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.
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Published in Russian in Trudy Matematicheskogo Instituta imeni V.A. Steklova, 2013, Vol. 281, pp. 188–198.
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Il’ichev, A.T., Tsypkin, G.G. Classification of the types of instability of vertical flows in geothermal systems. Proc. Steklov Inst. Math. 281, 179–188 (2013). https://doi.org/10.1134/S0081543813040159
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DOI: https://doi.org/10.1134/S0081543813040159