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Investigations of a...
Investigations of automotive turbocharger acoustics
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- Tiikoja, H. (författare)
- KTH,Competence Center for Gas Exchange (CCGEx),MWL Marcus Wallenberg Laboratoriet,MWL Strömningsakustik
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- Rämmal, H. (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,Competence Center for Gas Exchange (CCGEx)
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- Åbom, Mats, 1954- (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,Competence Center for Gas Exchange (CCGEx),MWL Strömningsakustik
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- Bodén, Hans, 1954- (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,Competence Center for Gas Exchange (CCGEx),MWL Strömningsakustik
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(creator_code:org_t)
- SAE International, 2011
- 2011
- Engelska.
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Ingår i: SAE technical paper series. - : SAE International. - 0148-7191. ; 4:2, s. 2531-2542
- Relaterad länk:
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
Ämnesord
Stäng
- In this paper an overview of recent experimental studies performed at KTH on the sound transmission and sound generation in turbochargers is presented. The compressor and turbine of the turbochargers are treated as acoustic active 2-ports and characterized using the unique experimental test facility established at KTH. The 2-port model is limited to the plane wave range so for higher frequencies the propagating acoustic power is estimated using an average based on pressure cross-spectra. A number of automotive turbochargers have been studied for a variety of operating conditions systematically selected from the compressor and turbine charts. The paper discusses the experimental procedures including special techniques implemented to improve the quality of the data. Results from a number of experiments on various modern automotive turbochargers including a unit with variable turbine geometry (VTG) are presented. Copyright
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
Nyckelord
- Acoustic wave propagation
- Architectural acoustics
- Automobile engines
- Turbines
- Acoustic power
- Automotive turbochargers
- Experimental procedure
- Experimental test
- Higher frequencies
- Operating condition
- Sound generation
- Sound transmission
- Superchargers
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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