An Assessment of Frequency-Dependent Damping Using the Nuclear Piping System Damping Data Base

[+] Author and Article Information
A. G. Ware

EG&G Idaho, Inc., Idaho Falls, Idaho 83415

J. Pressure Vessel Technol 107(4), 361-365 (Nov 01, 1985) (5 pages) doi:10.1115/1.3264466 History: Received July 10, 1984; Revised March 26, 1985; Online November 05, 2009


The existing nuclear piping damping data base is examined to assess the relation between frequency and damping in the seismic range (0 to 33 Hz). A conclusion is reached that the published data supports such a correlation for individual systems, and that this relation offers suitable advantages for use in establishing allowable damping values for seismic analyses. The data base for higher frequency systems subjected to flow-induced loads is presently very meager, and thus a corresponding assessment cannot be made.

Copyright © 1985 by ASME
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