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ویرایش: نویسندگان: Elango Natarajan, S. Vinodh, V. Rajkumar سری: ISBN (شابک) : 9789811930539, 9811930538 ناشر: Springer Nature سال نشر: 2022 تعداد صفحات: 716 زبان: English فرمت فایل : PDF (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) حجم فایل: 28 Mb
در صورت تبدیل فایل کتاب Materials, Design and Manufacturing for Sustainable Environment: Select Proceedings of ICMDMSE 2022 به فرمت های PDF، EPUB، AZW3، MOBI و یا DJVU می توانید به پشتیبان اطلاع دهید تا فایل مورد نظر را تبدیل نمایند.
توجه داشته باشید کتاب مواد ، طراحی و ساخت محیط پایدار: مجموعه مقالات ICMDMSE 2022 را انتخاب کنید نسخه زبان اصلی می باشد و کتاب ترجمه شده به فارسی نمی باشد. وبسایت اینترنشنال لایبرری ارائه دهنده کتاب های زبان اصلی می باشد و هیچ گونه کتاب ترجمه شده یا نوشته شده به فارسی را ارائه نمی دهد.
Preface About the Conference Contents About the Editors Materials for Sustainability Development of Sustainable Banana Plantain Fibre Extractor 1 Introduction 2 Literature Review 2.1 Sustainability Pillars 2.2 Fibre Extraction 2.3 Conventional Rope 2.4 Banana Fibre 3 Fibre Extraction Machine 3.1 Raspador Drum/Pulping Drum 3.2 Rollers 3.3 Drawings and Simulations of Fibre Extraction Machine 3.4 Rope Spinning Machine 4 Workflow 5 Tension Test 6 Conclusion References Improved Mechanical Properties and Use of Rice Husk-Reinforced Recycled Thermoplastic Composite in Safety Helmets 1 Introduction 2 Material and Methods 2.1 Materials and Preparation of Samples 2.2 Tensile Testing 2.3 Water Absorption and Swelling Analysis 2.4 Modelling of Safety Helmets and Impact Analysis 3 Results and Discussion 3.1 Tensile Properties of rHDPE/rPET/RH Composite 3.2 Absorption Rate and Swelling Test Results 3.3 Explicit Dynamics Simulation Results 4 Conclusions References Thermal, Microstructure, and Hardness Properties of Molybdenum Nanoparticles Added Tin -Bismuth Solder Alloy for Low-Temperature Soldering Application 1 Introduction 2 Experimental Procedures 3 Results and Discussion 3.1 Molybdenum Nanoparticle’s Size 3.2 Melting Properties of the Solder 3.3 Microstructure Properties of the Solder 3.4 Microhardness of the Solder 4 Conclusions References Studies on Elastic–Plastic Behavior of Plasma-Sprayed Ceramic Coatings on TI–6AL–4V Substrate 1 Introduction 2 Materials and Method 2.1 Powder Preparation 2.2 Sample Preparation 3 Experimental Analysis 4 Results and Discussion 4.1 Experimental Validation 4.2 Microstructural Characterization 4.3 Analytical Approach—State of Contact 5 Conclusions References Biocorrosion Studies on Stainless Steel Implant Material with Different Surface Process Condition 1 Introduction 2 Experimental Details 3 Results and Discussion 3.1 WEDM Surface 3.2 Co–Cr Coated Surface 3.3 Laser Peened Surface 3.4 Plain Stainless Steel Implant Material 3.5 SEM Analysis 4 Conclusions References Experimental Characterization of CNSL-Epoxy Resin Reinforce Natural Fiber 1 Introduction 2 Experimental Method 3 Result and Discussion 3.1 Tensile Characterization 3.2 Impact Characterization 3.3 Flexural Characterization 4 Conclusions References Development of an Oil Palm Basal Stem Rot Disease Detection Model Via Machine Vision with Optimized Inception-Based Convolutional Neural Network 1 Introduction 2 BSR Symptoms 2.1 BSR Stages 3 BSR Detection 3.1 Manual Inspection 3.2 Biochemical Method 3.3 Odor Sampling 3.4 Hyperspectral Imaging 3.5 Thermal Imaging 3.6 Terrestrial Laser Scanning 3.7 Machine Vision on Detection of Leaf Spots and Blight Spots in Date Palms 4 Proposal of BSR Detection in Oil Palm by Machine Vision 4.1 Sample Collection and Image Preprocessing 4.2 Feature Extraction 4.3 Deep Learning Algorithm 4.4 Pseudo-Code 5 Research Gap References Effect of the Hardness in Al/TiB2 MMC with Sand Mould and Permanent