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XXVII.—The Dissipation of Energy in Torsionally Oscillating Wires of Brass and. other Materials, with the Effects produced on the Law of Torsional Oscillation by Change of Temperature, etc

Published online by Cambridge University Press:  15 September 2014

J. B. Ritchie
J. B. Ritchie*
Affiliation:
Carnegie Research Scholar in Physics, University College, Dundee
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Extract

In the determination of the law of decrease of torsional oscillations of an iron wire, when the range of oscillation is large in comparison with the palpable limits of elasticity, an equation of the form

yn (x + a)= b

has been shown by Dr Peddie (Phil. Mag., July 1894) to give close representation of results where—

y = the range of oscillation.

x = the number of oscillations since the commencement of observations.

n, a, b = quantities, constant for any one experiment, depending on the initial conditions of the experiment and the previous treatment of the wire.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh , Volume 31 , 1912 , pp. 424 - 439
Copyright
Copyright © Royal Society of Edinburgh 1912

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References

page 424 note * The scale readings y on the diagrams correspond to a rotation through 1° per ·175 cm. of scale.

page 427 note * ·0975 cm.

page 428 note * Diagram 3.

page 431 note * This term will be used in subsequent pages to denote a length of wire cut from a coil as supplied by the dealer.