Non-linear response of a liquid bridge to a sinusoidal acceleration under microgravity

Non-linear response of a liquid bridge to a sinusoidal acceleration under microgravity An experiment was performed aboard a sounding rocket on a long cylindrical liquid bridge, aiming at discerning the real transfer function of this liquid configuration to small acceleration loads, quantified by the liquid free-surface deformation divided by the axially imposed acceleration. The results were, however, in great discrepancy with theoretical predictions, showing asymmetric jumps of high amplitude in the evolution of the radial deformation of the liquid bridge, instead of a symmetric sinusoidal radial deformation (axisymmetry was preserved). It has been found now that a non-linear dynamic model perfectly explains this unexpected behaviour. Experiments in Fluids Springer Journals

Non-linear response of a liquid bridge to a sinusoidal acceleration under microgravity

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Copyright © 2004 by Springer-Verlag
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
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