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Aerodynamically Induced Vibration in Coolers

Published online by Cambridge University Press:  04 July 2016

D. C. Mabey
D. C. Mabey*
Affiliation:
Royal Aircraft Establishment, Bedford
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Extract

Vortices shed from cooler tubes can excite standing pressure waves in coolers if the vortex shedding frequency coincides with the standing wave frequency(1, 2, 3, 4). If resonant conditions are encountered in a particular cooler the single vortex shedding frequency may be suppressed by fitting in-clined splitter plates into the coolers. These splitter plates also “detune” the coolers by raising the resonant frequencies.

Splitter plates of this type were used recently to eliminate severe noise and structural vibration in a new cooler for the 3 ft wind tunnel at the Royal Aircraft Establishment, Bedford.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 69 , Issue 660 , December 1965 , pp. 876 - 877
Copyright
Copyright © Royal Aeronautical Society 1965

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References

1.Baird, R. C.Pulsation Induced Vibration in Utility Steam Generation Units. Combustion, pp 38–44, April 1954.Google Scholar
2.Putnam, A. A. How Induced Noise in Heat Exchangers. ASME Paper No. 58-A-103.Google Scholar
3.Godman, R. R. and Stein, S. Elimination of Noise in the Heat Exchanger of a Supersonic Wind Tunnel. ASME Paper No. 59-A-232.Google Scholar
4.Grotz, B. J. and Arnold, F. R. Flow Induced Vibrations in Heat Exchangers. TR 31 to Office of Naval Research, August 1956.Google Scholar