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Analyse Dun Systeme Dinjection Directe Diesel De Type Common Rail
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Book Synopsis ANALYSE D'UN SYSTEME D'INJECTION DIRECTE DIESEL DE TYPE COMMON RAIL by : ANNE-GAEL.. FAVENNEC
Download or read book ANALYSE D'UN SYSTEME D'INJECTION DIRECTE DIESEL DE TYPE COMMON RAIL written by ANNE-GAEL.. FAVENNEC and published by . This book was released on 1999 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: LE RESPECT DES VALEURS LIMITES DE PLUS EN PLUS SEVERES DES EMISSIONS DE POLLUANTS ET UNE NETTE DIMINUTION DE LA CONSOMMATION NECESSITE UNE EVOLUTION DES SYSTEMES D'INJECTION ET DE LEURS REGLAGES. CECI NE PEUT SE FAIRE SANS INTERACTIONS FORTES ENTRE LES DIFFERENTES DISCIPLINES TECHNIQUES. LEUR ORDONNENCEMENT S'APPUIT AUJOURD'HUI SUR L'OUTIL INFORMATIQUE ET LA SIMULATION. MAIS L'INTEGRATION DE CETTE SIMULATION DANS LE PROCESSUS DE CONCEPTION NE PEUT ETRE REUSSIE SANS LE DEVELOPPEMENT DE METHODOLOGIES DE MODELISATION ET DE SIMULATION, VISANT A AMELIORER LA COMPREHENSION DU COMPORTEMENT DES SYSTEMES POUR LES AUTEURS DU MODELE ET LES DIFFERENTS ACTEURS DANS LE PROCESSUS DE CONCEPTION. UNE STRATEGIE DE MODELISATION, BASEE SUR UNE LIBRAIRIE DE D'ELEMENTS DE BASE DONT LES COMBINAISONS PERMETTENT DE RECONSTRUIRE LA PLUPART DES SITUATIONS A AFFRONTER DANS LE DOMAINE DE L'INJECTION DIRECTE DIESEL COMMON RAIL, A DONC ETE UTILISEE. DES MODELES DE COMPLEXITE CROISSANTE PERMETTANT DE REPONDRE A DIFFERENTS TYPES DE QUESTIONS SONT PROPOSES. ILS PERMETTENT DE CHOISIR LES NIVEAUX D'HYPOTHESES JUSTE SUFFISANTS POUR COMPRENDRE ET REPRODUIRE LE COMPORTEMENT DYNAMIQUE D'UN SYSTEME D'INJECTION. CETTE BIBLIOTHEQUE DE COMPOSANTS ELEMENTAIRES EST ENRICHIE AU NIVEAU DE L'INJECTION DIRECTE. EN EFFET UNE ETUDE EXPERIMENTALE SUR LE PHENOMENE DE CAVITATION APPARAISSANT DANS LES ORIFICES D'INJECTION A PERMIS DE DEVELOPPER UN MODELE DU NEZ D'INJECTEUR PRENANT EN COMPTE CETTE CAVITATION.
Book Synopsis Common Rail Fuel Injection Technology in Diesel Engines by : Guangyao Ouyang
Download or read book Common Rail Fuel Injection Technology in Diesel Engines written by Guangyao Ouyang and published by John Wiley & Sons. This book was released on 2019-06-18 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wide-ranging and practical handbook that offers comprehensive treatment of high-pressure common rail technology for students and professionals In this volume, Dr. Ouyang and his colleagues answer the need for a comprehensive examination of high-pressure common rail systems for electronic fuel injection technology, a crucial element in the optimization of diesel engine efficiency and emissions. The text begins with an overview of common rail systems today, including a look back at their progress since the 1970s and an examination of recent advances in the field. It then provides a thorough grounding in the design and assembly of common rail systems with an emphasis on key aspects of their design and assembly as well as notable technological innovations. This includes discussion of advancements in dual pressure common rail systems and the increasingly influential role of Electronic Control Unit (ECU) technology in fuel injector systems. The authors conclude with a look towards the development of a new type of common rail system. Throughout the volume, concepts are illustrated using extensive research, experimental studies and simulations. Topics covered include: Comprehensive detailing of common rail system elements, elementary enough for newcomers and thorough enough to act as a useful reference for professionals Basic and simulation models of common rail systems, including extensive instruction on performing simulations and analyzing key performance parameters Examination of the design and testing of next-generation twin common rail systems, including applications for marine diesel engines Discussion of current trends in industry research as well as areas requiring further study Common Rail Fuel Injection Technology is the ideal handbook for students and professionals working in advanced automotive engineering, particularly researchers and engineers focused on the design of internal combustion engines and advanced fuel injection technology. Wide-ranging research and ample examples of practical applications will make this a valuable resource both in education and private industry.
