Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Simone Sparacino"'
Autor:
Simone Sparacino, Fabio Berni, Alessandro d’Adamo, Vesselin Krassimirov Krastev, Andrea Cavicchi, Lucio Postrioti
Publikováno v:
Energies, Vol 12, Iss 15, p 2890 (2019)
The scientific literature focusing on the numerical simulation of fuel sprays is rich in atomization and secondary break-up models. However, it is well known that the predictive capability of even the most diffused models is affected by the combinati
Externí odkaz:
https://doaj.org/article/0b2c4c7165244a91a29e613ad60eace0
Autor:
Simone Sparacino, Stefano Fontanesi, Massimo Borghi, Lucio Postrioti, Andrea Cavicchi, Fabio Berni, Matteo Riccardi
In Gasoline Direct Injection (GDI) engines, the secondary break-up plays a significant role in air–fuel mixing. In fact, spray granulometry affects evaporation rate, liquid penetration and plume morphology. Operating pressures and temperatures of b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86327462efbd8f4b0b5459beda9c8b29
http://hdl.handle.net/11391/1507015
http://hdl.handle.net/11391/1507015
Soot engine-out emissions are no longer a prerogative of Diesel engines. Emission regulations related to Gasoline units aim to curb the soot emissions along with other pollutants. In this scenario, Computational Fluid Dynamics (CFD) is a very promisi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd717e753687fa89538a79f61e4967eb
https://hdl.handle.net/11380/1239019
https://hdl.handle.net/11380/1239019
Autor:
Stefano Fontanesi, Simone Sparacino, Valentina Pessina, Marco Del Pecchia, Silvana Di Iorio, Adrian Irimescu, Sebastiano Breda
Publikováno v:
SAE technical paper series (2020). doi:10.4271/2020-01-0239
info:cnr-pdr/source/autori:Del Pecchia M.; Sparacino S.; Pessina V.; Fontanesi S.; Breda S.; Irimescu A.; Di Iorio S./titolo:Development of a Sectional Soot Model Based Methodology for the Prediction of Soot Engine-Out Emissions in GDI Units/doi:10.4271%2F2020-01-0239/rivista:SAE technical paper series/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume
info:cnr-pdr/source/autori:Del Pecchia M.; Sparacino S.; Pessina V.; Fontanesi S.; Breda S.; Irimescu A.; Di Iorio S./titolo:Development of a Sectional Soot Model Based Methodology for the Prediction of Soot Engine-Out Emissions in GDI Units/doi:10.4271%2F2020-01-0239/rivista:SAE technical paper series/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume
With the aim of identifying technical solutions to lower the particulate matter emissions, the engine research community made a consistent effort to investigate the root causes leading to soot formation. Nowadays, the computational power increase all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65016ab97b4f47ce93cac035b4197855
Publikováno v:
E3S Web of Conferences, Vol 197, p 06012 (2020)
The statistical tendency of a GDI spark-ignition engine to undergo knocking combustion as a consequence of spark timing variation is numerically investigated. In particular, attention is focused on the importance to match combustion-relevant and knoc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::556da0b9e8b6d2f413a0ef2e3ed31972
https://hdl.handle.net/11380/1254241
https://hdl.handle.net/11380/1254241
Publikováno v:
E3S Web of Conferences, Vol 197, p 06002 (2020)
In the optimization of GDI engines, fuel injection plays a crucial role since it can affect the combustion process and, thus, fuel efficiency and pollutant emissions. The challenging task is to obtain the required fuel distribution and atomization in
Publikováno v:
SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019.
Fuel injectors featuring differentiated hole-to-hole dimensions improve the fuel distribution in the cylinder ensuring a more efficient and cleaner combustion for GDI (Gasoline Direct Injection) engines. A proper diagnostic system able to detect the
Publikováno v:
SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019.
Heat Transfer plays a fundamental role in internal combustion engines, as able to affect several aspects, such as efficiency, emissions and reliability. As for this last, a proper heat transfer prediction is mandatory for the estimation of the engine
Publikováno v:
SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019.
Findings from the International Agency for Research on Cancer (IARC) classified particulate matter (PM) as carcinogenic to humans. While being a promising solution to reduce greenhouse gases (GHG) emissions and increase engine fuel economy, Gasoline
Publikováno v:
SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019.
The scientific literature focusing on the numerical simulation of fuel sprays is plenty of atomization and secondary break-up models, all aiming at simulating GDI sprays under possibly any engine condition in terms of injection pressure and cylinder