Mould 1 Introduction 2 Experimental Work 2.1 Permanent Mould 2.2 Sand Mould 2.3 Specimen for Microstructure 2.4 XRD Specimens 2.5 Hardness Test 3 Results and Discussion 3.1 Micro Structural Investigation of Permanent Mould and Sand Mould Castings of Al/TiB2 3.2 Comparison of Hardness of Al/TiB2 MMC Cast in Sand and Permanent Moulds 4 Conclusions References Studies of Effects of Pollutants M Sand, Wood Ash, Rice Husk Ash and Graphene on Mechanical Properties of Recycled Aluminium 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 Elementary Composition 3.2 Tensile and Hardness Properties 3.3 Microstructural Analysis 4 Conclusions References Comparisonal Analysis of “V” Punches with Various Radii and Its Impact on the Steel Material Used for Sheet Metal Operations 1 Introduction 2 Materials and Methods 2.1 Analysis Setup 2.2 Experimental Setup 3 Results and Discussion 3.1 MATLAB—Neural Network Simulation 4 Conclusions References Study of Improvement in Mechanical Properties of Chemically Treated Hybrid Fibre-Reinforced Polymer Composites 1 Introduction 2 Materials and Method 2.1 Materials 2.2 Methods 3 Mechanical Properties of Hybrid Composites 4 Thermogravimetric Analysis (TGA) 5 Results and Discussion 5.1 Effect of Fibre Surface Treatment 5.2 Effect of Treated Hybrid Reinforcement on Mechanical Properties of Composites 6 Graphical Representations 7 Effect of Temperature Difference on Composites 8 Conclusion References Comparative Study of Mechanical Strength and Piezoelectric Coefficient of Post-processed Polyvinylidene Fluoride Nanofibrous Films 1 Introduction 2 Experimental Methods 2.1 Materials 2.2 Preparation of PVDF Nanofibers 2.3 Post-processing Details of PVDF Nanofibers 2.4 Characterization 3 Results and Discussion 3.1 Scanning Electron Microscope Studies 3.2 Mechanical Studies 3.3 Piezoelectric Studies 4 Conclusion References Bidirectional Jute-Reinforced Polyester Composites: Influence of Sodium Bicarbonate Treatment on Static Mechanical Properties 1 Introduction 2 Materials and Method 2.1 Materials and Their Properties 2.2 Sodium Bicarbonate Treatment 2.3 Preparation of Composites 2.4 Mechanical Testings 2.5 Morphological Analysis 3 Experimental Results and Discussion 3.1 Tensile Property 3.2 Flexural Property 3.3 Impact Property 3.4 Morphological Analysis 4 Conclusions References Design of Materials for Sustainability Investigation on Pull-Out Strength and Stripping Torque of Joint Produced by Ultrasonic Insertion and Pre-moulding: A Comparative Study 1 Introduction 2 Materials and Methods 3 Experimentation and Testing 3.1 Ultrasonic Insertion of Metal Insert 3.2 Plastic Injection Moulding of Metal Insert 3.3 Pull-Out Strength and Stripping Torque Measurement 4 Results and Discussion 5 Conclusions References Investigation on Machinability of EN8 Steel Through Taguchi Method, ANOVA and Genetic Algorithm 1 Introduction 2 Materials and Method 3 Experimentation and Testing 3.1 CNC Horizontal Turning Centre 3.2 Measurement of Surface Roughness 4 Results and Discussion 4.1 Development of Surface Roughness and Circularity Error Models 4.2 Analysis of Variance (ANOVA) and Model Fitment Test 4.3 Multi-objective Optimization of CNC Turning Parameters Using Genetic Algorithm 5 Conclusions References Prediction of Strength and Durability Characteristics of Rice Husk Ash Concrete Using Artificial Neural Network (ANN) 1 Introduction 2 Methodology 2.1 Data Collection 2.2 Preprocessing Data 2.3 Building Network 2.4 Testing Network 3 Modeling in ANN 3.1 Specifications of the ANN Model 3.2 Modeling 3.3 Network Performance Characteristics 4 Results and Discussion 4.1 Prediction of 28th Day Compressive Strength 4.2 Prediction of Percentage Water Absorption 4.3 Prediction of UPVT Results 5 Conclusions References Experimental Study