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Gasification processes : modeling and simulation / / edited by Petr A. Nikrityuk and Bernd Meyer
| Gasification processes : modeling and simulation / / edited by Petr A. Nikrityuk and Bernd Meyer |
| Pubbl/distr/stampa | Weinheim, Germany : , : Wiley-VCH, , 2014 |
| Descrizione fisica | 1 online resource (362 p.) |
| Disciplina | 665.772 |
| Soggetto topico |
Coal gasification - Social aspects
Coal gasification - Environmental aspects Gas industry - Social aspects |
| Soggetto genere / forma | Electronic books. |
| ISBN |
3-527-67320-2
3-527-67318-0 3-527-67321-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Gasification Processes; Contents; Preface; List of Contributors; Acknowledgments; Recommended Reading; Coal Gasification: Basic Terminology; Chapter 1 Modeling of Gasifiers: Overview of Current Developments; 1.1 Numerical Modeling in Engineering; 1.1.1 The Role of Direct Numerical Simulation (DNS) in Particulate-Flow Modeling; Summary; 1.2 CFD-based Modeling of Entrained-Flow Gasifiers; 1.2.1 Mainstream Computational Submodels; 1.2.1.1 Particle Conversion; 1.2.1.2 Turbulence-Chemistry Interaction; 1.2.2 Review of CFD-related Works; 1.2.2.1 Noncommercial Software; 1.2.2.2 Commercial Software
Summary1.3 Benchmark Tests for CFD Modeling; 1.3.1 British Coal Utilization Research Association Reactor (BCURA); 1.3.2 Brigham Young University Reactor (BYU); 1.3.3 Pressurized Entrained-Flow Reactor (PEFR); References; Chapter 2 Gasification of Solids: Past, Present, and Future; 2.1 Introduction; 2.2 Historical Background; 2.3 Types of Gasification Reactors; 2.4 Trends in Gasifier Development; 2.5 Derived Challenges for Research; References; Chapter 3 Modeling of Moving Particles: Review of Basic Concepts and Models; 3.1 Introduction; 3.2 Soft-Sphere Model; 3.2.1 Numerical Implementation 3.2.1.1 Contact Forces3.2.1.2 Collision Parameters; 3.2.1.3 Contact Detection; 3.2.1.4 Time Integration; 3.2.2 Validation Cases; 3.2.2.1 Free-Falling Particle; 3.2.2.2 Analytic Solution for the Free-falling Particle; 3.2.2.3 Slipping Sphere on a Rough Surface; 3.2.3 Illustrative Examples; 3.2.3.1 Breaking Dam Problem; 3.2.3.2 Rotating Drum; 3.2.3.3 Generation of Fixed Beds; 3.3 Hard-Sphere Model; 3.3.1 Governing Equations; 3.3.2 Collision Treatment in Dense Particulate Systems; 3.3.3 2D Formulation of Hard-Sphere Collisions; 3.3.4 Illustration of Hard-Sphere Models; 3.3.5 Conclusions NomenclatureReferences; Chapter 4 CD and Nu Closure Relations for Spherical and NonSpherical Particles; 4.1 Literature Review; 4.2 Model Description; 4.2.1 Numerical Scheme and Discretization; 4.3 Code and Software Validation; 4.4 Porous Particles; 4.4.1 Geometry Assumptions; 4.4.2 Heat and Fluid Flow Past Porous Particles; 4.4.3 Drag and Nusselt Numbers for Porous Particles; 4.5 Nonspherical Particles; 4.5.1 Heat and Fluid Flow of Particles Oriented in the Flow Direction; 4.5.2 Flow Characteristics of Particles at Different Angles of Attack 4.5.3 Influence of Particle Orientation on Drag Forces and Heat Transfer4.5.3.1 Drag Forces; 4.5.3.2 Heat Transfer; 4.5.3.3 Drag Forces and Nusselt Relations for Two Rotations; 4.5.4 Discussion; 4.5.5 Conclusion; References; Chapter 5 Single Particle Heating and Drying; 5.1 Nonporous Spherical Particle Heating in a Stream of Hot Air; 5.1.1 State of the Art; 5.1.2 Problem and Model Formulation; 5.1.2.1 Linear Model; 5.1.3 Illustration of Results and Subgrid Model; 5.1.4 Semiempirical Two-Temperature Subgrid Model; 5.2 Heating of a Porous Particle; 5.2.1 Problem and Model Formulation 5.2.2 Porosity |
| Record Nr. | UNINA-9910132186403321 |
