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Dive into the research topics where F. Di Felice is active.

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Featured researches published by F. Di Felice.


Experiments in Fluids | 1991

Experimental testing of Taylor's hypothesis by L.D.A. in highly turbulent flow

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

Analysis of the Propeller-hull Interaction by LDV Phase Sampling Techniques

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

Investigation of the near wake of a propeller using particle image velocimetry

A. Cotroni; F. Di Felice; G. P. Romano; M. Elefante


Journal of Ship Research | 2004

Experimental investigation of the propeller wake at different loading conditions by particle image velocimetry

F. Di Felice; D. Di Florio; Mario Felli; G. P. Romano


Experiments in Fluids | 2000

Propeller wake flowfield analysis by means of LDV phase sampling techniques

A. Stella; G. Guj; F. Di Felice


Experiments in Fluids | 2011

Simultaneous size and velocity measurements of cavitating microbubbles using interferometric laser imaging

Giovanni Lacagnina; Silvano Grizzi; Massimo Falchi; F. Di Felice; G. P. Romano


Journal of Visualization | 2002

Comparison between PIV and LDV techniques in the analysis of a propeller wake

Mario Felli; D. Di Florio; F. Di Felice


International Journal of Offshore and Polar Engineering | 1999

Experimental study of breaking wave flow field past a submerged hydrofoil by LDV

P. De Blasi; F. Di Felice; Francesco Lalli; G. P. Romano


Archive | 2009

Investigations on micro-bubble velocity and size in a water jet using Interferometric Laser Imaging

G. P. Romano; F. Di Felice; Giovanni Lacagnina; Silvano Grizzi


Journal of Visualization | 2003

Mean and turbulent flow field in the wake of a ship model by LDV

Mario Felli; F. Di Felice

Collaboration


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G. P. Romano

Sapienza University of Rome

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Mario Felli

National Research Council

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Silvano Grizzi

National Research Council

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A. Cotroni

Sapienza University of Rome

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A. Stella

Sapienza University of Rome

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Antonio Cenedese

Sapienza University of Rome

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Francesco Lalli

Sapienza University of Rome

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G. Guj

Roma Tre University

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Massimo Falchi

Sapienza University of Rome

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