Abstract
In the paper a method for determining of the aerodynamic influence on oscillating cantilever beams based on gyroscope measurements is presented. The developed method allow to establish the global influence of the aerodynamic effects on oscillation process and the local force characteristics in each cross-section of the beam. The obtained estimates of drag and added mass forces acting on the beams show a good agreement with the known numerical and experimental data.
Highlights
The past few decades have witnessed a rising interest in the study of mechanical vibrations of the beams in viscous static fluids
The problem of evaluation of aerodynamic forces and moments acting on a cantilever beams is extremely complicated, mainly because of the complexity of threedimensional gas flows caused by vibrations of the beam
That allows to use a simplified quasi-two dimensional model of interaction between a beam and a gas, according to which the aerodynamic forces acting on each cross-section of the beam can be considered as a result of the planar flow past a section
Summary
The past few decades have witnessed a rising interest in the study of mechanical vibrations of the beams in viscous static fluids. That allows to use a simplified quasi-two dimensional model of interaction between a beam and a gas, according to which the aerodynamic forces acting on each cross-section of the beam can be considered as a result of the planar flow past a section. This model is widely used in many studies [3, 6,7,8,9,10,11]. Such integral relations are used in this work for the experimental determination of aerodynamic forces from parameters of the beam oscillations (LD and RVF)
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