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 Tr. Mat. Inst. Steklova, 2013, Volume 281, Pages 188–198 (Mi tm3473)

Classification of the types of instability of vertical flows in geothermal systems

A. T. Il'icheva, G. G. Tsypkinb

a Steklov Mathematical Institute of the Russian Academy of Sciences, Moscow, Russia
b Ishlinsky Institite for Problems in Mechanics, Russian Academy of Sciences, Moscow, Russia

Abstract: Stability of vertical flows in geothermal systems is investigated in the case when the domain occupied by water (heavy fluid) is located over the domain occupied by vapor. It is found that under the transition to an unstable regime in a neighborhood of the existing solution, a pair of new solutions appears as a result of the turning point bifurcation. We consider the dynamics of a narrow band of weakly unstable and weakly nonlinear perturbations of the plane surface of the water-to-vapor phase transition. It is shown that such perturbations obey the generalized Ginzburg–Landau–Kolmogorov–Petrovsky–Piscounov equation.

 Funding Agency Grant Number Russian Foundation for Basic Research 11-01-00335-a11-01-12051-ofi-m The work was supported by the Russian Foundation for Basic Research (project nos. 11-01-00335a and 11-01-12051-ofi-m-2011).

DOI: https://doi.org/10.1134/S0371968513020155

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English version:
Proceedings of the Steklov Institute of Mathematics, 2013, 281, 179–188

Bibliographic databases:

UDC: 532.546

Citation: A. T. Il'ichev, G. G. Tsypkin, “Classification of the types of instability of vertical flows in geothermal systems”, Modern problems of mechanics, Collected papers. Dedicated to Academician Andrei Gennad'evich Kulikovskii on the occasion of his 80th birthday, Tr. Mat. Inst. Steklova, 281, MAIK Nauka/Interperiodica, Moscow, 2013, 188–198; Proc. Steklov Inst. Math., 281 (2013), 179–188

Citation in format AMSBIB
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