computational optimization of internal combustion engines

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Computational Optimization Of Internal Combustion Engines

Author : Yu Shi
ISBN : 0857296191
Genre : Technology & Engineering
File Size : 35. 19 MB
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Computational Optimization of Internal Combustion Engines presents the state of the art of computational models and optimization methods for internal combustion engine development using multi-dimensional computational fluid dynamics (CFD) tools and genetic algorithms. Strategies to reduce computational cost and mesh dependency are discussed, as well as regression analysis methods. Several case studies are presented in a section devoted to applications, including assessments of: spark-ignition engines, dual-fuel engines, heavy duty and light duty diesel engines. Through regression analysis, optimization results are used to explain complex interactions between engine design parameters, such as nozzle design, injection timing, swirl, exhaust gas recirculation, bore size, and piston bowl shape. Computational Optimization of Internal Combustion Engines demonstrates that the current multi-dimensional CFD tools are mature enough for practical development of internal combustion engines. It is written for researchers and designers in mechanical engineering and the automotive industry.

Computational Optimization Of Internal Combustion Engines

Author : Bobby Watson
ISBN : 1987628993
Genre :
File Size : 81. 97 MB
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Computational Optimization of Internal Combustion Engines demonstrates that the current multi-dimensional CFD tools are mature enough for practical development of internal combustion engines. It is written for researchers and designers in mechanical engineering and the automotive industry.Through regression analysis, optimization results are used to explain complex interactions between engine design parameters, such as nozzle design, injection timing, swirl, exhaust gas recirculation, bore size, and piston bowl shape.

Combustion Engines Development

Author : Günter P. Merker
ISBN : 3642140947
Genre : Technology & Engineering
File Size : 49. 20 MB
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Combustion Engines Development nowadays is based on simulation, not only of the transient reaction of vehicles or of the complete driveshaft, but also of the highly unsteady processes in the carburation process and the combustion chamber of an engine. Different physical and chemical approaches are described to show the potentials and limits of the models used for simulation.

Engine Modeling And Control

Author : Rolf Isermann
ISBN : 9783642399343
Genre : Technology & Engineering
File Size : 27. 60 MB
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The increasing demands for internal combustion engines with regard to fuel consumption, emissions and driveability lead to more actuators, sensors and complex control functions. A systematic implementation of the electronic control systems requires mathematical models from basic design through simulation to calibration. The book treats physically-based as well as models based experimentally on test benches for gasoline (spark ignition) and diesel (compression ignition) engines and uses them for the design of the different control functions. The main topics are: - Development steps for engine control - Stationary and dynamic experimental modeling - Physical models of intake, combustion, mechanical system, turbocharger, exhaust, cooling, lubrication, drive train - Engine control structures, hardware, software, actuators, sensors, fuel supply, injection system, camshaft - Engine control methods, static and dynamic feedforward and feedback control, calibration and optimization, HiL, RCP, control software development - Control of gasoline engines, control of air/fuel, ignition, knock, idle, coolant, adaptive control functions - Control of diesel engines, combustion models, air flow and exhaust recirculation control, combustion-pressure-based control (HCCI), optimization of feedforward and feedback control, smoke limitation and emission control This book is an introduction to electronic engine management with many practical examples, measurements and research results. It is aimed at advanced students of electrical, mechanical, mechatronic and control engineering and at practicing engineers in the field of combustion engine and automotive engineering.

Vehicle Propulsion Systems

Author : Lino Guzzella
ISBN : 9783642359132
Genre : Technology & Engineering
File Size : 67. 66 MB
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This text provides an introduction to the mathematical modeling and subsequent optimization of vehicle propulsion systems and their supervisory control algorithms. Automobiles are responsible for a substantial part of the world's consumption of primary energy, mostly fossil liquid hydrocarbons and the reduction of the fuel consumption of these vehicles has become a top priority. Increasing concerns over fossil fuel consumption and the associated environmental impacts have motivated many groups in industry and academia to propose new propulsion systems and to explore new optimization methodologies. This third edition has been prepared to include many of these developments. In the third edition, exercises are included at the end of each chapter and the solutions are available on the web.

