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Advances in Computational Heat and Mass Transfer : Proceedings of the 14th International Conference on Computational Heat and Mass Transfer (ICCHMT 2023), 4-8 September, 2023, Düsseldorf, Germany, Volume 1 / / edited by Ali Cemal Benim, Rachid Bennacer, Abdulmajeed A. Mohamad, Paweł Ocłoń, Sang-Ho Suh, Jan Taler
| Advances in Computational Heat and Mass Transfer : Proceedings of the 14th International Conference on Computational Heat and Mass Transfer (ICCHMT 2023), 4-8 September, 2023, Düsseldorf, Germany, Volume 1 / / edited by Ali Cemal Benim, Rachid Bennacer, Abdulmajeed A. Mohamad, Paweł Ocłoń, Sang-Ho Suh, Jan Taler |
| Autore | Benim Ali Cemal |
| Edizione | [1st ed. 2024.] |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2024 |
| Descrizione fisica | 1 online resource (754 pages) |
| Disciplina | 621.4021 |
| Altri autori (Persone) |
BennacerRachid
MohamadAbdulmajeed A OcłońPaweł SuhSang-Ho TalerJan |
| Collana | Lecture Notes in Mechanical Engineering |
| Soggetto topico |
Thermodynamics
Heat engineering Heat transfer Mass transfer Fluid mechanics Engineering Thermodynamics, Heat and Mass Transfer Engineering Fluid Dynamics |
| ISBN | 3-031-67241-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface -- Organization -- Contents -- Air Conditioning -- Numerical Modeling of an Air Gap Membrane Distillation Regenerator for Liquid Desiccant Air-Conditioning Applications -- 1 Introduction -- 2 Model Development -- 2.1 Heat and Mass Transfer Model -- 2.2 Performance Evaluation -- 3 Results and Discussion -- 3.1 Effects of Operation Temperatures -- 3.2 Effects of Flow Rates -- 3.3 Effects of Enhancement Factors for Heat Transfer -- 4 Conclusions -- References -- Assessing the Performance of Novel Dew Point Evaporative Cooler Considering the Climatic Conditions of Different Cities in Iraq -- 1 Introduction -- 2 New DPEC Design -- 3 Computational Approach -- 3.1 Mathematical Model -- 3.2 Numerical Procedure -- 4 Results and Discussion -- 4.1 Weather Data -- 4.2 Performance Assessment of Novel DPEC Under Climate Condition of Iraq -- 5 Conclusions -- References -- Energy Performance Analysis of Dew Point Evaporative Cooler with Novel Heat and Mass Exchanger Design -- 1 Introduction -- 2 System Description -- 3 Numerical Approach -- 3.1 Mathematical Model -- 3.2 Energy Performance Evaluation -- 3.3 Numerical Simulation Method -- 4 Results and Discussion -- 5 Summary and Conclusions -- References -- Atmospheric Crossflow -- Interaction of an Elevated Low Velocity Ratio Turbulent Jet with Atmospheric Crossflow: An IDDES Study -- 1 Introduction -- 2 Numerical Framework -- 3 Results and Discussion -- 3.1 Mesh Convergence Study -- 3.2 Mean Flow Field -- 3.3 Instantaneous Flow Field -- 4 Conclusions -- References -- Biomedical -- CFD Analysis of Different Cross-Sectional Areas of Sleep Apnea Patients Under Various Conditions -- 1 Introduction -- 2 Method -- 3 Subject -- 4 Numerical Modeling -- 5 Results and Discussion -- 5.1 Cross-Sectional Area -- 5.2 Turbulent Kinetic Energy -- 6 Conclusion -- 7 Future Work -- References.
