Docente
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MARINO LUCA
(programma)
1. Introduction to the course. 2. Angular velocity. Vorticity. Circulation. Kelvin theorem. 3. Biot-Savart law Induced velocity by a straight vortex. Irrotational flow. Bernoulli equation. 4. Basic solutions of the Laplace equation. Source. Doublet. Potential vortex. 5. General solution of the potential flow problem. Green function. Boundary conditions. 6. Potential flow on a wing. Small perturbation problem. Linearization. 7. Potential flow around an airfoil. Glauert solution. Two dimensional unpowered flaps theory 8. Pressure coefficient on wing section. Linearized approach 9. Main characteristics of the stall phenomenon on an airfoil. 10. General solution for the lifting line theory. 11. Lifting line for finite wing. Elliptical distribution. 12. Monoplane equation. Basic and additional aerodynamic load 13. Monoplane equation: Exercise. Schrenk method. CLMax of a wing. 14. Aerodynamic Center of a Wing 15. Nonlinear lifting line theory, effect of the wake on the maximum lift coefficient 16. Additional apparent mass. 17. Jones and Polhamus theory for delta wings. 18. Aerodynamic center of a wing. Position of the center of pressure. 19. Example of panel codes. Introduction to the analysis of the aerodynamic drag. 20. Soluzioni esatte di Navier-Stokes. Couette-Poisuille. Boundary layer equations. 21. Thickness of boundary layer. Separation 22. Blasius theory of boundary layer. Applications. 23. Boundary Layer control: Asymptotic suction. 24. Integral equation for the boundary layer. 25. Integral equation for the boundary layer. 26. Wave drag. Transonic flow. Corning method 27. Pressure drag. Aircraft drag polar. Equivalent parasite area. 28. Fluid Stability: Orr-Sommerfeld equation. 29. Introduction to the propeller geometry and characteristics 30. Analysis of fluid stability example 31. Momentum theory for the propeller 32. Blade element theory for the propeller. Excercise. 33. The choice of the propeller 34. Aeroacoustics principles
1 Barnes W. McCormick, Aerodynamics of V/STOL Flight, Dover, 1998. 2 Joseph Katz, Allen Plotkin, Low-Speed Aerodynamics, McGraw-Hill. 3 H. Schlichting, Boundary Layer Theory. Springer 4 Barnes W. McCormick, Aerodynamics Aeronautics and Flight Mechanics, Wiley, 2002. 5 E.L. Houghton, P.W. Carpenter, Aerodynamics for Engineering Students, Butterworth, Heinemann, 2003.
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