... 'H-R, method for predicting transition', AZAA J., 19, 810412. 420 Aerodynamics for Engineering Students Aerodynamics for Engineering Students Pi 0 .9 0.8 0.7 - 0.6 0.5 - 0.4 ... 0.8 0.7 - 0.6 0.5 - 0.4 - 0.3 - - - U - 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0 0 .9 0.8 0.7 - 0.6 0.5 - 0.4 - 0.3 - - - U - 0 0.1 0.2 0.3 0.4 0.5 0.6 ... method for laminar boundary layers is to use the approximate expressions (7.64a’,b’,c’) with Eqn (7. 59) (or 7 .98 ) rewritten as (H + 2) db’ - Cf V, e dU, - - - - - - - - dx 2...