Control of resonant excitation in piping systems
Date
2018
Authors
Journal Title
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Volume Title
Publisher
9th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, Flow-Induced Vibration & Noise
Abstract
Acoustic resonance is a phenomenon which is known to
have severe repercussions in a variety of industrial systems.
Acoustic resonance can cause high levels of vibrations leading
to damage or premature failure of critical components. Although
acoustic resonance affects a broad spectrum of industrial
equipment, piping systems will be of focus in this work. Both
passive and active damping techniques were previously
investigated. However, there is a need to investigate the
practicality of such devices when implemented in industrial
systems. Herschel-Quincke (HQ) tubes have been selected for
experimental study throughout this work. The experimental
setup consists of an open-air loop pipeline system which is
capable of exciting a standing wave with a fundamental
frequency of 30 Hz and a target dominant fifth mode of 150 Hz.
Transmission loss measurements were performed by means of
the two source-location method. Insertion loss measurements
were performed with a straight pipe used as the baseline. The
current work has shown that Herschel-Quincke devices have
potential for practical implementation into resonant piping
systems in industry.
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Citation
Lato, T., Mohany, A., 2018, "Control of resonant excitation in piping systems," Proceedings of the 9th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, Flow-Induced Vibration & Noise, June 8-11, 2018, Toronto, Ontario, Canada.