Answer the following problems in detail.
problem 1) With the help of appropriate diagrams and exs, describe external flow and internal flow for a body. Apply Bernoulli’s equation to determine pressure coefficient in terms of velocity and plot C_{p}V_{s} x/l for a vehicle shaped body on upper and lower side.
problem 2) Describe in details about strategies for aerodynamic development of cars in terms of detail optimization, shape optimization and drag reduction methods.
problem 3) Describe in details the optimization analysis of forebody, windshield and roof of a vehicle.
problem 4) Describe the effect of aerodynamic forces on lateral deviation of a vehicle and also expalin the equation for evaluation of the influence of side force, weight and aerodynamic lever arm length.
problem 5) Draw a neat and well labelled sketch of a wind tunnel and describe the functions of various parts.
problem 6) With the help of a neat and well labelled sketch. Describe the procedure to measure aerodynamic forces and moments by wind tunnel balances.
problem 7) describe the origin of forces and moments on a vehicle and discuss the effect of natural and artificial side-wind gusts.