L773:9781624102134
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- Weng, ChenyangKTH,MWL Marcus Wallenberg Laboratoriet,Linné Flow Center, FLOW (author)
Sound-turbulence interaction in low Mach number duct flow
- Article/chapterEnglish2013
Publisher, publication year, extent ...
- 2013-05-24
- Reston, Virginia :American Institute of Aeronautics and Astronautics,2013
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-123753
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123753URI
- https://doi.org/10.2514/6.2013-2024DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- QC 20130710
- When sound waves propagate in ducts with the presence of turbulent flow, turbulent stresses can cause extra attenuation of the wave in addition to that caused by viscothermal effects. Different models for the turbulent stress acting on the sound waves are investigated in this study, and they are applied to compute the wall shear stress impedance of sound waves. Among these models the non-equilibrium model proposed by the present authors in another paper is studied in details. Attempt of including mean flow convection effect in the non-equilibrium model is made. The resulting modified model is then applied to compute the wave attenuation, and the results are compared with experimental data.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Strömningsmekanik och akustik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Fluid Mechanics and Acoustics hsv//eng
- Järnvägsgruppen - Ljud och vibrationer
- Järnvägsgruppen - Ljud och vibrationer
Added entries (persons, corporate bodies, meetings, titles ...)
- Boij, SusannKTH,MWL Marcus Wallenberg Laboratoriet,Linné Flow Center, FLOW(Swepub:kth)u1h1ekm4 (author)
- Hanifi, ArdeshirKTH,MWL Marcus Wallenberg Laboratoriet,Linné Flow Center, FLOW(Swepub:kth)u1t125t9 (author)
- KTHMWL Marcus Wallenberg Laboratoriet (creator_code:org_t)
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- In:19th AIAA/CEAS Aeroacoustics ConferenceReston, Virginia : American Institute of Aeronautics and Astronautics9781624102134
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