(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.



Fig. 10. Mean lift (L) and drag (D) coefficients vs Reynolds number (Re). Stroke amplitude ({Phi})=150°, mid-stroke angle of attack ({alpha}m)=40° and non-dimensional duration of wing rotation ({Delta}{tau}r)=1.87 [mean angular velocity of rotation ({varpi})=0.93]; symmetrical rotation.