Book Synopsis La Modélisation multidimensionnelle des écoulements dans les moteurs by : Thierry Baritaud
Download or read book La Modélisation multidimensionnelle des écoulements dans les moteurs written by Thierry Baritaud and published by Editions TECHNIP. This book was released on 1999 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: With an increasingly challenging commercial environment, and the need imposed by safety principles to reduce both fuel consumption and pollutant emissions, the development of new engines can now benefit from the advances of computational fluid dynamics. Engine CFD is a most challenging simulation problem. This is caused by the spread of time and space scales, the excursion amplitude of most parameters, the high quasi-cyclic unstationarity of engine flows, the importance of minor geometry details, the number of physical and chemical processes including turbulent combustion and multi-phase flows to model. However, engine CFD has now reached a state where it has become a widely used tool, not only for engine understanding, but also increasingly for engine design. Undoubtedly, laser diagnostics in optical access engines have also brought significant help.Contents: 1. State of the art of multi-dimensional modeling of engine reacting flows. 2. Simulation of the intake and compression strokes of a motored 4-valve SI engine with a finite element code. 3. A parallel, unstructured-mesh methodology for device-scale combustion calculations. 4. Large-eddy simulation of in-cylinder flows. 5. Simulation of engine internal flows using digital physics. 6. Automatic block decomposition of parametrically changing volumes. 7. Developments in spray modeling in diesel and direct-injection gasoline engines. 8. Cyto-fluid dynamic theory of atomization processes. 9. Influence of the wall temperature on the mixture preparation in DI gasoline engines. 10. Simulation of cavitating flows in diesel injectors. 11. Recent developments in simulations of internal flows in high pressure swirl injectors. 12. 3D simulation of DI diesel combustion and pollutant formation using a two-component reference fuel. 13. Modeling of NOx and soot formation in diesel combustion. 14. Multi-dimensional modeling of combustion and pollutants formation of new technology light duty diesel engines. 15. 3D modeling of combustion for DI-SI engines. 16. Combustion modeling with the G-equation. 17. Multi-dimensional modeling of the aerodynamic and combustion in diesel engines. 18. CFD aided development of a SI-DI engine. 19. CFD engine applications at FIAT research centre. 20. Application of a detailed emission model for heavy duty diesel engine simulations. 21. CFD based shape optimization of IC engine.
Book Synopsis Common Rail Accumulator-type Diesel Fuel-injection System by :
Download or read book Common Rail Accumulator-type Diesel Fuel-injection System written by and published by . This book was released on 2001 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modélisation et commande avancées d'un moteur diésel à injection directe by : Pierre Dupraz
Download or read book Modélisation et commande avancées d'un moteur diésel à injection directe written by Pierre Dupraz and published by . This book was released on 1998 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE ABORDE LE PROBLEME GENERAL DE LA MODELISATION ET DE LA COMMANDE EN COUPLE D'UN MOTEUR DIESEL A INJECTION DIRECTE EQUIPE D'UN SYSTEME D'INJECTION DE TYPE COMMON RAIL. LE COUPLE FOURNI PAR LE MOTEUR N'ETANT PAS MESURE SUR UN VEHICULE DE SERIE, ON CHERCHE A L'ESTIMER A PARTIR DE LA VITESSE DE ROTATION INSTANTANEE, SANS CONNAITRE LE COUPLE RESISTANT. AU PREALABLE, UN TRAVAIL DE MODELISATION EST DONC NECESSAIRE. EN EFFET, LE SYSTEME D'INJECTION COMMON RAIL EST RELATIVEMENT RECENT ET OFFRE DE NOUVEAUX MODES DE FONCTIONNEMENT, COMME LA PRE-INJECTION OU LA POST-INJECTION. OR LES MODELES DE MOTEUR POUR LA COMMANDE DISPONIBLES DANS LA LITTERATURE NE SAVENT PAS DECRIRE CES TYPES DE FONCTIONNEMENT, NOTAMMENT LE DEGAGEMENT DE CHALEUR. ENSUITE, UNE STRATEGIE DE COMMANDE EST MISE AU POINT, QUI MESURE ET CORRIGE LES DIFFERENCES DE COUPLE CYLINDRE A CYLINDRE. LA CONSEQUENCE EST UNE REDUCTION DES VIBRATIONS DU MOTEUR. FINALEMENT, L'ESTIMATION DU COUPLE LUI-MEME EST ABORDEE. UN MODELE PARAMETRIQUE EST CONSTRUIT, ET PERMET DE FORMALISER UN CERTAIN NOMBRE DE CONNAISSANCES EMPIRIQUES ET D'OBTENIR UN PREMIER ESTIMATEUR. ON MONTRE QUE SA PRECISION EST RELATIVEMENT SENSIBLE AUX ERREURS DE MODELISATION ET AU BRUIT DE MESURE, CE QUI EN LIMITE L'APPLICABILITE A CE JOUR. DES VOIES D'AMELIORATIONS POSSIBLES SONT PROPOSEES, SOUS LA FORME D'UN CERTAIN NOMBRE D'AXES DE RECHERCHE FUTURS.
