Abstract
The present study considers the effect of the solubility of a surfactant on monotonic oscillatory thermocapillary instability of equilibrium in a two-layer system. It is established that with increase in the parameter which characterizes the solubility of the surfactant a reduction takes place in the threshold of the monotonic instability; finally the monotonic perturbations become most dangerous.
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J. C. Berg and A. Acrivos, “The effect of surface active agents on convection cells induced by surface-tension,” Chem. Eng. Sci.,20, 737 (1965).
H. J. Palmer and J. C. Berg, “Hydrodynamic stability of surfactant solutions heated from below,” J. Fluid Mech.,51, 385 (1972).
A. A. Nepomnyashchii and I. B. Simanovskii, “Thermocapillary convection in two-layer systems in the presence of a surfactant on an interface,” Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 2, 3 (1986).
A. A. Nepomnyashchii and I. B. Simanovskii, “Oscillatory convective instability of the equilibrium of two-layer systems in the presence of a thermocapillary effect,” Zh. Prikl. Mekh. Tekh. Fiz., No. 1, 62 (1985).
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 2, pp. 171–175, March–April, 1988.
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Nepomnyashchii, A.A., Simanovskii, I.B. Occurrence of thermocapillary convection in a two-layer system in the presence of a soluble surfactant. Fluid Dyn 23, 302–306 (1988). https://doi.org/10.1007/BF01051904
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DOI: https://doi.org/10.1007/BF01051904