Gravitational oscillations of a liquid column in a pipe

作者: Christophe Clanet , Élise Lorenceau , David Quéré , Jean-Yves Ollitrault

DOI: 10.1063/1.1476670

关键词: Pipe flowDissipationLiquid columnPhysicsJet (fluid)MechanicsGravitationStress (mechanics)Gravity (chemistry)

摘要: We report gravity oscillations of a liquid column partially immersed in bath liquid. stress some peculiarities this system, namely (i) the fact that mass oscillator constantly changes with time; (ii) singular character beginning rise, for which is zero; (iii) sources dissipation found to be dominated at low viscosity by entrance (or exit) effects, leading long-range damping oscillations. conclude qualitative descriptions second-order phenomenon, eruption jet rise.

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