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Cylinder pressure r...
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Johnsson, Roger
(författare)
Cylinder pressure reconstruction from vibration and speed measurements on IC engines
- Artikel/kapitelEngelska2004
Förlag, utgivningsår, omfång ...
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Heverlee :Katholieke Univ. Leuven,2004
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:ltu-32103
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-32103URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
Anmärkningar
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Godkänd; 2004; 20061009 (biem)
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Knowledge of the in-cylinder pressure pulse in IC engines is of main importance in order to fulfill the requirements on low fuel consumption, exhaust emissions and noise. Direct measurements of the in-cylinder pressure are not suitable outside the laboratory environment due to a number of drawbacks. In this paper a combined indirect method for the measurement of the cylinder pressure pulse is developed and verified. The method is based on linear transfer functions between cylinder pressure and engine vibration and crankshaft speed, respectively. The combined method shows better results than achieved by either method separately. The low frequency part of the pressure pulse is reconstructed from crankshaft speed measurements while the high frequency part is reconstructed from vibration measurements. However, there is still a frequency region between the methods where neither method gives a reliable prediction.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Ågren, AndersLuleå tekniska universitet,Drift, underhåll och akustik(Swepub:ltu)anag
(författare)
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Luleå tekniska universitetDrift, underhåll och akustik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Noise and vibration engineeringHeverlee : Katholieke Univ. Leuven, s. 965-9749073802822
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