Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ugo Sorge"'
Autor:
Michela Costa, Francesco Catapano, Paolo Sementa, Bianca Maria Vaglieco, Simone Boccardi, Ugo Sorge
Publikováno v:
Advances in engineering software (1992) 95 (2016): 38–50.
info:cnr-pdr/source/autori:S.Boccardi, F.Catapano, M.Costa, P. Sementa, U.Sorge, B.M.Vaglieco/titolo:Optimization of a GDI engine operation in the absence of knocking through numerical 1D and 3D modeling/doi:/rivista:Advances in engineering software (1992)/anno:2016/pagina_da:38/pagina_a:50/intervallo_pagine:38–50/volume:95
info:cnr-pdr/source/autori:S.Boccardi, F.Catapano, M.Costa, P. Sementa, U.Sorge, B.M.Vaglieco/titolo:Optimization of a GDI engine operation in the absence of knocking through numerical 1D and 3D modeling/doi:/rivista:Advances in engineering software (1992)/anno:2016/pagina_da:38/pagina_a:50/intervallo_pagine:38–50/volume:95
Various solutions are being proposed and adopted by manufactures and researchers to improve the en- ergetic and environmental performance of internal combustion engines within the transportation sector. For automotive spark ignition engines, gasoline
Publikováno v:
Energy (Oxf.) (2014). doi:10.1016/j.energy.2014.04.114
info:cnr-pdr/source/autori:Costa M.; Marchitto L.; Merola S.S.; Sorge U./titolo:Study of mixture formation and early flame development in a research GDI (gasoline direct injection) engine through numerical simulation and UV-digital imaging/doi:10.1016%2Fj.energy.2014.04.114/rivista:Energy (Oxf.)/anno:2014/pagina_da:/pagina_a:/intervallo_pagine:/volume
info:cnr-pdr/source/autori:Costa M.; Marchitto L.; Merola S.S.; Sorge U./titolo:Study of mixture formation and early flame development in a research GDI (gasoline direct injection) engine through numerical simulation and UV-digital imaging/doi:10.1016%2Fj.energy.2014.04.114/rivista:Energy (Oxf.)/anno:2014/pagina_da:/pagina_a:/intervallo_pagine:/volume
The analysis of the mixture formation and early combustion processes in a slightly lean burn gasoline direct injection (GDI) engine is performed by using experimental and numerical techniques. UV–visible natural emission digital imaging is applied
Publikováno v:
Energy conversion and management 60 (2012): 77–86.
info:cnr-pdr/source/autori:Michela Costa, Ugo Sorge, Luigi Allocca/titolo:Increasing energy efficiency of a gasoline direct injection engine through optimal synchronization of single or double injection strategies/doi:/rivista:Energy conversion and management/anno:2012/pagina_da:77/pagina_a:86/intervallo_pagine:77–86/volume:60
info:cnr-pdr/source/autori:Michela Costa, Ugo Sorge, Luigi Allocca/titolo:Increasing energy efficiency of a gasoline direct injection engine through optimal synchronization of single or double injection strategies/doi:/rivista:Energy conversion and management/anno:2012/pagina_da:77/pagina_a:86/intervallo_pagine:77–86/volume:60
The greatest fuel efficiency advantages of gasoline direct injection (GDI) engines are achieved under the so-called mixed mode boosting, where mixture characteristics are properly adapted to the specific working condition. In particular, in the mediu
Publikováno v:
Advances in engineering software (1992) 49 (2012): 43–53. doi:10.1016/j.advengsoft.2012.03.004
info:cnr-pdr/source/autori:Michela Costa, Ugo Sorge, Luigi Allocca/titolo:CFD optimization for GDI spray model tuning and enhancement of engine performance/doi:10.1016%2Fj.advengsoft.2012.03.004/rivista:Advances in engineering software (1992)/anno:2012/pagina_da:43/pagina_a:53/intervallo_pagine:43–53/volume:49
info:cnr-pdr/source/autori:Michela Costa, Ugo Sorge, Luigi Allocca/titolo:CFD optimization for GDI spray model tuning and enhancement of engine performance/doi:10.1016%2Fj.advengsoft.2012.03.004/rivista:Advances in engineering software (1992)/anno:2012/pagina_da:43/pagina_a:53/intervallo_pagine:43–53/volume:49
