Mechanical Resonance. Free and forced SHM of a torsional pendulum


Wissenschaftlicher Aufsatz, 2012

9 Seiten


Inhaltsangabe oder Einleitung

In order to test SHM, the behaviour changes of a torsion pendulum due to different damping factors as well as its changes due to applying an external exciter were observed and compared with the theoretical expectations. The quality factor of the same damping state (with a brake current of 6A in the eddy brakes) was calculated using two different approaches and the resulting values were found to be within ơ of each one, as Q1 = 6.0±1.3 and Q2 = 7.5±0.7. The first approach was based on measuring the maximum displacement for each successive oscillation and deducing the slope from the plot of the natural logarithm of the amplitude against the number of oscillations. Differently, the second estimate of Q was obtained under forced oscillation conditions by taking the ratio of the experimentally determined resonance amplitude and the amplitude of natural oscillation.

Details

Titel
Mechanical Resonance. Free and forced SHM of a torsional pendulum
Autor
Jahr
2012
Seiten
9
Katalognummer
V268472
ISBN (eBook)
9783656586029
ISBN (Buch)
9783656585992
Dateigröße
650 KB
Sprache
Englisch
Schlagworte
mechanical, resonance, free
Arbeit zitieren
Laura Imperatori (Autor:in), 2012, Mechanical Resonance. Free and forced SHM of a torsional pendulum, München, GRIN Verlag, https://www.grin.com/document/268472

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Titel: Mechanical Resonance. Free and forced SHM of a torsional pendulum



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