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Acoustic modelling and characterization of plate heat exchangers
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0001-7898-8643
2012 (English)In: SAE Technical Paper 2012-01-1562, Society of Automotive Engineers, 2012Conference paper, Published paper (Refereed)
Abstract [en]

There is increased concern about the noise emission from cooling systems. This is mainly due to an increased need for cooling needs due to turbo-charging and EGR systems, which tend to increase the fan power and thereby the noise. An important issue in this context is the behavior of the heat-exchanger and its acoustic transmission and absorption properties. In this paper an acoustic model to evaluate such data for a common type of heat exchanger, the parallel plate type, is presented. The basic configuration is assumed to be a matrix of parallel, narrow channels. The developed model is based on a so called equivalent fluid for an anisotropic medium. It is mainly dependent on the heat exchanger geometry combined with the Kirchhoff model for thermo-viscous wave propagation in narrow tubes. The proposed model can be used to predict the sound transmission and absorption for an entire heat exchanger for incident plane waves. This model is validated by comparison with measurement results for seven different heat exchangers used in vehicle and train cooling units at different flow speeds

Place, publisher, year, edition, pages
Society of Automotive Engineers, 2012.
Series
SAE Technical Papers, ISSN 0148-7191
Keyword [en]
Acoustic model, Acoustic modelling, Acoustic transmission, Anisotropic medium, Comparison with measurements, Cooling unit, Developed model, Fan power, Flow speed, In-vehicle, Kirchhoff model, Narrow channel, Narrow tubes, Noise emissions, Parallel plates, Plane wave, Plate heat exchangers, Sound transmission, Acoustic wave transmission, Anisotropic media, Architectural acoustics, Automobile cooling systems, Cooling systems, Heat exchangers, Plates (structural components), Acoustic noise
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-131360DOI: 10.4271/2012-01-1562Scopus ID: 2-s2.0-84877186133OAI: oai:DiVA.org:kth-131360DiVA: diva2:656240
Conference
7th International Styrian Noise, Vibration and Harshness Congress: The European Automotive Noise Conference, SNVH 2012; Graz; Austria; 13 June 2012 through 15 June 2012
Note

QC 20131015

Available from: 2013-10-15 Created: 2013-10-14 Last updated: 2013-10-15Bibliographically approved

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Åbom, Mats

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  • apa
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