Advances in Thermal Sciences: Select Proceedings of ICFAMMT 2022

Description

This book presents select peer-reviewed proceedings of the International Conference on Futuristic Advancements in Materials, Manufacturing and Thermal Sciences (ICFAMMT 2022). The book provides an overview of the latest research in the area of thermal sciences such as computational and numerical methods in fluid flow and heat transfer, advanced energy systems, optimization of thermal systems, technologies for space, and aerospace applications, supersonic combustion, two-phase / multiphase flows. The book will be useful for researchers and professionals working in the field of thermal sciences About This Book Contents About the Editors Wettability Interaction on Two-Phase Flow in Microfluidic Flow-Focusing Geometry 1 Introduction 2 Problem Specification 3 Theoretical Formulation 4 Solution Methodology 5 Results and Discussion 5.1 Temporal Study of Microfluidic Characteristics of Dispersed Thread 5.2 Variation in Pinch-Off Time 5.3 Variation in Pressure Field 6 Conclusion References Impact of Secondary Channel Combined with Different Shaped Cavities and Ribs on Double Layer Microchannel Heat Sink 1 Introduction 2 Design and Model Description 2.1 Heat Sink 2.2 Computational Model 2.3 Mathematical Equation and Computation 2.4 Validation and Grid Independence Check 3 Results and Discussion 4 Conclusion References Influence of Geometric Configuration on the Flow and Heat Transfer Characteristics of an Open Microchannel Thermal Sinks 1 Introduction 2 Geometrical Modeling 2.1 Physical Model and Computational Domain 2.2 Governing Equations 2.3 Boundary Condition and Mesh Independence 2.4 Data Reduction 2.5 Model Validation 3 Results and Discussion 3.1 Heat Transfer Performance 3.2 Overall Pressure Drops 3.3 Fluid Flow Characteristics 3.4 Temperature Contour 3.5 Thermal Performance Factor 4 Conclusions References Transient Heat Transfer Analysis on Coaxial Surface Junction Thermocouples of Types K, E, and J 1 Introduction 2 Materials and Methods 2.1 Theoretical Modelling of Coaxial Surface Junction Thermocouples 2.2 Numerical Simulation of the Coaxial Surface Junction Thermocouple 3 Results and Discussion 3.1 Transient Thermal Simulation 3.2 Validation of Heat Flux Obtained with Numerical Algorithm 3.3 Comparison of Simulation Results with Experimental Data 4 Conclusions References Comparison of Heat Transfer Characteristics of Nanofluids for Electric Vehicle Battery Thermal Management 1 Introduction 2 Methodology 2.1 Governing Equations 2.2 Thermophysical Properties 3 Modeling and Meshing 4 Results and Discussions 5 Conclusion References Theoretical Investigation of Base Fluid Type in Nanofluids for Heat Transfer Enhancement in Multidisciplinary Engineering Applications 1 Introduction 2 Nanofluids Thermo-Physical Properties 3 Results and Discussion 4 Validation 5 Conclusions References CFD Analysis on Thermal Performance of Nanofluids in Electric Vehicle Battery 1 Introduction 2 Methodology 2.1 Governing Equations 2.2 Thermophysical Properties 2.3 Simulation Modelling 3 Result and Discussions 4 Conclusion References Impact of Titanium Oxide-Based (TiO2) Nanofluid on Parabolic Trough Solar Concentrating Collector 1 Introduction 2 Design Methodology 2.1 Nanofluid Preparation 3 Results and Discussion 4 Conclusion and Future Scope Appendix A References Effect of Variation of Free Stream Boundary Conditions on Flow Characteristics of Transverse Injection-Based