Numerical Modeling of the Effects of Congestion in Human Lungs -- 1 Introduction -- 2 Dual Model -- 2.1 Global Equivalent Porous Medium Model -- 2.2 Local Representative Elemental Porous Medium Model -- 3 Mathematical Modelling -- 3.1 Global Equivalent Porous Medium Model -- 3.2 Local REV -- 3.3 Numerical Procedure -- 3.4 Model Validation -- 3.5 Grid Independence Study -- 4 Results and Discussion -- 4.1 Velocity Obtained from Global Model -- 4.2 Partial Pressure of Oxygen Entering the Bloodstream as Predicted by the Local Model -- 5 Conclusion -- References -- Numerical Study of Convection-Assisted Intra-Vitreous Drug Delivery in Human Eye -- 1 Introduction -- 2 Mathematical and Numerical Modelling -- 2.1 Eye Model and Thermophysical Properties -- 2.2 Conservation Equation -- 2.3 Initial Condition -- 2.4 Boundary Condition -- 2.5 Damage Integral Calculation -- 3 Numerical Methodology -- 3.1 Grid Generation and Grid Independence Study -- 4 Comparative Study -- 5 Results and Discussion -- 5.1 Steady State Results -- 5.2 Thermal Damage -- 6 Conclusions -- References -- Establishment of Dynamic Cell Freezing Model and Influence of Intracellular Freezing Curve -- 1 Introduction -- 2 Method -- 3 Results -- 3.1 Water Permeability Damage and Water Transport Model -- 3.2 Cell Freezing Model for Controlling Temperature Curves -- 4 Discussion -- 4.1 A Subsection Sample -- References -- Chemical Reactions, Combustion -- Investigation of the Operating Flexibility of a CFB Furnace - Experimental Measurements and Dynamic Simulation -- 1 Introduction -- 2 1 MWth Circulating Fluidized Bed -- 3 Dynamic Process Simulation -- 4 Results -- 5 Conclusion -- References -- Relevance of Turbulence Modulation by Particles for the Simulation of a 60 kWth Swirling Flame of Pulverized Solid Fuel Under Oxy-Fuel Conditions -- 1 Introduction -- 2 Numerical Methodology. 2.1 Simulations -- 3 Results and Discussion -- References -- Effect of Heat Generated by an Exothermic Chemical Reaction on the Mixed Convection Flow in a Vertical Porous Channel -- 1 Introduction -- 2 Mathematical Model -- 3 Solution Procedure -- 3.1 Energy Equation -- 3.2 Momentum Equations -- 4 Conclusion -- References -- Influence of Turbulence Modelling Approach on Characteristics of Premixed Jet Flames Doped with Ammonia -- 1 Introduction -- 1.1 Ammonia as a Fuel -- 1.2 Motivation -- 2 Experimental Setup -- 3 Methodology -- 3.1 Combustion Model -- 3.2 Numerical Setup -- 3.3 Selected Turbulence and Combustion Models -- 4 Results -- 4.1 A Comparison of Temperature and NO Dry Distributions for the Investigated Combustion Models Using RSM-LPS Turbulence Model -- 4.2 A Comparison of Temperature and NO Dry Distributions for the Investigated Turbulence Models Using EDC-M Combustion Model -- 5 Conclusions -- References -- A Comparative Study on Flame Length Using Numerical Analysis and Flame Visualization in Premixed Combustion -- 1 Introduction -- 2 Premixed Burner Design -- 2.1 Burner Design Concept -- 2.2 Burner Design -- 2.3 Simulation Model -- 2.4 Experimental Apparatus -- 3 Results -- 3.1 Flame Simulation Results -- 3.2 Flame Visualization Results -- 4 Conclusions -- References -- Comparative Analysis of Turbulence Models for Turbulent Non-premixed Combustion: A Hybrid Rocket Engine Case Study -- 1 Introduction -- 2 Analysis Methodology -- 2.1 Geometry and Boundary Conditions -- 2.2 Fuel Source Modelling -- 2.3 Mesh and Numerical Setup -- 3 Results and Discussion -- 4 Conclusions -- References -- Computational Analysis of Effect of Injection Angles in Strut Based Scramjet Combustor -- 1 Introduction -- 2 Numerical Methodology -- 2.1 Geometric Modelling -- 2.2 Numerical Modelling -- 2.3 Grid Independence Test -- 2.4 Boundary Conditions. 