on Thrust Force and Wall Angle in Single Point Incremental Forming of Ti6Al4V 1 Introduction 2 Literature Review 3 Experimental Works 4 Results and Discussion 4.1 Forming Force 5 Conclusion References Study and Development of Remote Control Appliances in DailyLife 1 Introduction 1.1 Circuit Diagram Description 1.2 Components Used 2 Features and Testing 2.1 Features 2.2 Infrared Remote Controls 2.3 Controlling the Controls 2.4 Test Working 2.5 Soldering Process 3 Working 4 Modelling 4.1 CAD Model 4.2 AutoCAD Model 4.3 Fabricated Model 5 Cost Estimation 6 Applications 7 Conclusion References Formability Assessment and Process Parameter Optimization in Single Point Incremental Forming of AA2024 1 Introduction 2 Experimental Methods and Materials 2.1 CNC Vertical Machining Centre 2.2 Fabrication of Tool Shape and Type 2.3 Applications of Sheet Metal Components 2.4 Modelling of Desired Design 2.5 Process Parameter Selection 2.6 Toolpaths Generation 3 Results and Discussions 3.1 Mathematical Modelling 3.2 Height of Wall 3.3 Forming Depth up to Fracture Limit 3.4 Flow Stress 3.5 Axial Forming Force 3.6 Influence of Ease-to-Form Material with Concerning Output Responses 3.7 Numerical Optimization of Process Parameters 4 Conclusion References Bio-inspired Design and Optimization of Motor Body of an Electronic Lock Using Taguchi DOE-FEA-GA Integration Technique 1 Introduction 2 Materials and Methods 2.1 Part Dimensions and Assembly 2.2 Material Properties 2.3 Identification of Failure 2.4 Test Specimen 2.5 Loads Acting 2.6 Stress Analysis 2.7 Bio-inspired Designs 3 Finite Element Analysis of Designs 3.1 Development of Regression Model for Factor of Safety 3.2 Structural Analysis of Designs 3.3 Optimization of Design 3.4 Variance Analysis of Nonlinear Model of FOS 3.5 Design Optimization Through Genetic Algorithm 4 Results and Discussion 5 Conclusions and Future Work References Machinability and Surface Integrity Characteristics in Hard Turning of High Hardened Steels Using Different Types of Inserts 1 Introduction 2 Experimental Setup 3 Machine Setup 4 Result and Discussions 4.1 Arithmetic Mean Roughness (Ra) 4.2 Tool Wear 4.3 Tool Wear Rate and Cutting Temperature 4.4 MRR 5 Optimization 6 Conclusions References Analysis of Impact Strength on Polymer Matrix Composites Using Projectile Parameters for Combat Vehicle Application 1 Introduction 2 ANSYS Modeling 3 Composite Damage Model for Impact 3.1 Intra-Laminar Failure 3.2 Damage Evolution Model 4 Results and Discussion 5 Conclusions References Design and Development of Portable Blender Cum Heater 1 Introduction 2 Methodology 2.1 Material Selection by Ashby Chart 2.2 CAD Modeling 2.3 Analysis 2.4 Power Requirement 2.5 Failure Mode and Effects Analysis (FMEA) 3 Results and Discussions 4 Conclusions References Design and Performance Optimization of Electric Resistance Furnace Using ANSYS Simulation Software 1 Introduction 2 Design Procedure and Simulation 3 Simulation 3.1 Mesh Convergence (Mesh Sensitivity) and Number of Iteration and Duration 3.2 Consistency Test to Minimize Redundant Computations 4 Experimentation 5 Results and Discussion 5.1 Simulation Results for Validation by Physical Tests 5.2 Practical Test Results 5.3 Parametric Optimization Results 5.4 Discussions 5.5 Computing Furnace Efficiency 6 Conclusion References Numerical Studies on VMC Base Made of Epoxy Granite 1 Introduction 2 Numerical Studies on Existing VMC Base 2.1 Structural Analysis of Existing Base 2.2 Modal Analysis of Existing Base 3 Numerical Studies on Epoxy Granite VMC Base 3.1 Structural Analysis of EG Base 3.2 Modal Analysis of EG Base 4 Numerical Studies on Steel-Reinforced Epoxy Granite VMC Base 5 Conclusions References Experimental Investigation on the Influence of Cutting Parameters During Dry Machining