Recent Developments in Vibration Monitoring and Diagnostics for Aeroderivative Gas Turbines PUBLIC ACCESS

[+] Author Affiliations
James C. Adams

Bently Nevada Corporation, Minden, NV

Paper No. 85-IGT-31, pp. V004T10A003; 6 pages
  • ASME 1985 Beijing International Gas Turbine Symposium and Exposition
  • Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; Technology Resources; General
  • Beijing, People’s Republic of China, September 1–7, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7945-0
  • Copyright © 1985 by ASME


Industrial aeroderivative gas turbines are becoming increasingly popular for use in both on-shore and off-shore installations. The characteristics of these machines — high efficiency in simple cycle operation, small size, and light weight — make them ideal for industrial applications.

As the aeroderivative gas turbine has become more widely used, the need for more reliable monitoring methods has become increasingly apparent.

Traditional velocity transducer based seismic monitoring systems have had several shortcomings when applied to aeroderivative gas turbines. One of these problems was nuisance alarms due to increasing transducer noise output. Another was not detecting increasing casing vibration because of transducer deterioration.

Overcoming these problems has required advances in transducer technology as well as changes in signal processing techniques. This paper describes the technology and techniques used in new seismic vibration monitoring systems.

Copyright © 1985 by ASME
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