Abstract
The bifurcation problem near the neutral curves constructed for Poiseuille flow in a compliant pipe is investigated. The existence of stable self-excited oscillatory regimes branching from the noses of the neutral curves in the region of linear instability is established both for Re < 2000 and for Re > 2000, which corresponds to a soft excitation regime. The bifurcated self-excited oscillation modes are determined, and the effect on the branching of the Reynolds numbers Re and, moreover, the compliance and internal viscosity of the pipe material is analyzed. The data obtained can be used in medicine and for designing stabilizing elements for flows in circular pipes.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 4, pp. 31–39, July–August, 1991.
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Ganiev, R.F., Ukrainskii, L.E. Monoharmonic self-excited oscillations bifurcating from Poiseuille flow in a compliant pipe of circular cross section. Fluid Dyn 26, 501–508 (1991). https://doi.org/10.1007/BF01050309
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DOI: https://doi.org/10.1007/BF01050309