2.5 Validation -- 3 Result and Discussion -- 3.1 The Effect of Wall-Static Pressure -- 4 Conclusion -- References -- A Numerical Study of Relaxation Phenomena in Microfluidic Reactive-Diffusive Systems -- 1 Introduction -- 2 Formulation and Mapping -- 3 Numerical Methods -- 4 Numerical Results -- 5 Conclusions -- References -- Numerical Simulation of Thermal Decomposition of Polyethylene with a Single-Particle Model -- 1 Introduction -- 2 Simulation Setups -- 3 Results and Discussions -- 3.1 Model Validation -- 3.2 Simulation of Plastic Pyrolysis at Isothermal Conditions -- 3.3 Correlation of Pyrolysis time with Pyrolysis Number -- 4 Conclusion -- References -- Investigation of Laminar Co-flow Ethylene Flames in Air Combustion at Near-Infrared Wavelengths: Fundamental Case -- 1 Introduction -- 2 Experimental Setups -- 3 Numerical Modelling -- 4 Results and Discussion -- 5 Conclusions -- References -- Conduction -- Numerical Investigation of 2D Heat Transfer with Periodic Boundary Conditions -- 1 Introduction -- 2 The Problem with Periodic Boundary Conditions -- 3 Analytical Solution of the Problem -- 4 Numerical Method for Problem -- 4.1 Example-1 -- 5 Conclusion -- References -- Numerical Estimation of Temperature-Dependent Thermal Properties -- 1 Introduction -- 2 Methods -- 2.1 Direct Thermal Model -- 2.2 The Quadrilateral Optimization Method (QOM) -- 2.3 Sensitivity Coefficients Calculus -- 2.4 Sensitivity Analysis -- 3 Time Steps Evaluation -- 4 Assessments -- 5 Conclusions -- References -- CPU and GPU Computational Performance Comparison Applied to Autogenous Welding Simulation -- 1 Introduction -- 2 Methodology -- 2.1 The Laser Beam Welding (LBW) Process -- 2.2 Mathematical Modeling -- 2.3 Moving Heat Source -- 2.4 Data Probe, Spatial and Temporal Mesh Independencies -- 2.5 Material Properties and Simulation Parameters. 3 Results and Discussion -- 3.1 Temperature Fields -- 3.2 CUDA® vs Variable CPU Processing Nodes -- 3.3 Effect of Mesh Size in Processing Performance -- 3.4 Processing Hardware Energy Consumption -- 4 Conclusion -- References -- Estimation of Energy Transmission to Workpiece in Wire Electrical Discharge Machining Process -- 1 Introduction -- 2 Description of the Direct Problem -- 3 Inverse Methodology -- 4 Stopping Criteria -- 5 Results and Discussion -- 5.1 Case 1: Numerical Experiment with Simulated Temperature -- 5.2 Case 2: A Real-Time Experiment Utilising Temperature Data Acquired During the WEDM Process -- 6 Conclusion -- References -- Cooling -- Numerical Investigation of the Cooling Zone of a Container Glass Annealing Furnace: Effect of the Circulation Fan Speed on the Cooling Effectiveness of the Furnace -- 1 Introduction -- 2 Numerical Methodology -- 2.1 Computational Furnace Domain -- 2.2 Numerical Solver and Computational Models -- 3 Results and Discussion -- 3.1 Furnace Temperature Distribution -- 3.2 Row Averaged Bottle Temperatures -- 3.3 Bottle Surface Temperatures -- 3.4 Radiative vs. Convective Heat Transfer Rate on the Bottles -- 3.5 Conclusion -- References -- Improving Skylight Geometry for Daytime Passive Radiative Cooling -- 1 Introduction -- 1.1 Passive Skylights for Daytime Cooling -- 2 Model Development -- 2.1 Simulation Setup: Geometry, Problem Domain, and Mesh -- 2.2 Mathematical and Physical Models -- 2.3 Choice of Radiative Heat Transfer Model -- 2.4 Material Properties -- 3 CFD Calculation Results and Discussion -- 3.1 Heat Transfer Analysis: Skylight Filled with CO2 as a Participating Medium -- 3.2 Skylight Filled with Weakly Participating Gas: Air -- 3.3 Skylight Filled with Strong Participating Gas: NH3 -- 3.4 Skylight Filled with CO2 Gas with Top and Bottom ZnS Glasses -- 4 Further Investigations -- 5 Conclusion. References. |
| Record Nr. | UNINA-9910886084703321 |
Benim Ali Cemal
|
||
| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Flashback mechanisms in lean premixed gas turbine combustion / / Ali Cemal Benim, Khawar J. Syed
| Flashback mechanisms in lean premixed gas turbine combustion / / Ali Cemal Benim, Khawar J. Syed |
| Autore | Benim Ali Cemal |