Coupling a 3D Computational Fluid Dynamics (CFD) tool with a rigorous method of decision making is becoming indispensable in the design process of complex systems, as internal combustion engines. CFD based optimization (CFD-O) is here carried out on
Autor:
Adrian Irimescu, M. La Villetta, Simona Silvia Merola, Ugo Sorge, Vittorio Rocco, Michela Costa
Publikováno v:
Energy (Oxf.) 117 (2016): 405–415. doi:10.1016/j.energy.2016.03.065
info:cnr-pdr/source/autori:Costa M.; Sorge U.; Merola S.; Irimescu A.; La Villetta M.; Rocco V./titolo:Split injection in a homogeneous stratified gasoline direct injection engine for high combustion efficiency and low pollutants emission/doi:10.1016%2Fj.energy.2016.03.065/rivista:Energy (Oxf.)/anno:2016/pagina_da:405/pagina_a:415/intervallo_pagine:405–415/volume:117
info:cnr-pdr/source/autori:Costa M.; Sorge U.; Merola S.; Irimescu A.; La Villetta M.; Rocco V./titolo:Split injection in a homogeneous stratified gasoline direct injection engine for high combustion efficiency and low pollutants emission/doi:10.1016%2Fj.energy.2016.03.065/rivista:Energy (Oxf.)/anno:2016/pagina_da:405/pagina_a:415/intervallo_pagine:405–415/volume:117
The effects of splitting the injection event in a GDI (gasoline direct injection) engine operating with a HOS (homogeneous stratified) lean charge are analysed through experimental and numerical techniques. Injection is assumed as divided in two part
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::963abdbe06d38c1d7a847fb12bf0ae20
An experimental and numerical investigation of GDI spray impact over walls at different temperatures
Autor:
Francesco Catapano, Michela Costa, Ugo Sorge, Bianca Maria Vaglieco, Guido Marseglia, Paolo Sementa
Publikováno v:
SAE technical paper series (2016). doi:10.4271/2016-01-0853.
info:cnr-pdr/source/autori:F.Catapano, M.Costa, G.Marseglia, P.Sementa, U.Sorge, B.M.Vaglieco/titolo:An experimental and numerical investigation of GDI spray impact over walls at different temperatures/doi:10.4271%2F2016-01-0853./rivista:SAE technical paper series/anno:2016/pagina_da:/pagina_a:/intervallo_pagine:/volume
info:cnr-pdr/source/autori:F.Catapano, M.Costa, G.Marseglia, P.Sementa, U.Sorge, B.M.Vaglieco/titolo:An experimental and numerical investigation of GDI spray impact over walls at different temperatures/doi:10.4271%2F2016-01-0853./rivista:SAE technical paper series/anno:2016/pagina_da:/pagina_a:/intervallo_pagine:/volume
Internal combustion engines performance greatly depends on the air-fuel mixture formation and combustion processes. In gasoline direct injection (GDI) engines, in particular, the impact of the liquid spray on the piston or cylinder walls is a key fac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a84972d1c096a0dbc6e18001811fdb4
Publikováno v:
International journal of multiphase flow 84 (2016): 204–216. doi:10.1016/j.ijmultiphaseflow.2016.05.007
info:cnr-pdr/source/autori:Montanaro A.; Allocca L.; Costa M.; Sorge U./titolo:Assessment of a 3D CFD model for GDI spray impact against wall through experiments based on different optical techniques/doi:10.1016%2Fj.ijmultiphaseflow.2016.05.007/rivista:International journal of multiphase flow/anno:2016/pagina_da:204/pagina_a:216/intervallo_pagine:204–216/volume:84
info:cnr-pdr/source/autori:Montanaro A.; Allocca L.; Costa M.; Sorge U./titolo:Assessment of a 3D CFD model for GDI spray impact against wall through experiments based on different optical techniques/doi:10.1016%2Fj.ijmultiphaseflow.2016.05.007/rivista:International journal of multiphase flow/anno:2016/pagina_da:204/pagina_a:216/intervallo_pagine:204–216/volume:84
Performance of internal combustion engines is well known being greatly affected by the air-fuel mixture formation process. In spark ignition engines, in particular, the gasoline direct injection (GDI) technology is currently preferred, as it allows o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f028d2ce5e21b28905672cb7457fed2
