Nota di contenuto |
Intro -- Preface -- Keynote Speakers at JITH 2022 -- Organization of JITH 2022 -- Contents -- Fundamental Developments in Thermal Transfers -- Efficient Prediction of the Thermal Conductivity of Wood from Its Microscopic Morphology -- 1 Introduction -- 2 Materials and Methods -- 2.1 Sample Preparation and Tomography -- 2.2 Morphology Segmentation -- 2.3 A Word on the Homogenization -- 2.4 The Finite Volume Approximation -- 3 Computational Results -- 3.1 Solid Fraction -- 3.2 Convergence of the Thermal Conductivity -- 3.3 Performance of the Numerical Method -- 4 Conclusion -- References -- A Numerical Model for Direct Carbon Fuel Cells Based on Hybrid Lattice Boltzmann and Finite Difference Methods -- 1 Introduction -- 2 Problem Description and Mathematical Formulation -- 3 Numerical Method -- 3.1 Boundary Conditions -- 4 Results and Discussion -- 4.1 Code Validation -- 4.2 Effect of Dioxygen Concentration -- 4.3 Effect of the Cathode Porosity -- 5 Conclusion -- References -- Double Diffusive Natural Convection with Variable Properties of Nanofluid Using Lattice Boltzmann Method -- 1 Introduction -- 2 Problem and Governing Equations -- 3 Nanofluid Model -- 4 Numerical Procedure -- 5 Results and Discussion -- 5.1 Grid Independency and Validation -- 5.2 Effect of the Buoyancy Ratio, the Lewis Number and the Nanoparticles Volume Fraction on the Stream Lines, Isotherms and Isoconcentrations -- 5.3 Effect of the Buoyancy Ratio, the Lewis Number and the Nanoparticles Volume Fraction on the Average Nusselt and Sherwood Numbers -- 6 Conclusion -- References -- Double-Diffusive Natural, Mixed, and Forced Convection Characterization in a Single Lid-Driven Rectangular Cavity: Effect of Heat and Mass Diffusion Rates Difference -- 1 Introduction -- 2 Physical Configuration and Governing Equations -- 3 Numerical Solution.
4 Analytical Solution: Parallel Flow Approximation -- 5 Results and Discussion -- 5.1 Natural, Mixed, and Forced Convection Dominance Regions -- 5.2 Effect of Lewis Number -- 6 Conclusions -- References -- Numerical Modeling of the Solid-State Sintering Process by Coupling the Thermal and Microstructural Fields -- 1 Introduction -- 2 Modelling Approach -- 2.1 Thermal Field Formulation -- 2.2 Microstructural Field Formulation -- 2.3 Thermo-Microstructural Coupling -- 3 Numerical Framework -- 4 Results and Discussion -- 5 Conclusion and Perspectives -- References -- A Comprehensive Model on Convective Flows During Sessile Drop Evaporation -- 1 Introduction -- 2 Mathematical Model -- 3 Numerical Procedure -- 4 Results and Discussion -- 5 Conclusion -- References -- A Simple Method to Measure the Thermal Conductivity of a Compressed Earth Brick -- 1 Introduction -- 2 Production of the Brick -- 3 Thermal Conductivity Measurement Using the Developed Method -- 4 Principle of Measurement -- 5 Numerical Results -- 6 Experimental Results -- 7 Validation of the Measures -- 8 Conclusion -- References -- Two- and Three-Dimensional Bifurcations in the Case of Natural Convection Induced by a Heat Generating Block -- 1 Introduction -- 2 Physical and Mathematical Models -- 3 Results and Discussion -- 3.1 Effect of the Rayleigh Number, Ra -- 3.2 Effect of the Thermal Conductivity Ratio, k* -- 3.3 Effect of the Block's Form -- 4 Conclusion -- References -- Experimental Identification of the Thermal Parameters of an Aircraft Braking System During the Braking Phase -- 1 Introduction -- 2 Thermal Modelling of an Aircraft Braking System -- 2.1 Device Presentation -- 2.2 Thermal Model -- 3 Identification of Braking Heat Flux from Temperature Measurements -- 3.1 Estimation Procedure -- 3.2 Experimental Test Bench -- 3.3 Experimental Estimation of Generated Heat Flux.
4 Conclusion -- References -- Mixing Ventilation in a Full Scale Model Room Using a Multi-Orifice Nozzle -- 1 Introduction -- 2 Experimental Setup -- 3 Results and Discussion -- 4 Conclusion -- References -- Lattice Boltzmann Modeling for Natural Convection in a Square Cavity Partially Heated and Filled with a Non-Newtonian Fluid: Analysis of Combined Effects of a Magnetic Field and Internal Heat Generation -- 1 Introduction -- 2 Mathematical Formulation -- 2.1 Physical Model -- 2.2 Lattice Boltzmann Method -- 2.3 Numerical Validation and Grid Size -- 3 Results and Discussion -- 3.1 Streamlines and Isotherms -- 3.2 Heat Transfer -- 4 Conclusion -- References -- Thermal Runaway Experiments on High-Capacity Lithium-Ion Cells -- 1 Introduction -- 2 Overview of Experiment -- 2.1 Used Lithium-Ion Cells -- 2.2 Experimental Device and Instrumentation -- 2.3 Results and Discussion -- 3 Conclusion -- References -- Numerical Investigation of Stratification Parameter Effect on Natural Ventilation Performance -- 1 Introduction -- 2 CFD Modeling -- 2.1 Physical Model -- 2.2 Fire Dynamics Simulator -- 2.3 Validation of Results -- 3 Results and Discussions -- 3.1 Flow Pattern in the Tunnel with Vertical Duct-System -- 3.2 Stratification Parameter Effect on Thermal Buoyant Stratification -- 4 Conclusions -- References -- Effect of Fire-Retardant Coating and SiC Powder Filler on Thermal Properties of Green-Poxy Bio-Based Composites -- 1 Introduction -- 2 Material and Method -- 2.1 Material -- 2.2 Preparation of the Green Bio Composite -- 2.3 Thermogravimetric Analysis -- 3 Result and Discussion -- 3.1 Fire Retardant Effect -- 3.2 Sic Powder Filler -- 4 Conclusion -- References -- Microscopic Analysis, Characterization, and Experimental Study of the Thermal Performance of Rice Husk Concrete -- 1 Introduction -- 2 Materials and Methods -- 2.1 Microscopic Analysis.
