REQUIRMENT SPECIFICATIONS PRESENTATION
- 2. LOW SPEED SUB SONIC WIND TUNNEL PRESENTED BY: ALI BIN QAMAR (3564) FAHAD JAVAID (3664) NOMAN WAHEED (3677) TALHA ALI (3775) ADVISOR: ENGR. NAJEEB JAFRI SDP 1 - REQUIREMENT SPECIFICATION
- 3. INTRODUCTION PROBLEM ANALYSIS ASSUMPTIONS ADDITIONAL FEATURES FUNCTIONALITY LITERATURE REVIEW ENVIRONMENTAL FACTORS MINIMUM ACCEPTABLE STANDARDS CONCLUSION ROADMAP
- 4. INTRODUCTION AIM WIND TUNNEL FOR OBSERVING MANEUVERS AND IMPACT OF RELATIVE AIR FLOW ON AN AIRFOIL. OBJECTIVE TO BUILD A WIND TUNNEL INDICATION OF DIFFERENT PROPERTIES ASPECT RATIO CALCULATION SCALED DOWN AIRFOIL TO CHECK AERODYNAMIC PARAMETERS
- 5. PROBLEM ANALYSIS KIET STUDENTS ARE FACING PROBLEMS SPECIAL DEPARTMENT DESIGN AND STRUCTURE OF TUNNEL THE ACT OF AERODYNAMIC FORCES DIFFERENT DESIGNS HAVE DIFFERENT EFFECTS LIMITATIONS AS PER STRUCTURE
- 6. ASSUMPTIONS FLUID FLOW IS LAMINAR FLUID MASS FLOW IS CONSTANT CONSTANT DENSITY OF FLUID SEA LEVEL CONSTANT PRESSURE DIFFUSER SECTION CONSTANT TEMPERATURE
- 7. ADDITIONAL FEATURES VARIOUS DIGITAL DISPLAYS DIRECT CALIBRATION OF SPEED TO M/S DIFFERENT SYSTEM OF UNITS ROBUST MODEL COMPATIBILITY TO CONVERT INTO CLOSE LOOP
- 8. ENVIRONMENTAL FACTORS WORK SPACE OBSTRUCTION FREE OUTSIDE PRESSURE CONSTANT TEMPERATURE VARIATION IS LESS
- 9. POWER SUPPLY REGULATOR BLOWER (RPM) HONEY COMB AOA CONTROL MECHANISM MOTOR CONTROLLER ACTUATOR FEEDBACK ERROR PRESSURE MEASUREMENT AIRSPEED MEASUREMENT OUTLET BLOCK DIAGRAM
- 10. FUNCTIONALITY
- 11. LITERATURE REVIEW PIC Atmel 8051 Cost Moderate Cheap Programing language Assembly, C and VB Assembly, C and VB Built-in module ADC, USB, UART PWM None Market Availability Easily Available Easily Available Simulator Proteus Proteus
- 12. LITERATURE REVIEW Selected Motor : Servo Stepper Servo Driving circuit for accuracy Needs additional circuitry Not required Noise Often Rare Speed Slow Fast Load capacity Can lift medium load Can lift high load Additional circuitry Needs for closed loop Built in feedback circuit cost Cheap Expensive
- 13. MINIMUM ACCEPTABLE STANDARD VARIABLE AOA MEASUREMENTS PRESSURE MEASUREMENT AIRSPEED MEASUREMENTS DIGITAL DISPLAY OUTPUT UP TO 70% TO 80%
- 14. ATTITUDE CHANGE DISPLAY RAF REGULATION AOA CALCULATION HELP FOR LEARNERS CONCLUSION