The non-resonant dynamic galloping of an iced, electrical transmission line is studied. Conditions and trends for the initiation of galloping have been given previously. Boundaries are presented here at which a periodic plunge or torsional motion loses stability and bifurcates into a quasi-periodic
Instability trends of inertially coupled galloping: Part I: Initiation
โ Scribed by P. Yu; N. Popplewell; A.H. Shah
- Book ID
- 102977363
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 567 KB
- Volume
- 183
- Category
- Article
- ISSN
- 0022-460X
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โฆ Synopsis
The objective of this paper is to investigate the trends of the dynamic behavior of a single iced conductor. Attention is focused not only on the initiation of galloping but also on boundaries where a periodic plunge or torsional motion emerge. Trends with respect to the iced conductor's eccentricity and its inertia to mass ratio are particularly stressed. They are shown to be complicated because the individual influences of these two variables can be quite different, or even contradictory. Results are presented in a tabular form so that they can be applied easily to a specific problem.
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