CFD modeling and optimization of fuel-cell systems / / P.L. Zervas ... [et al.]

• Pubblicazione: New York, : Nova Science Publishers, c2008
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (106 p.)
• Disciplina: 621.31/2429015118
• Soggetto topico: Fuel cells - Mathematical models; Computational fluid dynamics; Fluid dynamics - Mathematics
• Altri autori: ZervasP. L
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references (p. [81]-83) and index.
• Nota di contenuto: ""CFD MODELING AND OPTIMIZATION OF FUEL-CELL SYSTEMS""; ""NOTICE TO THE READER""; ""ACKNOWLEDGEMENTS""; ""CONTENTS""; ""PREFACE""; ""NOMENCLATURE""; ""ABBREVIATIONS""; ""INTRODUCTION""; ""BASIC OPERATIONAL PRINCIPLES""; ""2.1. FUEL CELL DESCRIPTION""; ""2.2. MAXIMUM ELECTROMOTIVE FORCE (EMF) OR OPEN CIRCUIT VOLTAGE (OCV)""; ""2.3. CURRENT DENSITY-POWER DENSITY""; ""2.4. FUEL-CELL EFFICIENCY""; ""2.5. NERNST EQUATION""; ""2.6. IRREVERSIBLE PROCESSES UNDER OPERATING CONDITIONS""; ""2.6.1. Activation Polarization (Î?Vact)""; ""2.6.2. Ohmic Losses (Î?Vohmic)"" ; ""2.6.3. Concentration Polarization (Î?Vconc)""""2.6.4. Total Losses""; ""2.7. ELECTROCHEMICAL REACTION RATES""; ""2.8. FUEL CELL OPERATING PARAMETERS""; ""THE MATHEMATICAL MODEL""; ""3.1. THE EQUATIONS""; ""3.2. MODEL ASSUMPTIONS""; ""3.3. BOUNDARY CONDITIONS-SPECIAL INTERNAL CONDITIONS""; ""NUMERICAL SOLUTION METHOD""; ""4.1. INTRODUCTION""; ""4.2. THE SOLUTION METHOD""; ""4.3. NUMERICAL SOLUTION""; ""4.4. MODEL APPLICATION""; ""4.4.1. Fuel Cell Geometry""; ""4.4.2. Boundary Conditions""; ""4.4.3. Grid-Independency Studies â€? Computer Requirements""; ""RESULTS""; ""5.1. INTRODUCTION"" ; ""5.3.1. Fuel and Oxidant inlet Volumetric Rates, Qf, Qox""""5.3.2. Fuel and Oxidant Gases""; ""5.3.3. Operating Cell Voltage""; ""5.3.4. Fuel cell Power""; ""5.3.5. Fuel Cell Efficiency""; ""5.3.6. Influence of Oxidant Gas Inlet Volumetric Rate in Fuel Cell Performance""; ""5.3.7. Choice of m, n Coefficients""; ""CONCLUSION""; ""APPENDIX""; ""A.1. ACTIVATION OVERPOTENTIAL""; ""A.2. MODEL VALIDATION""; ""A.3. EMPIRICAL EQUATION FOR THE MASS TRANSPORT LOSSES ESTIMATION""; ""REFERENCES""; ""INDEX""
• Sommario/riassunto: In this text the fundamental principles of fuel cells operation and the mathematical formulation of a generic CFD model including transport and electrochemical phenomena are presented in detail.
• Altri titoli varianti: Computational fluid dynamics modeling and optimization of fuel-cell systems
• Titolo autorizzato: CFD modeling and optimization of fuel-cell systems
• ISBN: 1-60876-297-1
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910967713203321
• Lo trovi qui: Univ. Federico II