Book Synopsis Common Rail System for GDI Engines by : Giovanni Fiengo
Download or read book Common Rail System for GDI Engines written by Giovanni Fiengo and published by Springer. This book was released on 2012-11-02 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progressive reductions in vehicle emission requirements have forced the automotive industry to invest in research and development of alternative control strategies. Continual control action exerted by a dedicated electronic control unit ensures that best performance in terms of pollutant emissions and power density is married with driveability and diagnostics. Gasoline direct injection (GDI) engine technology is a way to attain these goals. This brief describes the functioning of a GDI engine equipped with a common rail (CR) system, and the devices necessary to run test-bench experiments in detail. The text should prove instructive to researchers in engine control and students are recommended to this brief as their first approach to this technology. Later chapters of the brief relate an innovative strategy designed to assist with the engine management system; injection pressure regulation for fuel pressure stabilization in the CR fuel line is proposed and validated by experiment. The resulting control scheme is composed of a feedback integral action and a static model-based feed-forward action, the gains of which are scheduled as a function of fundamental plant parameters. The tuning of closed-loop performance is supported by an analysis of the phase-margin and the sensitivity function. Experimental results confirm the effectiveness of the control algorithm in regulating the mean-value rail pressure independently from engine working conditions (engine speed and time of injection) with limited design effort.
Book Synopsis Oil & Gas Science and Technology by :
Download or read book Oil & Gas Science and Technology written by and published by . This book was released on 1999 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Power and Diesel Transportation by :
Download or read book Diesel Power and Diesel Transportation written by and published by . This book was released on 1950 with total page 1154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Commande multivariable de la pression d'injection dans un moteur diesel Common Rail by : Christophe Gauthier
Download or read book Commande multivariable de la pression d'injection dans un moteur diesel Common Rail written by Christophe Gauthier and published by . This book was released on 2007 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les normes sur les émissions de polluants des automobiles sont de plus en plus sévères. Les moteurs à injection directe à rampe commune permettent d'atteindre ces exigences notamment grâce à l'injection du carburant à très haute pression. Cette pression varie de 200 à 1600 bar selon le point de fonctionnement du véhicule. L'objectif des travaux de thèse est de réaliser le contrôle de la pression du carburant avec deux contraintes principales : proposer une méthodologie de calibration du contrôleur à partir des caractéristiques techniques du système d'injection et améliorer à la fois la performance et la robustesse du contrôle. Les travaux réalisés se décomposent comme suit : étude du système d'injection et développement d'un modèle de connaissance ; développement des stratégies et des lois de commande ; mise en application sur véhicule. Les essais réalisés sur véhicule ont montré une amélioration des performances et de la robustesse du contrôle de la pression du carburant obtenue par la proposition d'une nouvelle méthodologie de calibration. Celle-ci est basée par l'obtention du contrôleur à partir des caractéristiques techniques du système d'injection et par l'utilisation de lois de commande avancées (commande H8 pour les systèmes Linéaires à Paramètres Variants (LPV)). En particulier l'approche basée sur l'utilisation des Transformations Linéaires Fractionnelles (LFT) a été considérée.
Book Synopsis Diesel Equipment Superintendent by :
Download or read book Diesel Equipment Superintendent written by and published by . This book was released on 1950 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Literature Abstracts by : Society of Automotive Engineers
Download or read book Technical Literature Abstracts written by Society of Automotive Engineers and published by . This book was released on 2000 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Diesel Power written by and published by . This book was released on 1930 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Combustion and Emissions by : Society of Automotive Engineers
Download or read book Diesel Combustion and Emissions written by Society of Automotive Engineers and published by . This book was released on 1981 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Journal written by and published by . This book was released on 1920 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vol. 7, no.7, July 1924, contains papers prepared by Canadian engineers for the first World power conference, July, 1924.
Book Synopsis The Journal of the Engineering Institute of Canada by : Engineering Institute of Canada
Download or read book The Journal of the Engineering Institute of Canada written by Engineering Institute of Canada and published by . This book was released on 1920 with total page 1514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanical Engineering by : American Society of Mechanical Engineers
Download or read book Mechanical Engineering written by American Society of Mechanical Engineers and published by . This book was released on 1922 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt: "History of the American society of mechanical engineers. Preliminary report of the committee on Society history," issued from time to time, beginning with v. 30, Feb. 1908.
