Effects of thermal barrier coating porosity on combustion and heat losses in a light duty diesel engine
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| Title: | Effects of thermal barrier coating porosity on combustion and heat losses in a light duty diesel engine |
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| Authors: | Somhorst, Joop, 1965, Oevermann, Michael, 1967 |
| Source: | International Journal of Engine Research. 25(5):940-958 |
| Subject Terms: | sealing, heat transfer, insulation, combustion engine, crevice effect, Thermal barrier coating, porosity, fuel entrainment |
| Description: | Plasma sprayed thermal barrier coatings (TBCs), applied in internal combustion engines, can have a profound impact on the apparent rate of heat release. Upon fuel jet contact with the piston wall, the heat loss seems to increase compared to an uncoated piston and combustion appears delayed. Permeable porosity of plasma sprayed TBCs is identified as one of the possible causes for this unwanted effect. In this article the impact of open porosity and sealing of the TBC surface are investigated with single cylinder engine experiments and with simulations. Based on the results, a mechanism is presented to explain the observations. |
| File Description: | electronic |
| Access URL: | https://research.chalmers.se/publication/539481 https://research.chalmers.se/publication/539481/file/539481_Fulltext.pdf |
| Database: | SwePub |
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| Items | – Name: Title Label: Title Group: Ti Data: Effects of thermal barrier coating porosity on combustion and heat losses in a light duty diesel engine – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Somhorst%2C+Joop%22">Somhorst, Joop</searchLink>, 1965<br /><searchLink fieldCode="AR" term="%22Oevermann%2C+Michael%22">Oevermann, Michael</searchLink>, 1967 – Name: TitleSource Label: Source Group: Src Data: <i>International Journal of Engine Research</i>. 25(5):940-958 – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22sealing%22">sealing</searchLink><br /><searchLink fieldCode="DE" term="%22heat+transfer%22">heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22insulation%22">insulation</searchLink><br /><searchLink fieldCode="DE" term="%22combustion+engine%22">combustion engine</searchLink><br /><searchLink fieldCode="DE" term="%22crevice+effect%22">crevice effect</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+barrier+coating%22">Thermal barrier coating</searchLink><br /><searchLink fieldCode="DE" term="%22porosity%22">porosity</searchLink><br /><searchLink fieldCode="DE" term="%22fuel+entrainment%22">fuel entrainment</searchLink> – Name: Abstract Label: Description Group: Ab Data: Plasma sprayed thermal barrier coatings (TBCs), applied in internal combustion engines, can have a profound impact on the apparent rate of heat release. Upon fuel jet contact with the piston wall, the heat loss seems to increase compared to an uncoated piston and combustion appears delayed. Permeable porosity of plasma sprayed TBCs is identified as one of the possible causes for this unwanted effect. In this article the impact of open porosity and sealing of the TBC surface are investigated with single cylinder engine experiments and with simulations. Based on the results, a mechanism is presented to explain the observations. – Name: Format Label: File Description Group: SrcInfo Data: electronic – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/539481" linkWindow="_blank">https://research.chalmers.se/publication/539481</link><br /><link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/539481/file/539481_Fulltext.pdf" linkWindow="_blank">https://research.chalmers.se/publication/539481/file/539481_Fulltext.pdf</link> |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1177/14680874231215526 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 940 Subjects: – SubjectFull: sealing Type: general – SubjectFull: heat transfer Type: general – SubjectFull: insulation Type: general – SubjectFull: combustion engine Type: general – SubjectFull: crevice effect Type: general – SubjectFull: Thermal barrier coating Type: general – SubjectFull: porosity Type: general – SubjectFull: fuel entrainment Type: general Titles: – TitleFull: Effects of thermal barrier coating porosity on combustion and heat losses in a light duty diesel engine Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Somhorst, Joop – PersonEntity: Name: NameFull: Oevermann, Michael IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 14680874 – Type: issn-print Value: 20413149 – Type: issn-locals Value: SWEPUB_FREE – Type: issn-locals Value: CTH_SWEPUB Numbering: – Type: volume Value: 25 – Type: issue Value: 5 Titles: – TitleFull: International Journal of Engine Research Type: main |
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