities in this model consists of three regimes—collapse, algebraic instability, and inertial motion. Realization of these stages, mutual transitions, and interference depend on a ratio between two characteristic time scales—collapse time and cooling time.

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© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  1. 1.Obukhov Institute of Atmospheric PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.UFR des Mathématiques Pures et AppliquéesUniversité de Lille, CNRS FRE 3723-LMLLilleFrance

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