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Experimental investigation of upstream installation effects on the turbocharger compressor map
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.). KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0002-4937-8915
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.). KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0001-7330-6965
2016 (English)In: The 12th International Conference on Turbochargers and Turbocharging, London, UK, 17-18 May, 2016, 2016Conference paper (Refereed)
Abstract [en]

This paper experimentally investigates the effects of an upstream bended pipe on the compressor speedline slopes and surge line. Different orientation angles for the incoming bended pipe relative to the compressor scroll are investigated. The tests were carried out on a cold gas stand on a passenger car sized turbocharger. A bended pipe upstream of the compressor leads to an increase of the surge margin. This effect does not depend on the orientation of the bend. Comparisons with a straight inlet with artificially generated pressure losses indicate that the increase in operating range is an effect of the pressure losses generated in the bend.

Place, publisher, year, edition, pages
2016.
Keyword [en]
Turbochargers, Centrifugal Compressors, Compressor Surge
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-191296ISBN: 978-0-9572374-7-6OAI: oai:DiVA.org:kth-191296DiVA: diva2:955877
Conference
The 12th International Conference on Turbochargers and Turbocharging, London, UK, 17-18 May, 2016
Note

QC 20160829

Available from: 2016-08-26 Created: 2016-08-26 Last updated: 2016-09-12Bibliographically approved

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fulltext(428 kB)9 downloads
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Kerres, BertrandCronhjort, AndreasMihaescu, Mihai
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Machine Design (Dept.)Competence Center for Gas Exchange (CCGEx)Mechanics
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