# Aerodynamics I AE2251 ND2012 Question Paper

Anna University Question Paper Code :11020
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012.
Fourth Semester
Aeronautical Engineering
AE 2251/111401/AE 421AE 1251/10122 AE 402/080180011 — AERODYNAMICS — I (Regulation 2008)

PART A — (10 x 2 = 20 marks)

2. What are the applications of Bernoulli's equations in aerodynamics?
3. Give the equations of stream lines and the potential lines when the flows are parallel to X axis and Y. axis.
4. Define Doublet. Give the streamline for doublet.
5. Explain lift in an aerofoil with respect to Kutta Joukowshi's theorem.
6. Define Kutta Condition with the help of a diagram.
7. What are the applications of thin aerofoil theory?
8. What are the limitations of lifting line theory?
9. Write the Navier Stokes equation for a cylindrical coordinate system.
10. What is the Blasius solution for a flow over a flat plate at zero angle of attack?

PART B (5 x 16 = 80 marks)

11. (a) Derive Continuity equation in integral form. (16)
Or
(b) Explain the drag of a two dimensional body using momentum equation. (16)