Incompressible & Compressible Aerodynamics

(A) 2.00 (B) 1.76 (C) 2.83 (D) 3.14 M1, p1, T1  M2 Consider a steady two dimensional zero-pressure grad ient lami nar flow of air over a flat plate as shown below. The free stream conditions are U ∞ = 100 ms -1, ρ∞ = 1.2 kg m -3, p ∞ = 1 atm and kg m -1s-1. The ratio of displacement thic kness to momentum thickness of the boundary layer at a distance of 2 m from the leading edge is 510 8 . 1   