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A Methodology for Evaluating the Damping Effectiveness of a Split Sleeve Damper Tube Design—With an Optimum Design for Rotor Application

[+] Author Affiliations
Jushin Hsiao

Gentek Engineering, Clinton, NJ

Paper No. GT2012-68048, pp. 1155-1159; 5 pages
doi:10.1115/GT2012-68048
From:
  • ASME Turbo Expo 2012: Turbine Technical Conference and Exposition
  • Volume 7: Structures and Dynamics, Parts A and B
  • Copenhagen, Denmark, June 11–15, 2012
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4473-1
  • Copyright © 2012 by ASME

abstract

A procedure is presented for calculating the damping effectiveness and quality factor for a tubular damping device that has application in rotary machinery. The design utilizes a split sleeve tube inserted inside a slightly larger tube that needs to be protected from vibration damage. The mechanism of energy dissipation for this damping design is primarily through mechanical work rather than through friction. Using the methodology developed in this paper, various split sleeve designs are evaluated, and an optimum configuration that has far superior damping capability is presented. More importantly, engineers now have a tangible method to parametrically optimize their design in the early stages of the development process, and to minimize the scope and cost of verification tests.

Copyright © 2012 by ASME
Topics: Dampers , Damping , Design , Rotors

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