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Christopher Teruna, Leandro Rego, Damiano Casalino, Daniele Ragni and Francesco Avallone
This manuscript presents the application of a recently developed noise reduction technology, constituted by poro-serrated stator blades on a full-scale aircraft model, in order to reduce rotor-stator interaction noise in the fan stage. This study was car...
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Giovanni A. Amaral, Pedro C. Mello, Lucas H. S. do Carmo, Izabela F. Alberto, Edgard B. Malta, Alexandre N. Simos, Guilherme R. Franzini, Hideyuki Suzuki and Rodolfo T. Gonçalves
The present work highlights some of the dynamic couplings observed in a series of tests performed in a wave basin with a scaled-model of a Floating Offshore Wind Turbine (FOWT) with semi-submersible substructure. The model was moored by means of a conven...
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Hans Mårtensson
Integrating a fan with a boundary layer ingestion (BLI) configuration into an aircraft fuselage can improve propulsion efficiency by utilizing the lower momentum airflow in the boundary layer developed due to the surface drag of the fuselage. As a conseq...
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Till M. Biedermann, Pasquale Czeckay, Nils Hintzen, Frank Kameier and C. O. Paschereit
The dominant aeroacoustic mechanisms of serrated leading edges, subjected to highly turbulent inflow conditions, can be compressed to spanwise decorrelation effects as well as effects of destructive interference. For single aerofoils, the resulting broad...
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Manuel Henner, Bruno Demory, Mohamed Alaoui, Maxime Laurent and Benjamin Behey
Two blade curvatures representative of those found in automotive fans are compared. Measured performances are analyzed for forward and backward curved blades, either with or without heat-exchangers placed in front of them. The backward fan demonstrated g...
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