Vortex-induced vibrations of a DU96-W-180 airfoil at 90° angle of attack Skrzypiński, Witold ; Gaunaa, Mac ; Sørensen, Niels ; Zahle, Frederik ; Heinz, Joachim Abstract Publication: Wind Energy Pub Date: October 2014 DOI: 10.1002/we.1647 Bibcode: 2014WiEn...17.1495S