of Ti–6Al–4V 1 Introduction 2 Materials and Method 2.1 Experimental Setup 2.2 Design of Experiments 3 Results and Discussion 3.1 Optimization Using RSM 4 Conclusion References Experimental Investigation on EN 19 Substrate Weld Cladded with Austenitic Stainless Steel for Improvement of Material Properties 1 Introduction 2 Design Modeling of Weld Cladding 3 Cladding Process 4 Results and Discussion 5 Conclusion References Experimental Investigations of Composite Material Using Bamboo Fiber Reinforced with Polypropylene Plastic Additives 1 Introduction 2 Selection of Materials and Methods 2.1 Methodology 2.2 Selection of Materials 3 Results and Discussion 3.1 Composite 1 or Sample 1 3.2 Composite 2 or Sample 2 3.3 Composite3 or Sample 3 3.4 Results and Comparisons 4 Conclusion References Manufacturing and Industrial Engineering Effective Manpower Effort Reduction and Improving the Efficiency of Order Picking Process Using Class-Based Method in a Fabric Store 1 Introduction 2 Methodology 3 Analysis of Manpower in the Fabric Store 3.1 Responsibilities of the Load Man in the Fabric Store 3.2 Spaghetti Diagram 3.3 Time Study—Manpower 4 Visual Analysis of Order Picking Process 4.1 Existing Fabric Store Layout 4.2 Value Stream Mapping 4.3 Cause and Effect Diagram 4.4 Simulation 5 Effort Reduction and Redesign Storage Location 5.1 Time Study in a Fabric Store 5.2 Theoretical Operator Efficiency Calculation 5.3 Kaizen Proposal for Manpower Effort Reduction in the Fabric Store 5.4 Storage Location Redesign Based on the FSN Method 5.5 Future State Value Stream Mapping 6 Results and Discussion 6.1 Comparison of Value Stream Mapping 7 Conclusion References Optimization of Tungsten Inert Gas Welding Process Parameters on AA6013 1 Introduction 2 Literature Review 3 Design of Experiments 3.1 Taguchi Method 3.2 Design of Experiments 3.3 Selection of Filler Metal 3.4 Working Range of Selected Process Parameters 4 Experimentation 5 Mathematical Model 5.1 Regression Analysis 6 Conclusion References Experimental and Simulation Study on Deep Drawing Process to Reduce Earing 1 Introduction 1.1 Deep Drawing Process 1.2 Earing 2 Experiment Methods and Materials 2.1 Tooling and Equipment for Drawing 2.2 Parameters Considered to Reduce Earing 2.3 Simulation Procedure 3 Theoretical Study on Deep Drawing 3.1 Tool Dimensions for Deep Drawing Experiment 3.2 Theoretical Calculation 3.3 Blank Holding Force 3.4 Percentage Reduction 3.5 Actual Calculation 4 Simulation Study 4.1 Ear Height Calculation 4.2 Procedure to Modify the Blank Shape 4.3 Model Calculation to Find New Radius 4.4 Modified Blank 4.5 Simulation Steps 4.6 Simulation Result 5 Experimental Study 5.1 Initial Stage of Modification 5.2 Second Stage of Modification 6 Results and Discussion 6.1 Percentage of Ear Height 6.2 Cup Formed from Original Blank 6.3 Cup Formed from Modified Blank 6.4 Percentage Reduction in Ear Height 7 Conclusion References Design Modification of Robotic Arm for Incremental Sheet Metal Forming 1 Introduction 1.1 Robotic Arm 1.2 Types of Robotic Arm 1.3 Incremental Sheet Metal Forming 1.4 Types of Incremental Sheet Forming 2 Design of Robot 2.1 Base 2.2 Rotating Column 2.3 Arm Unit 1 2.4 Housing Unit 2.5 Arm Unit 2 2.6 Wrist Unit 3 Design Modifications in Robotic Arm 3.1 Design 3.2 Motion Study Results 4 Design Modification in Fixture 4.1 Design of Fixture 4.2 Parts of the Fixture 4.3 Thermal Analysis of Fixture 4.4 Results of Thermal Analysis 5 Fabrication of Prototype 5.1 Functioning of the Prototype 5.2 Parts Used 5.3 Coding 5.4 Cost Estimation 6 Conclusion References A Framework for Timely Delivery of Serviced Vehicles in Automotive Service Garages Using a Rough—DEMATEL Technique 1 Introduction 2 Barriers to Prompt Delivery of a Vehicle in a Service 3 Methodology 3.1 