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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04561naa a2200517 4500 | |
| 001 | oai:research.chalmers.se:930ec8cb-dcc6-4109-903e-44d6835e3258 | |
| 003 | SwePub | |
| 008 | 171006s2013 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://doi.org/10.4271/2013-24-00202 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/2164242 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Mattarelli, E.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 245 | 1 0 | a Combustion optimization of a marine di diesel engine |
| 264 | c 2013-09-08 | |
| 264 | 1 | a 400 Commonwealth Drive, Warrendale, PA, United States :b SAE International,c 2013 |
| 520 | a Enhanced calibration strategies and innovative engine combustion technologies are required to meet the new limits on exhaust gas emissions enforced in the field of marine propulsion and on-board energy production. The goal of the paper is to optimize the control parameters of a 4.2 dm3 unit displacement marine DI Diesel engine, in order to enhance the efficiency of the combustion system and reduce engine out emissions. The investigation is carried out by means of experimental tests and CFD simulations. For a better control of the testing conditions, the experimental activity is performed on a single cylinder prototype, while the engine test bench is specifically designed to simulate different levels of boosting. The numerical investigations are carried out using a set of different CFD tools: GT-Power for the engine cycle analysis, STAR-CD for the study of the in-cylinder flow, and a customized version of the KIVA-3V code for combustion. All the models are calibrated through the above mentioned experimental campaign. Then, CFD simulations are applied to optimize the injection parameters and to explore the potential of the Miller combustion concept. It is found that the reduction of the charge temperature, ensuing the adoption of an early intake valve closing strategy, strongly affects combustion. With a proper valve actuation strategy, an increase of boost pressure and an optimized injection advance, a 40% reduction of NOx emissions can be obtained, along with a significant reduction of in-cylinder peak pressure, without penalizing fuel efficiency. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Energiteknik0 (SwePub)203042 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Energy Engineering0 (SwePub)203042 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Farkostteknik0 (SwePub)203032 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Vehicle Engineering0 (SwePub)203032 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Reglerteknik0 (SwePub)202022 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Control Engineering0 (SwePub)202022 hsv//eng |
| 653 | a Combustion technology | |
| 653 | a Injection parameters | |
| 653 | a Combustion optimization | |
| 653 | a Experimental activities | |
| 653 | a Ship Propulsion | |
| 653 | a Engine-out emissions | |
| 653 | a Intake valve closings | |
| 653 | a Experimental campaign | |
| 653 | a Numerical investigations | |
| 700 | 1 | a Fontanesi, S.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 700 | 1 | a Rinaldini, C.A.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 700 | 1 | a Valentino, G.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 700 | 1 | a Iannuzzi, S.E.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 700 | 1 | a Severi, E.u Universita Degli Studi Di Modena E Reggio Emilia,University of Modena and Reggio Emilia4 aut |
| 700 | 1 | a Golovitchev, Valeri,d 1945u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)valeri |
| 710 | 2 | a Universita Degli Studi Di Modena E Reggio Emiliab Chalmers tekniska högskola4 org |
| 773 | 0 | t SAE Technical Papersd 400 Commonwealth Drive, Warrendale, PA, United States : SAE Internationalg 6q 6x 0148-7191x 2688-3627 |
| 856 | 4 | u http://dx.doi.org/10.4271/2013-24-0020y FULLTEXT |
| 856 | 4 8 | u https://doi.org/10.4271/2013-24-0020 |
| 856 | 4 8 | u https://research.chalmers.se/publication/216424 |
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