TY - RPRT TI - Experimental Study of Tip Vortex Flow from a Periodically Pitched Airfoil Section AU - Zaman, KBMQ AU - Fagan, A. F. AU - Mankbadi, M. R. PY - 2016 UR - https://ntrs.nasa.gov/citations/20160004766 ID - 20160004766 ER -