Scramjet Combustor Equipped with Shock Generators 1 Introduction 2 Numerical Formulation 3 Geometry and Mesh Data 3.1 Geometry 3.2 Mesh Generation and Grid Independence Test 4 Validation 5 Results and Discussion 5.1 Effect of Variation of Inlet Mach Number 5.2 Effect of Variation of Stagnation Temperature of Inlet Air 6 Conclusions References Effect of Divergence Angles on the Performance of a Cavity-Based Scramjet Combustor 1 Introduction 2 Flow Modeling and Simulation 2.1 Geometry and Grid Generation 2.2 Numerical Setup 3 Results and Discussions 3.1 Simulation Validation 3.2 Effect of Variation of Mach Number 3.3 Effect on Mole Fraction of H2O 3.4 Mixing Efficiency 4 Conclusions References A Review on the Selection of Materials and Heat Transfer Properties in Scramjet Engines 1 Introduction 2 Materials and Heat Transfer Properties Required in the Scramjet Engines 3 Literature Review 3.1 Material Selection in Scramjet Engines 3.2 Heat Transfer in Scramjet Engines 4 Conclusions References Review on Enhancement of Thermal Capacity in Heat Exchangers with Various Nanofluids 1 Introduction 2 Literature Review 2.1 Thermal Conductivity 2.2 Viscosity 2.3 Heat Transfer Enhancement 3 Conclusion References A Review on Paraffin Phase Change Material-Based Thermal Management of Li-Ion Battery 1 Introduction 2 Analysis Methods 2.1 Experimental Method 2.2 Numerical Method 3 Conclusion References A Comprehensive Study of an Ejector System and Its Applications: A Review 1 Introduction 2 Compressible Fluid Dynamics (CFD) Analysis 3 Nozzle Geometry 4 Mixing Geometry 5 Diffuser Geometry 6 Mathematical Modeling of Ejector 7 Ejector Applications 8 Summary and Future Scope References Computational Analysis on the Flow Behavior and Performance Evaluation of Single and Double Offset Butterfly Valves 1 Introduction 2 Methodology and Validation 2.1 Governing Equations 2.2 Validation 2.3 Geometry 2.4 Grid Generation and Discretization Scheme 3 Results and Discussions 4 Conclusions References Spiral Wound Gasket in a Typical Liquid Engine Convergent-Divergent Nozzle 1 Introduction 1.1 Spiral Wound Gasket (SWG) 2 Geometrical Configuration 3 Gasket Assembly Load 3.1 Effective Contact Width of Gasket (B) 3.2 Effective Gasket Diameter (G) 3.3 Gasket Assembly Stress or Load 3.4 Evaluation of Preload for Higher Gasket Widths 4 Structural Analysis 4.1 Gasket Configuration and Material Details 4.2 Finite Element Analysis (FEA) 4.3 Load Cases Studied 5 Results and Discussion 5.1 Effect on Groove Load Distribution 5.2 Change in Gasket Preload During Operation 6 Conclusion References Design and Testing of a Liquid Rocket Engine 1 Introduction 2 Design Calculation 2.1 Mass Flow Calculation 2.2 Throat Diameter Calculation 2.3 Exit Diameter Calculation 2.4 Combustion Chamber Diameter Calculation 2.5 Combustion Chamber Length Calculation 2.6 Combustion Chamber Thickness Calculation 2.7 Oxygen Injector Design 2.8 Fuel Injector Design 2.9 Final Design Parameters 3 Engine Design 4 Fabrication 5 Experimental Setup 5.1 Experimental Setup for Cold Flow 5.2 Experimental Setup for Hot Flow 6 Results and Discussion 6.1 Results for Cold Flow 6.2 Results for Hot Flow 7 Conclusion References Thermal Management Challenges in Small Satellites 1 Introduction 2 Thermal Management Philosophy 3 Thermal Management Techniques for Small Satellites 3.1 Multi-Layer Insulation (MLI) Blankets 3.2 Optical Solar Reflector (OSR) 3.3 Thermal Interstitial Materials 3.4 Heat Pipes 3.5 