COURSE - AERODYNAMICS - EG210

INSTRUCTOR - NICK BERTOZZI

FALL 2000

COURSE DESCRIPTION

Study of the atmosphere, elementary dynamics of incompressible fluid flow, compressible flow, laminar and turbulent flow conditions, basic potential flow, airfoil theory, finite wing theory, aircraft propulsion, and static performance. This course pulls together and utilizes the engineering courses taken earlier in the curriculum, particularly Statics, Thermodynamics, and Fluid Mechanics.

COURSE OBJECTIVE

To build on the concepts studied and skills acquired in previous engineering courses and apply these concepts and skills to the solution of problems in Aerodynamics.

TEXTBOOK

FUNDAMENTALS OF FLIGHT, 2nd Ed., Richard S. Shevell

COURSE OUTLINE

Week of:

 CHAPTER TOPIC
Aug. 28 1,2,5,6  Introduction, Standard Atmosphere, Continuity and Bernoulli Equations, Airspeed Measurement, Pitot-Static Tubes, and Isentropic Equations
Sept. 4  7  Compressible Bernoulli Equation, Temperature Equations, and Aerodynamic Heating, Bernoulli Equation comparisons, Mach Waves and Shock Waves, Introduction to Potential Flow Theory
11 8 Continuation of Potential Flow Theory, Free Vortex Flow, Concept of Circulation
18  8,10  Kutta-Joukowski Law for Rotating Cylinder or Airfoil, Concept of Circulation Theory for Airfoil Lift, Boundary Layer Theory
25 10,13,3 Skin Friction Drag, Introduction to Airfoil Theory and Dimensional Analysis
Oct. 2 13,8 Airfoil Data Presentation for Two Dimensional and Three Dimensional Airfoils, Pressure Coefficient and Chordwise Pressure Distributions
9 8,9,14

Relationship Between Lift Coefficient and Pressure Coefficient, Mach Number and Reynolds Number Effects, Three Dimensional Wing Theory, Helmholtz Vortex Laws, Prandtl's Lifting Line Theory, Downwash
16 9 Continuation of Wing Theory, Induced Drag and Induced Angle, Spanwise Efficiency Factors, Conversion Equations from One Finite Wing to Another
23 9,14 Elliptic Planforms, Aspect Ratio Effects, Planform Features, Stalling Speed Calculation, High Lift Devices, Introduction to Wind Tunnel Testing
30 11 Wind Tunnel Testing Cont., Introduction to Drag and Drag Nomenclature, Drag Coefficients of Components, Method for Combining Reference Areas
Nov. 6 11,15 Wetted Area Drag Method, Body Form Factors, Induced Drag for Aircraft, Drag Polar Plots, Terminal Velocity, and Power Required Calculations
13 15 Summary of Aircraft Propulsion and Power Available Curves, Rate of Climb Calculation, Rate of Climb Versus Velocity Plots, Speeds for Max. Rate of Climb and Max. Climb Angle
20 15 Rate of Climb Versus Altitude Plots, Ceiling, Time to Climb, Gliding Flight Range and Endurance Equations for Propeller- Piston Engine, Summary of Results for Turbojet Engine
27 15 Altitude Effects on Power Curves and Performance
Dec. 4   Review
11  

Project Presentations, Final Exam Period

Outcomes:

1) By developing a multi-decision computer algorithm to solve a complex flow problem, students will be able to apply the theories of free and forced vortex flow, circulation theory for airfoil lift, Kutta-Joukowski Law for generation of lift, three dimensional wing theory, Biot-Savart Law for vortex motion, Hemholtz Vortex Laws, Prandtl's Lifting Line theory, downwash, induced drag, induced angle, and spanwise efficiency factors.

2) The student will utilize wind tunnel testing procedures, dimensional analysis, CAD/CAM, and the above theories to design and build a wing with the optimal planform shape for a given airfoil section, span, and aspect ratio.

3) In the implementation of any design there will be problems. The student will also demonstrate the ability to determine the problems with a design and to correct them.

EVALUATION

Take-home and Class Quizzes...........................45%

Wind Tunnel Experiments..................................20%

Aircraft Experiment............................................5%

Computer Project..... .......................................10%

Final ................................................................20%

The following grade scale will be used:

A 92%

A- 90%

B+ 88%

B 82%

B- 80%

C+ 78%

C 70%

D 65%

F 0%

OFFICE HOURS

DW109 D, Ext. 6640, 9:00 - 10:00 AM, MWF, or by appointment, e-mail: bertozzi@dwc.edu.

ATTENDANCE

In this course you will be expected to act in a professional manner. Among other things this includes showing up on time prepared for the task at hand. It should include not just being on time for class and lab, but also for the additional outside meetings you will have with your design project group. To encourage you toward this end, students with perfect attendance will have 3 points added onto their final average. For every unexcused absence you will have 1 point deducted from your final average. (Note that if you are more than five minutes late for class or lab you will be marked absent) On the other hand if I am more than five minutes late for a class, I will add an additional point to the average of each student present.

ACADEMIC HONESTY

While it is assumed that no student/group would submit any material, be it homework, quiz, exam or any other assignment for grading which is not solely her/his own work, the following policy shall be implemented in cases of academic dishonesty:

First offense, all persons involved will receive no credit for the assignment or test.

Second offense, all persons involved will receive a grade of F for the course.