@misc{OckerGeyerCzwielongetal., author = {Ocker, Christof and Geyer, Thomas and Czwielong, Felix and Kr{\"o}mer, Florian and Becker, Stefan and Merkel, Markus and Pannert, Wolfram}, title = {Experimental Investigation of the Impact of 3D-Metal-Printed Perforated Leading Edges on Airfoil and Axial Fan Noise}, series = {26th AIAA/CEAS Aeroacoustics Conference, Virtual Event, 14 - 19 June 2020, virtual event}, journal = {26th AIAA/CEAS Aeroacoustics Conference, Virtual Event, 14 - 19 June 2020, virtual event}, doi = {10.2514/6.2020-2529}, language = {en} } @misc{OckerCzwielongGeyeretal., author = {Ocker, Christof and Czwielong, Felix and Geyer, Thomas and Chaitanya, Paruchuri and Merkel, Markus and Becker, Stefan}, title = {Permeable Structures for Leading Edge Noise Reduction}, series = {27th AIAA/CEAS Aeroacoustics Conference 2021, Virtual Event, August 2 - 6 2021}, journal = {27th AIAA/CEAS Aeroacoustics Conference 2021, Virtual Event, August 2 - 6 2021}, doi = {10.2514/6.2021-2192}, language = {en} }