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Acoustic response analysis of pipeline networks using two-ports
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0001-7898-8643
2013 (English)In: 42nd International Congress and Exposition on Noise Control Engineering 2013, INTER-NOISE 2013: Noise Control for Quality of Life, OAL-Osterreichischer Arbeitsring fur Larmbekampfung , 2013, 5857-5866 p.Conference paper (Refereed)
Abstract [en]

Sound generation and propagation inside pipeline networks has been of major concern in different applications. There is a need to solve performance problems caused by reciprocating equipment or flow generated noise sources in piping and pipeline systems. If the source pulsations coincide with one of the acoustic resonances in the system, high dynamic pressure amplitudes can be generated causing shaking forces at the pipe ends which excite mechanical vibrations and mechanical stress which might lead to fatigue and failure. In this paper, the two-port technique is used to describe the pipeline network where the network can be divided into elements; each is described by a transfer matrix. The compressors are modeled as one-ports described by source strength and source impedance. A pilot plant equipped with a reciprocating compressor was built, and the pressure pulsations were measured in different positions inside the network. The source characteristics of the compressor were measured using the multi-load technique which is commonly used to characterize the acoustics of internal combustion engines. The dynamic pressure was calculated inside the two-port network and compared to the measurements.

Place, publisher, year, edition, pages
OAL-Osterreichischer Arbeitsring fur Larmbekampfung , 2013. 5857-5866 p.
Keyword [en]
Acoustic impedance, Acoustic variables control, Compressors, Failure (mechanical), Internal combustion engines, Pilot plants, Pipelines, Reciprocating compressors, Stresses, Transfer matrix method, Vibrations (mechanical), Acoustic resonance, Acoustic response analysis, Flow-generated noise, High dynamic pressure, Performance problems, Pressure pulsation, Reciprocating equipments, Source characteristics, Acoustic noise
National Category
Other Engineering and Technologies
URN: urn:nbn:se:kth:diva-151075ScopusID: 2-s2.0-84904489321ISBN: 978-163266267-5OAI: diva2:746813
42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013, 15 September 2013 through 18 September 2013, Innsbruck, Austria

QC 20140915

Available from: 2014-09-15 Created: 2014-09-15 Last updated: 2014-09-15Bibliographically approved

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