1) Describe the structure of incompressible turbulent flows of an atmospheric boundary layer with detailed diagram.
2) Explain the effect of terrain on gradient height, with neat illustrations.
3) List out the significant differences between the horizontal axis and vertical axis wind energy collectors.
4) Explain the term Betz coefficient? How is it calculated by the momentum theory?
5) Define the following term:
a) Aerodynamics of the trains
b) Estimation of drag coefficients of automobiles.
6) Describe the effects of cutback angle in the vehicle aerodynamics. Explain a note on the aerodynamics of Hovercraft in brief.
7) Explain the pressure distribution on the typical low rise buildings. How will you calculate approximately the aerodynamic loads on such buildings? Explain factors that are included in the design of building ventilation?
8) Explain how are special aerodynamic problems pertaining to the tall buildings dealt with? Explain an account of the environmental winds in the city blocks.
9) Explain the effect of Reynold’s number on the shape and size of the wake made behind the bluff bodies facing a uniform free stream. List out the important attributes of the external flow over the body surface involving the flow separation.
10) Explain the following topics in brief:
a) Stall flutter
b) Vortex induced vibrations.