Data Collection 3.2 Rough DEMATEL Approach 4 Application of the Proposed Methodology 5 Result and Discussions 6 Implications of the Study 7 Conclusions and Scope for Future Research References Expert Analysis for Multi-criteria Human-in-the-Loop Input Selection for Predictive Maintenance Model 1 Introduction 2 Literature Review 2.1 Human-in-the-Loop in Machine Learning 2.2 Potential Human-in-the-Loop Parameter 3 Methodology 4 Results and Discussion 4.1 Reliability Test 4.2 Descriptive Analysis 4.3 Delphi Technique 4.4 PdM Model with HITL 5 Conclusion References Development of Anti-siphoning Model by Automatic Identification System for Marine Security 1 Introduction 1.1 Background 1.2 Problem Statement 2 Literature Review 2.1 Ship-to-Ship Fuel Transfer 2.2 STS Fuel Standards and Patterns 2.3 Illegal Activities on STS Fuel Transfer 3 Methodology 3.1 General Architecture of Detecting System 3.2 AIS Data Collection 3.3 Parameter for the Detecting System 4 Result and Discussion 4.1 Development of Logic-Filter Framework 4.2 Filtered Result 4.3 Robustness of Siphoning Detection 4.4 Validation Problem 5 Conclusion and Future Work References Analysing the Primary Influential Factors in Cement Manufacturing Industry Using DEMATEL Methodology 1 Introduction 2 Methodology 2.1 Site Survey 2.2 DEMATEL Method 3 Result and Discussions 4 Conclusion and Implications of the Study References Effect of Heat Treatment on Mechanical Properties of Stir-Casted Al7075-SiC Composites 1 Introduction 2 Materials and Methods 2.1 Matrix Material 2.2 Reinforcement 2.3 T6 Heat Treatment 2.4 Experimental Setup 3 Results and Discussion 3.1 Hardness Tests 3.2 Tensile Tests 3.3 Wear Tests 3.4 Microstructural Evaluation 4 Conclusions References Machinability Studies on Boron Carbide and Graphite Reinforced Al7029-Based Hybrid Composites 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Fabrication of Composites 3 Results and Discussions 3.1 Effect of Machining Parameters and Cutting Tool on Al7029+B4C Sample and Al7029+10%B4C–5% Gr 3.2 Optimal Combination Using ANOVA on Al7029+10%B4C Sample 3.3 Optimal Combination Using ANOVA on Al7029+10%B4C-5% Gr Sample 4 Conclusions References Investigation of Microscale Plastic Deformation Behavior of Copper Microgear in Forward Microextrusion Process 1 Introduction 2 Materials and Method 2.1 Material Processing 2.2 Material Characterization 2.3 Microextrusion System 3 Results and Discussion 3.1 Material Deformation Behavior 3.2 Microhardness Evaluations 4 Conclusions References Electric Discharge Drilling of Ti-6Al-4 V with O2 as Dielectric Medium 1 Introduction 2 Method of Research and Material 3 Results and Discussion 3.1 Statistical Analysis Results 3.2 Optimization of Drilling Parameters 4 Conclusions References Optimum Tool Traverse Speed Resulting Equiaxed Recrystallized Grains and High Mechanical Strength at Swept Friction Stir Spot Welded AA7075-T6 Lap Joints 1 Introduction 2 Material and Method 3 Results and Discussion 3.1 Metallurgical Characterization at SZ 3.2 Weld Strength 4 Conclusions References Establishing Flow and Improving Flow Velocity in Manufacturing Systems—Pointers from Theory of Constraints 1 Introduction 2 Problems in Lean (Pull versus Flow) 3 Theory of Constraints 4 Establishing Flow 5 Increasing the Flow Velocity 6 Conclusion References Buffer Sizing, Resizing and Monitoring in TOC DBM Approach with Respect to Seasonal Products—A Simulation Study 1 Introduction 2 Components of Demand 3 TOC Approach to Managing Inventory 3.1 Ordering Policy 3.2 Buffer Sizing Policy 3.3 Stock Level Monitoring Policy 3.4 Buffer Resizing Policy 4 Simulation Experiment Design 5 Conclusion References Thermal and Fluid Sciences for Sustainability Start/Stop Behavior of Indian Two-Wheeler Commuters in Traffic Signals: