。High Reynolds number -1000->3x105 Laminar layer and wake development Larger than 3x105 Turbulent transition and drag Less than 1000,unsteady and shedding vortices 15 8 1.0 0.5 0 0 102 103 104• High Reynolds number – 1000->3x105 • Laminar layer and wake development – Larger than 3x105 Turbulent transition and drag – Less than 1000, unsteady and shedding vortices