2.2 Evaluation of Thermophysical Properties -- 2.3 Experimental Protocol -- 3 Results and Analysis -- 3.1 Microscopic Analysis -- 3.2 Thermal Characteristics -- 3.3 Monitoring of Temperature Measurements on a Scale Model -- 4 Conclusion -- References -- Numerical Investigation of Mixed Convection Heat Transfer in a Lid-Driven Cavity with Two Embedded Rotating Cylinders Based on Immersed Boundary-Lattice Boltzmann Method -- 1 Introduction -- 2 Problem Geometry and Numerical Method -- 2.1 Problem Geometry -- 2.2 Numerical Method -- 2.3 Boundary Conditions -- 2.4 Code Validation -- 3 Results and Discussion -- 4 Conclusion -- References -- Natural Convection and Surface Radiation in a Cavity with a Partially Heated Rectangular Block -- 1 Introduction -- 2 Problem Statement -- 3 Method of Solution -- 4 Results and Discussion -- 5 Conclusion -- References -- Transient Thermal Diffusivity Measurement via the Flying Spot and Parabola Method -- 1 Introduction -- 2 Material and Method -- 3 Feeding of the Method in a Transient Temperature Test -- 4 Contactless Transient Water Content Measurement -- 5 Conclusions and Perspectives -- References -- Effects of the Slip Flow and Viscous Dissipation on the Graetz Problem in Microchannels -- 1 Introduction -- 2 Problem Formulation -- 2.1 Geometrical Configuration -- 2.2 Mathematical Formulation -- 3 Analytical Solution -- 3.1 Velocity Distribution -- 3.2 Temperature Distribution -- 4 Results and Discussions -- 5 Conclusion -- References -- Experimental Estimation of Thermomechanical Properties and Thermal Boundary Conditions -- 1 Introduction -- 2 Thermomechanical Model -- 3 Direct Problem -- 3.1 Explicit Expression of the Deformation -- 3.2 Numerical Expression of the Convolution Product -- 4 Inversion Process -- 4.1 Identification of Thermomechanical Properties -- 4.2 Identification of the Excitation Temperature.
5 Experimental Results -- 6 Conclusion -- References -- Numerical Simulations of the Lorentz Force Effect on Thermal Convection in an Inclined Square Cavity Filled with a Non-Newtonian Fluid -- 1 Introduction -- 2 Mathematical Formulation -- 2.1 Physical Model -- 2.2 Lattice Boltzmann Method -- 2.3 Numerical Validation and Grid Size -- 3 Results and Discussion -- 3.1 Streamlines and Isotherms -- 3.2 Heat Transfer -- 4 Conclusion -- References -- Double-Diffusive Mixed Convection Inside a Rectangular Cavity Driven by Opposing Buoyancy and Shear Effects -- 1 Introduction -- 2 Physical Configuration and Governing Equations -- 3 Numerical Approach -- 4 Analytical Approach: Parallel Flow Approximation -- 5 Results and Discussion -- 5.1 Thermal Rayleigh Number Effects -- 5.2 Buoyancy Ratio Effects -- 6 Conclusion -- References -- Theoretical Analysis of Entropy Generation and Exergy Loss of Nanofluid Flow in Hexagonal Microchannel -- 1 Introduction -- 2 Methodology -- 2.1 Description of the Problem -- 2.2 Thermophysical Properties of Nanofluid -- 2.3 Entropy Generation Formulation -- 2.4 Exergy Model -- 3 Results -- 3.1 Validation -- 3.2 Effect of Different Nanofluid -- 4 Conclusion -- References -- Experimental Study and 3D Numerical Simulation of the Evaporation of a Sessile Droplet -- 1 Introduction -- 2 Experimental Setup -- 3 Mathematical Model -- 3.1 Interface Movement-ALE Method -- 3.2 Physical Domain -- 3.3 Mathematical Model -- 3.4 Initially and Boundary Conditions -- 4 Numerical Simulation -- 5 Results and Discussion -- 5.1 Validation of the Developed Model -- 5.2 Simulation-Experiment Comparison -- 5.3 Heated Substrate-Influence of Its Nature -- 6 Conclusion -- References -- Influence of Heat Sources/Sinks on Unsteady Natural Convection in a Differentially Heated Enclosure -- 1 Introduction -- 2 Numerical Procedure and Validation.
3 Results and Discussion.
|