Repercussions and Propositions 1 Introduction 2 Methods 2.1 Study Sample 2.2 Sample of the Study 3 Results and Discussion 4 Experimental Study and Observations 5 Conclusions References Design and Development of River Water Trash Collector for a Sustainable Environment 1 Introduction 2 Methods 3 Analysis of the Product 4 CAD Modeling 5 Simulation and Analysis 6 Cost Estimation 7 Conclusion 8 Future Scope References Comparison of Sensor-Controlled Hybrid Electric Vehicle Controlled by PID-P&O MPPT and PID-INC MPPT 1 Introduction 2 Block Diagram Explanation of Proposed Vehicle 3 PID Controller Fed MPPT Trackers 3.1 Perturb and Observe MPPT 3.2 Incremental Conductance MPPT 4 Simulation of Proposed Electric Vehicle 5 Conclusions References ANFIS Prediction Using Neuro-Fuzzy Model of Experimental Study on Concentric Tube Heat Pipe Heat Exchanger Using Acetone 1 Introduction 2 Experimentation Details and Procedure 2.1 Design Details 2.2 Experimental Procedure 2.3 Uncertainty Study 3 Results and Discussion 3.1 Neuro-Fuzzy Model 3.2 Analysis of Variance 4 Conclusions References Experimental Investigation on the Effect of DEE Addition in a Biogas-Biodiesel and Biogas-Diesel Fueled Dual-Fuel Engine 1 Introduction 2 Methodology 3 Analysis of Engine Performance and Emission Characteristics 4 Results and Discussion 4.1 Brake Thermal Efficiency (BTE) 4.2 Brake-Specific Energy Consumption (BSEC) 4.3 Volumetric Efficiency (VE) 4.4 Hydrocarbon Emissions (HC) 4.5 Carbon Monoxide Emissions (CO) 4.6 Nitrogen Dioxide Emissions (NOx) 5 Conclusions References A Comprehensive Thermodynamic Evaluation of a Geothermal Power Plant Coupled with Organic Rankine Cycles at Full and Part Loads 1 Introduction 2 Methodology 3 System Description 4 Model Formulation 5 Model Validation 6 Results and Discussion 7 Conclusions References Numerical Investigations on the Flow Characteristics of Dual Cavity in a Strut-Based Scramjet Combustors 1 Introduction 2 Configuration of DLR Supersonic Combustion Ramjet Combustor 3 Numerical Methodology 3.1 Computational Domain Modeling 3.2 Mathematical and Numerical Modeling 3.3 Boundary Conditions 3.4 Combustion Modeling 3.5 Validation 4 Results and Discussion 5 Conclusions References Performance Analysis of Vortex Tube Refrigeration System by Experimental Method 1 Introduction 1.1 Cold Mass Fraction 1.2 Cold Air Temperature Drops 1.3 Hot Air Temperature Rise 2 Artificial Neural Networks 3 Results and Discussion 4 Conclusion References Investigational on Biodiesel Exploitation Orange Peel Oil After CI Engine 1 Introduction 2 Methodology 3 Experimental Setup 4 Results and Discussion 4.1 Performance Analysis 4.2 Specific Fuelconsumption 4.3 Emission Analysis 4.4 NOx Emission 4.5 CO Emission 4.6 HC Emission 4.7 Combined CO, HC and NOx Emission 5 Conclusions References MATLAB Simulation of 500 W Direct Methanol Fuel Cell Stack 1 Introduction 2 Objective 3 Methodology 4 Simulation Analysis 4.1 REAL Fuel Cell Load Current in Transient State—Simulation 5 Result and Discussion 6 Conclusions References Numerical Investigation on Heat Transfer Enhancement in Microchannels Through Micro-orifice Induced Cavitation 1 Introduction 2 Modelling 2.1 Flow Domain 2.2 Meshing 2.3 Governing Equations 2.4 Validation 3 Results and Discussion 4 Conclusions References Impact of Surface Roughness on the Aerodynamic and Aeroacoustic Performance of the Darrieus Wind Turbine 1 Introduction 2 Problem Definition 3 Methodology 3.1 Computational Domain and Mesh Details 3.2 CFD Settings 3.3 Grid Independence Test 4 Result and Discussion 5 Effects of Surface Roughness 6 Conclusion References Parametric Studies on Screen-Splitted Air-Conditioned Room for Reduced Energy Consumption 1 Introduction 2 Experiment Details 3 Results and Discussion 4 Conclusions References