An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines

by Marco Chiodi

In the engine development process, simulation and predictive programs have continuously gained in reliance. Due to the complexity of future internal combustion engines the application of simulation programs towards a reliable “virtual engine development” is a need that represents one of the greatest challenges. Marco Chiodi presents an innovative 3D-CFD-tool, exclusively dedicated and optimized for the simulation of internal combustion engines. Thanks to improved or newly developed 3D-CFD-models for the description of engine processes, this tool ensures an efficient and reliable calculation also by using coarse 3D-CFD-meshes. Based on this approach the CPU-time can be reduced up to a factor 100 in comparison to traditional 3D-CFD-simulations. In addition an integrated and automatic “evaluation tool” establishes a comprehensive analysis of the relevant engine parameters. Due to the capability of a reliable “virtual development” of full-engines, this fast response 3D-CFD-tool makes a major contribution to the engine development process. Südwestmetall-Förderpreis 2010

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Year of publication:	2011
Authors:	Chiodi, Marco
Publisher:	Wiesbaden : Vieweg+Teubner Verlag / Springer Fachmedien Wiesbaden GmbH, Wiesbaden
Subject:	Verbrennungsmotor \| Arbeitsspiel \| Numerische Strömungssimulation \| Virtuelle Produktentwicklung
Description of contents:	Description [swbplus.bsz-bw.de]

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Extent:	Online-Ressource (XXXIII, 245p. 196 illus., 20 illus. in color, digital)
Series:	SpringerLink / Bücher
Type of publication:	Book / Working Paper
Language:	English
Notes:	Includes bibliographical references Acknowledgments; Table of Contents; Abstract; Zusammenfassung; Symbols, Subscripts and Abbreviations; Roman Symbols; Greek Symbols; Subscripts and Abbreviations; 1 Introduction; 1.1 Society and Transportation; 1.2 The Fascination of Internal Combustion Engines; 1.3 Internal Combustion Engines and Sustainable Transportation; 1.4 How to Face the Complexity of Future Internal- Combustion-Engines; 2 Simulation of Internal Combustion Engines; 2.1 Simulation towards Virtual Engine Development; 2.2 Today's Repartition of the Resources in Engine Development 2.3 Introduction to Engine Processes Modeling in the Simulation of the Operating Cycle3 Engine Energy- Balance; 3.1 Energy-Balance of the Combustion Chamber; 3.2 Energy-Balance of the Entire Engine; 3.3 The Role of Engine Energy-Balance in the Engine Development Process; 4 Real Working-Process Analysis; 4.1 Introduction; 4.2 Fundamental Equations; 4.3 Thermal State Equation of the Working Fluid; 4.4 Engine Modeling (Engine-Specific Models); 4.5 Two Approaches in the Calculation of the Real Working-Process; 4.6 The Role of Real Working-Process Analysis in the Engine Development Process 5 One-Dimensional Simulation (1D-CFD-Simulation)5.1 Introduction; 5.2 Engine Layout and Conservation Equations; 5.3 The Role of the 1D-CFD-Simulation in the Engine Development Process; 6 Three-Dimensional Simulation (3D-CFD Simulation); 6.1 Fundamental Equations; 6.2 Engine Modeling; 6.3 Discretization Practices (Numerical Implementation); 6.4 The Role of the 3D-CFD-Simulation in the Engine Development Process; 7 Towards an improved 3D-CFD- Simulation; 7.1 An innovative Fast-Response 3D-CFD-Tool: QuickSim; 7.2 Additional Features of QuickSim; 7.3 Summary of the QuickSim Features 7.4 QuickSim's Calculation Layout8 3D-CFD-Modeling of the Thermodynamic Properties of the Working Fluid; 8.1 Introduction; 8.2 Chemical Composition of the Working Fluid Mixture; 8.3 Traditional Approach; 8.4 QuickSim's Approach: Few Species for the Description of the Working Fluid; 9 3D-CFD-Modeling of the Combustion for SI-Engines; 9.1 Introduction; 9.2 Flame Propagation Modeling (Weller Model); 9.3 QuickSim's Approach: Implementation Improvement; 9.4 Results; 10 3D-CFD-Modeling of the Wall Heat-Transfer; 10.1 Introduction 10.2 State-of the-Art of Engine Heat-Transfer Calculationin the 3D-CFD-Simualtion10.3 Results; 10.4 Influence of 3D-CFD-Heat-Transfer-Models on the Engine Energy-Balance; 11 A Way towards Virtual Engine Development; 11.1 Introduction; 11.2 The Hardware: a turbocharged CNG Race-Engine; 11.3 Setting of the 3D-CFD-Simulation; 11.4 CNG-Injector Model; 11.5 3D-CFD-Domains limited to the Cylinder; 11.6 Extension of the 3D-CFD-Domain: One Cylinder with the Airbox; 11.7 3D-CFD-Simulation of the Full Engine; 11.8 The Simulation of successive Operating Cycles 11.9 Result Comparison among the different Extensions of the 3D-CFD-Domain
ISBN:	978-3-8348-8131-1 ; 978-3-8348-1540-8
Other identifiers:	10.1007/978-3-8348-8131-1 [DOI]
Classification:	Kolbenkraftmaschinen
Source:	ECONIS - Online Catalogue of the ZBW

Persistent link: https://www.econbiz.de/10014015267