| Pubbl/distr/stampa | Waltham, Massachusetts : , : Academic Press, , 2015 |
| Descrizione fisica | 1 online resource (134 p.) |
| Disciplina | 621.433 |
| Soggetto topico |
Gas-turbines - Combustion
Gas-turbines - Design and construction |
| ISBN | 0-12-800826-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright Page; Contents; Author Bios; Preface; Chapter 1 - Introduction; Chapter 2 - Concepts Related to Combustion and Flow in Premix Burners; 2.1 - Laminar premixed flames; 2.1.1 - The Laminar Flame Speed; 2.1.2 - Effect of Flame Curvature and Stretch on the Laminar Flame Speed; 2.2 - Turbulent premixed flames; 2.2.1 - Structure of Turbulent Premixed Flames; 2.2.2 - The Turbulent Flame Speed; 2.3 - Swirl flow aerodynamics; 2.3.1 - Vortex Breakdown; 2.3.2 - Swirl Burners; Chapter 3 - Properties of Hydrogen-Containing Fuels
3.1 - Flammability limits of hydrogen fuel blends3.2 - Laminar flame speed of hydrogen fuel blends; Chapter 4 - An Overview of Flashback Mechanisms; Chapter 5 - Flashback by Autoignition; Chapter 6 - Flashback Due to Combustion Instabilities; Chapter 7 - Flashback Due to Turbulent Flame Propagation in the Core Flow; Chapter 8 - Flashback Due to Flame Propagation in Boundary Layers; 8.1 - Flame propagation in laminar boundary layers; 8.2 - Flame propagation in turbulent boundary layers; Chapter 9 - Combustion-Induced Vortex Breakdown-Driven Flashback 9.1 - Flame propagation in vortex tubes and vortex rings9.2 - CIVB in gas turbine combustors; 9.3 - The role of quenching; Chapter 10 - Flameholding by Fuel Injection Jets; 10.1 - Jet in Cross-Flow; 10.2 - Jet Flames in Cross-Flow; References; Nomenclature; Greek symbols; Abbreviations |
| Record Nr. | UNINA-9910788061003321 |
|
Benim Ali Cemal
|
||
| Waltham, Massachusetts : , : Academic Press, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Flashback mechanisms in lean premixed gas turbine combustion / / Ali Cemal Benim, Khawar J. Syed
| Flashback mechanisms in lean premixed gas turbine combustion / / Ali Cemal Benim, Khawar J. Syed |
| Autore | Benim Ali Cemal |
| Pubbl/distr/stampa | Waltham, Massachusetts : , : Academic Press, , 2015 |
| Descrizione fisica | 1 online resource (134 p.) |
| Disciplina | 621.433 |
| Soggetto topico |
Gas-turbines - Combustion
Gas-turbines - Design and construction |
| ISBN | 0-12-800826-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright Page; Contents; Author Bios; Preface; Chapter 1 - Introduction; Chapter 2 - Concepts Related to Combustion and Flow in Premix Burners; 2.1 - Laminar premixed flames; 2.1.1 - The Laminar Flame Speed; 2.1.2 - Effect of Flame Curvature and Stretch on the Laminar Flame Speed; 2.2 - Turbulent premixed flames; 2.2.1 - Structure of Turbulent Premixed Flames; 2.2.2 - The Turbulent Flame Speed; 2.3 - Swirl flow aerodynamics; 2.3.1 - Vortex Breakdown; 2.3.2 - Swirl Burners; Chapter 3 - Properties of Hydrogen-Containing Fuels
3.1 - Flammability limits of hydrogen fuel blends3.2 - Laminar flame speed of hydrogen fuel blends; Chapter 4 - An Overview of Flashback Mechanisms; Chapter 5 - Flashback by Autoignition; Chapter 6 - Flashback Due to Combustion Instabilities; Chapter 7 - Flashback Due to Turbulent Flame Propagation in the Core Flow; Chapter 8 - Flashback Due to Flame Propagation in Boundary Layers; 8.1 - Flame propagation in laminar boundary layers; 8.2 - Flame propagation in turbulent boundary layers; Chapter 9 - Combustion-Induced Vortex Breakdown-Driven Flashback 9.1 - Flame propagation in vortex tubes and vortex rings9.2 - CIVB in gas turbine combustors; 9.3 - The role of quenching; Chapter 10 - Flameholding by Fuel Injection Jets; 10.1 - Jet in Cross-Flow; 10.2 - Jet Flames in Cross-Flow; References; Nomenclature; Greek symbols; Abbreviations |
| Record Nr. | UNINA-9910808305903321 |
|
Benim Ali Cemal
|
||
| Waltham, Massachusetts : , : Academic Press, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||