F. Di Felice
Sapienza University of Rome
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Publication
Featured researches published by F. Di Felice.
Experiments in Fluids | 1991
Antonio Cenedese; G. P. Romano; F. Di Felice
A new configuration for the transmitting optics of a laser Doppler anemometer has been developed in order to measure the velocity at two different points at the same time. From the simultaneous measurements at two points along the mean flow direction it is possible to evaluate the spatial correlations and to compare them with the temporal correlation to verify the validity limits of Taylors hypothesis also known as the frozen turbulence hypothesis. The transfer function between the velocity signals at two different points has been introduced to better explain the differences between Taylors hypothesis and non frozen flow. The analysis is carried out in a flow with high turbulence levels.
Journal of Visualization | 2004
Mario Felli; F. Di Felice
In the present paper the results of the wake survey in two stern sections of a twin screw ship model, located just upstream the propeller disk and behind the directional rudder, are presented. Experiments have been performed in a large towing tank by using a Laser Doppler Velocimeter and phase sampling techniques, in order to analyse wake evolution with the propeller angular position. The main features of the propeller installation are highlighted as well as the strong and complex interaction of the propeller with the hull wake, especially in the brackets region and down stream the directional rudder.
Experiments in Fluids | 2000
A. Cotroni; F. Di Felice; G. P. Romano; M. Elefante
Journal of Ship Research | 2004
F. Di Felice; D. Di Florio; Mario Felli; G. P. Romano
Experiments in Fluids | 2000
A. Stella; G. Guj; F. Di Felice
Experiments in Fluids | 2011
Giovanni Lacagnina; Silvano Grizzi; Massimo Falchi; F. Di Felice; G. P. Romano
Journal of Visualization | 2002
Mario Felli; D. Di Florio; F. Di Felice
International Journal of Offshore and Polar Engineering | 1999
P. De Blasi; F. Di Felice; Francesco Lalli; G. P. Romano
Archive | 2009
G. P. Romano; F. Di Felice; Giovanni Lacagnina; Silvano Grizzi
Journal of Visualization | 2003
Mario Felli; F. Di Felice