http://www.scopus.com/inward/record.url?eid=2-s2.0-84966709722&partnerID=q2rCbXpz
http://www.scopus.com/inward/record.url?eid=2-s2.0-84966709722&partnerID=q2rCbXpz
Publikováno v:
Applied energy 180 (2016): 86–103. doi:10.1016/j.apenergy.2016.07.089
info:cnr-pdr/source/autori:Costa M.; Catapano F.; Sementa P.; Sorge U.; Vaglieco B.M./titolo:Mixture preparation and combustion in a GDI engine under stoichiometric or lean charge: an experimental and numerical study on an optically accessible engine/doi:10.1016%2Fj.apenergy.2016.07.089/rivista:Applied energy/anno:2016/pagina_da:86/pagina_a:103/intervallo_pagine:86–103/volume:180
info:cnr-pdr/source/autori:Costa M.; Catapano F.; Sementa P.; Sorge U.; Vaglieco B.M./titolo:Mixture preparation and combustion in a GDI engine under stoichiometric or lean charge: an experimental and numerical study on an optically accessible engine/doi:10.1016%2Fj.apenergy.2016.07.089/rivista:Applied energy/anno:2016/pagina_da:86/pagina_a:103/intervallo_pagine:86–103/volume:180
In direct injection spark ignition (SI) engines, the spray dynamics and interaction with the surrounding air flow are recognised as strongly affecting mixture quality, combustion development and amount of pollutants released at the exhaust. Spray imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d30380d5f1bc070ddbb3d5ff9d57ce3
http://www.scopus.com/inward/record.url?eid=2-s2.0-84979763382&partnerID=q2rCbXpz
http://www.scopus.com/inward/record.url?eid=2-s2.0-84979763382&partnerID=q2rCbXpz
Autor:
Simona Silvia Merola, Adrian Irimescu, Ugo Sorge, Daniele Piazzullo, Vittorio Rocco, Michela Costa
Publikováno v:
SAE technical paper series (2015). doi:10.4271/2015-24-2405
info:cnr-pdr/source/autori:M.Costa, D.Piazzullo, U.Sorge, S.S.Merola, A.Irimescu, V.Rocco/titolo:Image processing for early flame characterization and initialization of flamelet models of combustion in a GDI engine/doi:10.4271%2F2015-24-2405/rivista:SAE technical paper series/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume
info:cnr-pdr/source/autori:M.Costa, D.Piazzullo, U.Sorge, S.S.Merola, A.Irimescu, V.Rocco/titolo:Image processing for early flame characterization and initialization of flamelet models of combustion in a GDI engine/doi:10.4271%2F2015-24-2405/rivista:SAE technical paper series/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume
Ignition and flame inception are well recognised as affecting performance and stable operation of spark ignition engines. The very early stage of combustion is indeed the main source of cycle-to-cycle variability, in particular in gasoline direct inj
Autor:
Guido Marseglia, Paolo Sementa, Ugo Sorge, Francesco Catapano, Michela Costa, Bianca Maria Vaglieco
Publikováno v:
SAE technical paper series (2015). doi:10.4271/2015-24-2413
info:cnr-pdr/source/autori:M.Costa, F.Catapano, G.Marseglia, U.Sorge, P.Sementa, B.M.Vaglieco/titolo:Experimental and numerical investigation of the effect of split injections on the performance of a GDI engine under lean operation/doi:10.4271%2F2015-24-2413/rivista:SAE technical paper series/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume
info:cnr-pdr/source/autori:M.Costa, F.Catapano, G.Marseglia, U.Sorge, P.Sementa, B.M.Vaglieco/titolo:Experimental and numerical investigation of the effect of split injections on the performance of a GDI engine under lean operation/doi:10.4271%2F2015-24-2413/rivista:SAE technical paper series/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume
Gasoline direct injection (GDI) allows flexible operation of spark ignition engines for reduced fuel consumption and low pollutants emissions. The choice of the best combination of the different parameters that affect the energy conversion process an