1According to the von Karman integral momentum approach for a flat plate boundary layer, the wall shear stress is proportional to the rate of change of which boundary layer property?
2For a laminar incompressible flow over a flat plate with a linear velocity profile (u/U = y/delta), what is the ratio of displacement thickness to boundary layer thickness (delta*/delta)?
3Which of the following conditions must be satisfied for a flow to be considered mathematically incompressible based on its velocity vector V?
4Pohlhausen (1921) proposed five boundary conditions for the velocity profile u(y) to ensure smooth merging with the freestream. Which of the following are included in those five conditions?
5In a laminar pipe flow with a parabolic velocity profile u = u_max * [1 - (r/R)^2], what is the value of the kinetic energy correction factor (alpha)?
6If a flow field is defined by the velocity vector V = 2xt i - 2yt j, what is the magnitude of the acceleration at the point (2, 2) at time t = 0?
7In Pohlhausen's quartic polynomial analysis for flow over a flat plate, flow separation occurs when the pressure gradient parameter (Lambda) reaches what value?
8When comparing a turbulent boundary layer (1/7th power law) to a laminar boundary layer on a flat plate, which statement is true regarding the shape factor H = delta*/theta?
9Dimensional analysis of the pressure drop (delta p) across a pipe contraction involving variables rho, mu, V, D1, and D2 results in how many independent dimensionless Pi groups?
10Which of the following describes the 'no-slip' condition in aerodynamics?