Thermo And Fluid Dynamic Processes In Diesel Engines 2

Author : James H. Whitelaw
ISBN : 9783662105023
Genre : Technology & Engineering
File Size : 47. 23 MB
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This is the second book edited with a selection of papers from the two-yearly THIESEL Conference on Thermo- and Fluid Dynamic Processes in Diesel Engines, organised by CMT-Mvtores Termicos of the Universidad Po/itecnica de Valencia, Spain. This volume includes versions of papers selected from those presented at the THIESEL 2002 Conference th held on lOth to 13 September 2002. We hope it will be the second volume of a long series reflecting the quality of the THIESEL Conference. This year, the papers are grouped in six main thematic areas: State of the Art and Prospective, Injection Systems and Spray Formation, Combustion and Emissions, Engine Modelling, Alternative Combustion Concepts and Experimental Techniques. The actual conference covered a wider scope of topics, including Air Management and Fuels for Diesel Engines and a couple of papers included reflect this variety. However, the selection of papers published here represents the most current preoccupations of Diesel engine designers, namely how to improve the combustion process using new injection strategies and alternative concepts such as the Homogeneous Charge Combustion Ignition.

Mixture Formation In Internal Combustion Engines

Author : Carsten Baumgarten
ISBN : 9783540308362
Genre : Technology & Engineering
File Size : 84. 48 MB
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A systematic control of mixture formation with modern high-pressure injection systems enables us to achieve considerable improvements of the combustion pr- ess in terms of reduced fuel consumption and engine-out raw emissions. However, because of the growing number of free parameters due to more flexible injection systems, variable valve trains, the application of different combustion concepts within different regions of the engine map, etc., the prediction of spray and m- ture formation becomes increasingly complex. For this reason, the optimization of the in-cylinder processes using 3D computational fluid dynamics (CFD) becomes increasingly important. In these CFD codes, the detailed modeling of spray and mixture formation is a prerequisite for the correct calculation of the subsequent processes like ignition, combustion and formation of emissions. Although such simulation tools can be viewed as standard tools today, the predictive quality of the sub-models is c- stantly enhanced by a more accurate and detailed modeling of the relevant pr- esses, and by the inclusion of new important mechanisms and effects that come along with the development of new injection systems and have not been cons- ered so far. In this book the most widely used mathematical models for the simulation of spray and mixture formation in 3D CFD calculations are described and discussed. In order to give the reader an introduction into the complex processes, the book starts with a description of the fundamental mechanisms and categories of fuel - jection, spray break-up, and mixture formation in internal combustion engines.

Internal Combustion Engine Bearings Lubrication In Hydrodynamic Bearings

Author : Dominique Bonneau
ISBN : 9781119008002
Genre : Mathematics
File Size : 23. 51 MB
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This Series provides the necessary elements to the development and validation of numerical prediction models for hydrodynamic bearings. This book with the specific case of internal combustion engine (ICE) journal bearing lubrication. Many examples, relating to various types of ICE, are presented.

Advances In Internal Combustion Engine Research

Author : Dhananjay Kumar Srivastava
ISBN : 9789811075759
Genre : Technology & Engineering
File Size : 64. 62 MB
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This book discusses all aspects of advanced engine technologies, and describes the role of alternative fuels and solution-based modeling studies in meeting the increasingly higher standards of the automotive industry. By promoting research into more efficient and environment-friendly combustion technologies, it helps enable researchers to develop higher-power engines with lower fuel consumption, emissions, and noise levels. Over the course of 12 chapters, it covers research in areas such as homogeneous charge compression ignition (HCCI) combustion and control strategies, the use of alternative fuels and additives in combination with new combustion technology and novel approaches to recover the pumping loss in the spark ignition engine. The book will serve as a valuable resource for academic researchers and professional automotive engineers alike.

Design Techniques For Engine Manifolds

Author : D. E. Winterbone
ISBN : UOM:39015048867629
Genre : Exhaust systems
File Size : 46. 52 MB
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This book, together with its companion volume Theory of Engine Manifold Design ? Wave Action Methods for IC Engines aims to report upon the significant developments that have occurred over the last twenty years and show how mature the calculation of one-dimensional flow has become. In particular the volumes show how many of the limitations of the Method of Characteristics can be removed by the application of finite volume techniques, resulting in more accurate simulations and giving the further benefit of more rapid and more robust calculations. TOPICS COVERED: Summary of equations for compressible flow in pipes and at the boundaries Measuring the characteristics of valves and turbochargers Design of engine gas flow systems Case studies of flow in engines Noise generation in engines, and silencing techniques Future developments. Design Techniques for Engine Manifolds is aimed at practising engineers and students, who wish to get a good understanding of how wave action in the inlet and exhaust manifolds of reciprocating engines affects the performance of the engine. A variety of numerical techniques are presented in some depth, yet the material is considered from an engineering perspective and the use of specialised mathematical notation has been kept to a minimum.

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