Heaters 4 Thermal Management Challenges 4.1 Low Mass 4.2 Small Volume 4.3 Small Surface Area 4.4 High Power Density 4.5 Limited Power for Heaters 5 Special Techniques to Address Thermal Control Challenges 5.1 Phase Change Material (PCM) 5.2 Vapor Chamber with PCB Cards 5.3 Multi-Functional Structure 5.4 Variable Emissivity Radiator 6 Guidelines for Efficient Thermal Management of the Small Satellites 7 Conclusions References Piezo-Actuated and Hydraulically Amplified Linear Compressor for Pulse Tube Cryocooler 1 Introduction 2 Compressor Concept 3 Theoretical Model 4 Results and Discussions 5 Conclusions References Transient Thermal Modeling of Thermoelectric Coolers 1 Introduction 2 Modeling Methodology 3 Numerical Model 3.1 Reference case 3.2 Extraction of Thermoelectric Properties 3.3 Calculation of Effective Thermal Properties 3.4 Simulation Setup 3.5 Initial and Boundary Conditions 3.6 Mesh Size and Time Step Independence Study 4 Results 4.1 Single Pulse Mode 4.2 Multiple Current Pulse Mode 5 Conclusions References Feasibility Study on the Development of PGS-Based Flexible Radiator for Deep Space Applications 1 Introduction 2 Construction and Design 3 CAD Modeling and Numerical Analysis of RFR Fin 4 Conclusion References Analysis of Parameters Affecting Effectiveness of Industrial Cooling Towers 1 Introduction 2 Experimental Methodology 2.1 Field Visit and Data Collection 2.2 Cooling Tower Performance Model 3 Results and Discussion 3.1 Effect of Approach and Range on Effectiveness 3.2 Effect of Operating Parameters on Effectiveness 4 Conclusion References Effect of Magnetic Field on Refrigeration Devices for Improving Its Performance and Refrigerant Properties 1 Introduction 2 Literature Review 3 Experimental Setup 4 Result and Discussion 5 Conclusion References Optimization of Significant Parameters for Ramp Film Cooling Using CFD-Integrated RSM Approach 1 Introduction 2 CFD-Integrated RSM Approach 3 Validation Studies 4 Results and Discussion 5 Conclusion References Enhancing Fuel Efficiency of a Two-Wheeler Based on Taguchi and ANOVA Method and Regression Analysis 1 Introduction 2 Methodology 3 Experimental Design 3.1 Factors that Affect Fuel Economy 3.2 Motorbike Specifications 3.3 Experimental Setup 4 Design of Experiments 4.1 Taguchi L9 Orthogonal Array 4.2 S/N Ratio Formulations 4.3 Development of Mathematical Model 5 Results and Discussion 6 Conclusion References The Impact of Drying Conditions on Drying Characteristics, Kinetics, and Mass Transfer Parameters of Pumpkin Seeds (Cucurbita Maxima) 1 Introduction 2 Materials and Methods 2.1 Raw Materials 2.2 Drying Systems and Experimental Procedure 2.3 Drying Characteristics 2.4 Drying Kinetics 2.5 Diffusion Coefficient (Deff) and Activation Energy (Ea) 2.6 Mass Transfer Constraints 3 Results and Discussion 3.1 Evaluation of Characteristics of Drying 3.2 Mathematical Modeling 3.3 Mass Transfer Characteristics 4 Conclusion References Study of Aerodynamic Components on the Rear of the Car and the Effects of Varying Design Parameters 1 Introductions 2 Methodology 2.1 Design of Model and Wing Profile 2.2 Mesh Details 2.3 Boundary Conditions (Table 1) 2.4 Reference Values 3 Results of the Simulation 3.1 Case 1: Simulation Results of the Vehicle Only 3.2 Case 2: The Vehicle with the Full-Sized Rear Wing 3.3 Case 3: The Vehicle with Quarter the Size of the Original Wing 3.4 Case 4: The Vehicle with the Wing Half the Size of the Original Wing 4 Conclusion References