INTRODUCTION LITERATURE REVIEW RESULTS

CONTENTS CHAPTER SUBJECT PAGE DECLARATION ii DEDICATION iii ACKNOWLEDGEMENT iv ABSTRACT v ABSTRAK vi CONTENTS vii LIST OF TABLES xii LIST OF FIGURES xiv LIST OF FORMULATIONS xvi LIST OF ABBREVIATIONS LIST OF SYMBOLS xvii xviii

CHAPTER I INTRODUCTION

1.1 Project Background

1.2 Problem Statement

1.3 Objectives 1.4 Scope of project 1.5 Summary 1 2 2 3 3

CHAPTER II LITERATURE REVIEW

2.1 Introduction 2.2 Introduction to Propeller 2.2.1 Historical Development of Propeller Theory 4 5 5 CHAPTER SUBJECT PAGE 2.2.2 Airfoil Geometry Parameters 2.2.3 Propeller Airfoil Design 2.2.4 Airfoil Terms 2.3 NACA Airfoil Series 2.4 Concept of Aerodynamics 2.4.1 Aerodynamic Forces and Moments 2.4.1.1 Definition of Lift 2.4.1.2 Definition of Drag 2.4.2 Resultant Aerodynamic Forces on Propeller 2.4.3 Definition of Stall 2.5 Aerodynamic Characteristic of Propeller Propeller Blade Analysis 2.5.1 Downwash Angle, ε b 2.5.2 Section Thrust and Circumferential Force 2.5.3 Total Relative Airspeed 2.5.4 Axial and Circumferential Component of Induced Velocity 2.5.5 Section Lift and Drag 2.5.6 Lift Across Span 2.5.7 Propeller Airfoil Requirement 2.6 Propeller Analysis Method 2.7 Computational Fluid Dynamic 2.7.1 Development of Computational Fluid Dynamic 2.7.2 CFD Simulation SoftwareFluent 2.7.3 CFD Process 2.7.4 CFD Simulation Procedures 2.7.5 Defining a Boundary Condition 6 8 8 11 13 14 15 16 16 18 19 20 20 21 21 22 23 24 24 26 26 28 28 30 34 CHAPTER CHAPTER III SUBJECT METHODOLOGY PAGE 3.1 Introduction 3.2 Project Overview 3.3 Methodology 3.3.1 Propeller Model Xoar 32 x 20 Pusher 3.4 Analytical Methods 3.4.1 NACA 2412 Airfoil 3.4.2 Results 3.5 CFD Simulation 3.5.1 Fluent CFD Simulation Methodology 3.5.2 Creating Model and Domain 3.5.3 Solution Procedure Flow 3.5.4 Spalart Allmaras Turbulence Model 3.5.5 Flow Domain 3.5.6 Meshing and Size Function 3.5.7 Boundary Condition 3.6 Validation 3.6.1 Experimental Data 3.6.2 NACA0012 Geometry 3.6.3 Validation Model 3.6.4 CFD Result 3.6.5 Comparison of Simulation and Experiment Data 35 35 36 36 37 37 40 49 49 50 51 52 53 53 54 55 55 55 58 59 60

CHAPTER IV RESULTS

4.1 Computational Fluid Dynamic Simulation Model and Domain 4.1.1 Grid Settings 4.1.2 General Simulation Parameter 61 62 63 CHAPTER SUBJECT PAGE 4.2 Computational Fluid Dynamic Simulation Results 4.2.1 Total Force and Coefficient 4.2.1.1 Simulation 1 4.2.1.2 Simulation 2 4.2.1.3 Simulation 3 4.2.1.4 Simulation 4 4.2.1.5 Simulation 5 4.2.1.6 Simulation 6 4.2.2 Pressure Contours 4.2.3 Velocity Magnitude and Vector 4.2.4 Behaviors of Velocity Vector at Different Propeller Section and Relative Airspeed 4.2.5 Behaviors of Total Pressure at Different Propeller Section and Relative Airspeed 64 64 64 65 65 66 66 67 67 70 72 74

CHAPTER V ANALYSIS AND DISCUSSION