0
TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics and Aircraft Engines

Computation of the Optimal Normal Load of a Friction Damper Under Different Types of Excitation

[+] Author and Article Information
D. Cha, A. Sinha

Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

J. Eng. Gas Turbines Power 125(4), 1042-1049 (Nov 18, 2003) (8 pages) doi:10.1115/1.1584474 History: Received October 01, 1998; Revised March 01, 1999; Online November 18, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
A blade-to-ground damper
Grahic Jump Location
Equivalent single-degree-of-freedom system
Grahic Jump Location
Hysteretic characteristic of a friction damper (sinusoidal response)
Grahic Jump Location
Ap as a function of xc (sinusoidal excitation)
Grahic Jump Location
Rx as a function of xc (white noise excitation)
Grahic Jump Location
(a) Rx as a function of xc and ωF (narrowband excitation); (b) peak value of Rx as a function of xc (narrowband excitation)
Grahic Jump Location
(a) σx/Q0 as a function of μfFN/Q0 (W.N.); (b) peak value of σx/Q0 as a function of μfFN/Q0 (N.B.); (c) Ap/f0 as a function of μfFN/f0 (S.)
Grahic Jump Location
σxst versus xcst for white noise excitation, peak value of σxst versus xcst for narrow band excitation, rms(xp)/rms(xst) versus xc/rms(xst) for sinusoidal excitation (KG=43,000 N/m)
Grahic Jump Location
σxst versus xcst for white noise excitation, peak value of σxst versus xcst for narrow band excitation, rms(xp)/rms(xst) versus xc/rms(xst) for sinusoidal excitation, (KG=64,500 N/m)
Grahic Jump Location
Peak value of σxst versus xcstF=0.01, 0.05, and 0.1)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In