Analysis of Bi and Trifilar Suspension Oscillations - Hinrichsen, Peter
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Bi and Trifilar suspensions are used to determine the gyradii of solid objects about a vertical axis by measuring the suspension length, spacing and period of yaw oscillation. Corrections for the vertical motion, for the finite oscillation amplitude, and for the finite mass of the suspension lines are given. The effect of a center of mass displaced from the symmetry axis is analysed. The precision of such measurements can be enhanced by measuring the ratio of the yaw and sway periods of oscillation. Furthermore the double pendulum oscillation of the bifilar suspension can be used to determine…mehr

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Produktbeschreibung
Bi and Trifilar suspensions are used to determine the gyradii of solid objects about a vertical axis by measuring the suspension length, spacing and period of yaw oscillation. Corrections for the vertical motion, for the finite oscillation amplitude, and for the finite mass of the suspension lines are given. The effect of a center of mass displaced from the symmetry axis is analysed. The precision of such measurements can be enhanced by measuring the ratio of the yaw and sway periods of oscillation. Furthermore the double pendulum oscillation of the bifilar suspension can be used to determine the gyradius about a horizontal axis as well as the vertical position of the center of mass.
Autorenporträt
Peter Hinrichsen received his Doctorate from Manchester University in 1961 for measuring the moment of inertia of the U238 nucleus and continued research at the University of Pennsylvania, McGill, and the University of Montreal. He served at five Olympic Games, measuring the gyradii of sailboats using compound pendulum and bifilar techniques.