16885J/ESD35J-ct1,2002 Transonic effects on airfoil c. c 1.0 M<1 M<M M<1 I Mcr<M<Mo M<1 divergence16.885J/ESD.35J - Oct 1, 2002 Transonic Effects on Airfoil Cd, Cl Cd M cr Mdrag divergence M 81.0 M < M8cr V 8 V 8 Region I. II. III. I. II. III. M > Mdrag divergence 8 Mcr < M < Mdrag divergence 8 M<1 M<1 M>1 M>1 M<1 Separated flow