Elimination of Destructive, Self-Excited Vibrations in Large, Gas and Oil-Fired Utility Units

[+] Author and Article Information
L. J. Cohan

Component Design and Development, Combustion Engineering, Incorporated, Windsor, Conn.

W. J. Deane

Boiler Design Development, Combustion Engineering, Incorporated, Windsor, Conn.

J. Eng. Power 87(2), 223-228 (Apr 01, 1965) (6 pages) doi:10.1115/1.3678174 History: Received July 23, 1964; Online January 10, 2012


As oil and gas-fired steam generators have grown in size, instances of self-excited vibrations have increased. This paper deals with the steps taken by one manufacturer to study the source of these vibrations and then eliminate them through prebaffling of sensitive gas passes. The method of determining baffle spacings for various gas-pass widths is detailed, together with the necessary mathematical background.

Copyright © 1965 by ASME
Topics: Vibration , Boilers
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