| Weinheim, Germany : , : Wiley-VCH, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Gasification processes : modeling and simulation / / edited by Petr A. Nikrityuk and Bernd Meyer
| Gasification processes : modeling and simulation / / edited by Petr A. Nikrityuk and Bernd Meyer |
| Pubbl/distr/stampa | Weinheim, Germany : , : Wiley-VCH, , 2014 |
| Descrizione fisica | 1 online resource (362 p.) |
| Disciplina | 665.772 |
| Soggetto topico |
Coal gasification - Social aspects
Coal gasification - Environmental aspects Gas industry - Social aspects |
| ISBN |
3-527-67320-2
3-527-67318-0 3-527-67321-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Gasification Processes; Contents; Preface; List of Contributors; Acknowledgments; Recommended Reading; Coal Gasification: Basic Terminology; Chapter 1 Modeling of Gasifiers: Overview of Current Developments; 1.1 Numerical Modeling in Engineering; 1.1.1 The Role of Direct Numerical Simulation (DNS) in Particulate-Flow Modeling; Summary; 1.2 CFD-based Modeling of Entrained-Flow Gasifiers; 1.2.1 Mainstream Computational Submodels; 1.2.1.1 Particle Conversion; 1.2.1.2 Turbulence-Chemistry Interaction; 1.2.2 Review of CFD-related Works; 1.2.2.1 Noncommercial Software; 1.2.2.2 Commercial Software
Summary1.3 Benchmark Tests for CFD Modeling; 1.3.1 British Coal Utilization Research Association Reactor (BCURA); 1.3.2 Brigham Young University Reactor (BYU); 1.3.3 Pressurized Entrained-Flow Reactor (PEFR); References; Chapter 2 Gasification of Solids: Past, Present, and Future; 2.1 Introduction; 2.2 Historical Background; 2.3 Types of Gasification Reactors; 2.4 Trends in Gasifier Development; 2.5 Derived Challenges for Research; References; Chapter 3 Modeling of Moving Particles: Review of Basic Concepts and Models; 3.1 Introduction; 3.2 Soft-Sphere Model; 3.2.1 Numerical Implementation 3.2.1.1 Contact Forces3.2.1.2 Collision Parameters; 3.2.1.3 Contact Detection; 3.2.1.4 Time Integration; 3.2.2 Validation Cases; 3.2.2.1 Free-Falling Particle; 3.2.2.2 Analytic Solution for the Free-falling Particle; 3.2.2.3 Slipping Sphere on a Rough Surface; 3.2.3 Illustrative Examples; 3.2.3.1 Breaking Dam Problem; 3.2.3.2 Rotating Drum; 3.2.3.3 Generation of Fixed Beds; 3.3 Hard-Sphere Model; 3.3.1 Governing Equations; 3.3.2 Collision Treatment in Dense Particulate Systems; 3.3.3 2D Formulation of Hard-Sphere Collisions; 3.3.4 Illustration of Hard-Sphere Models; 3.3.5 Conclusions NomenclatureReferences; Chapter 4 CD and Nu Closure Relations for Spherical and NonSpherical Particles; 4.1 Literature Review; 4.2 Model Description; 4.2.1 Numerical Scheme and Discretization; 4.3 Code and Software Validation; 4.4 Porous Particles; 4.4.1 Geometry Assumptions; 4.4.2 Heat and Fluid Flow Past Porous Particles; 4.4.3 Drag and Nusselt Numbers for Porous Particles; 4.5 Nonspherical Particles; 4.5.1 Heat and Fluid Flow of Particles Oriented in the Flow Direction; 4.5.2 Flow Characteristics of Particles at Different Angles of Attack 4.5.3 Influence of Particle Orientation on Drag Forces and Heat Transfer4.5.3.1 Drag Forces; 4.5.3.2 Heat Transfer; 4.5.3.3 Drag Forces and Nusselt Relations for Two Rotations; 4.5.4 Discussion; 4.5.5 Conclusion; References; Chapter 5 Single Particle Heating and Drying; 5.1 Nonporous Spherical Particle Heating in a Stream of Hot Air; 5.1.1 State of the Art; 5.1.2 Problem and Model Formulation; 5.1.2.1 Linear Model; 5.1.3 Illustration of Results and Subgrid Model; 5.1.4 Semiempirical Two-Temperature Subgrid Model; 5.2 Heating of a Porous Particle; 5.2.1 Problem and Model Formulation 5.2.2 Porosity |
| Record Nr. | UNINA-9910815238303321 |
| Weinheim, Germany : , : Wiley-VCH, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
