News

2021/02/24: Congratulations to Coleman Moss for receiving a Jonsson School Undergraduate Research Award for his work on modeling wind farm performance with Machine Learning

2020/11/13: Dr. Iungo has received the CAREER Award from NSF CBET Fluid Dynamics!!! (link)

2020/08/26: New NSF MRI project in collaboration with the University of Minnesota-Twin Cities to develop a field-scale imaging system to investigate atmospheric turbulence and aerosol transport (link)

2018/08/20: The UTD BLAST Wind Tunnel is now Fully Operational!  G.V. Iungo design; AIOLOS Engineering; UTD-funded project (link)

 more news

Publications

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2021

Cluster analysis of wind turbine wakes measured through a scanning Doppler wind LiDAR

Romit Maulik, Vishvas Rao, S. Ashwin Renganathan, Stefano Letizia, Giacomo Valerio Iungo. AIAA Scitech 2021 Forum, 1181, 2021. https://doi.org/10.2514/6.2021-1181
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2020

LiSBOA: LiDAR Statistical Barnes Objective Analysis for optimal design of LiDAR scans and retrieval of wind statistics. Part I: Theoretical framework

Stefano Letizia, Lu Zhan, Giacomo Valerio Iungo. Atmospheric Measurement Techniques Discussions, 2020. https://doi.org/10.5194/amt-2020-227, in review.

LiSBOA: LiDAR Statistical Barnes Objective Analysis for optimal design of LiDAR scans and retrieval of wind statistics. Part II: Applications to LiDAR measurements of wind turbine wakes

Stefano Letizia, Lu Zhan, Giacomo Valerio Iungo. Atmospheric Measurement Techniques Discussions, 2020. https://doi.org/10.5194/amt-2020-228, in review.

Spectral Correction of Turbulent Energy Damping on Wind LiDAR Measurements due to Spatial Averaging

Matteo Puccioni, Giacomo Valerio Iungo. Atmospheric Measurement Techniques Discussions, 2020. https://doi.org/10.5194/amt-2020-27, in press.

Optimal Tuning of Engineering Wake Models through LiDAR Measurements

Lu Zhan, Stefano Letizia, Giacomo Valerio Iungo. Wind Energy Science, 5, 1601-1622, 2020. https://doi.org/10.5194/wes-5-1601-2020
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Download here the Matlab code for Optimal Tuning of Wake Models

LiDAR measurements for an onshore wind farm: Wake variability for different incoming wind speeds and atmospheric stability regimes

Lu Zhan, Stefano Letizia, Giacomo Valerio Iungo. Wind Energy, 23 (3), 501-527, 2020, DOI: 10.1002/we.2430
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The full dataset of clustered wakes statistics is available here!

One-way mesoscale-microscale coupling for simulating a wind farm in North Texas: Assessment against SCADA and LiDAR data

Christian Santoni, Edgardo J. Garcia-Cartagena, Umberto Ciri, Lu Zhan, Giacomo Valerio Iungo, Stefano Leonardi. Wind Energy, 23 (3), 691-710, 2020. https://doi.org/10.5194/wes-5-1601-2020
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Wind LiDAR Measurements of Wind Turbine Wakes Evolving over Flat and Complex Terrains: Ensemble Statistics of the Velocity Field

Lu Zhan, Stefano Letizia, Giacomo Valerio Iungo. Journal of Physics: Conference Series, 1452, 012077, 2020. doi:10.1088/1742-6596/1452/1/012077
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Active Aerodynamic Load Control for Improved Wind Turbine Design

D. Todd Griffith, Neal E. Fine, John A. Cooney, Mario A. Rotea, G. Valerio Iungo.  Journal of Physics: Conference Series, 1618 (5), 052079, 2020. doi:10.1088/1742-6596/1618/5/052079
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2019

Large-Eddy Simulations of Oil Droplet Aerosol Transport in the Marine Atmospheric Boundary Layer

Meng Li, Ze Zhao, Yajat Pandya, Giacomo Valerio Iungo, Di Yang. Atmosphere, 10 (8), 459, 2019. https://doi.org/10.3390/atmos10080459
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Wandering Corrections from PIV Measurements of Tornado-like Vortices

Ryan Ashton, Maryam Refan, Giacomo Valerio Iungo, Horia Hangan. Journal of Wind Engineering and Industrial Aerodynamics, 189, 163-172, 2019. https://doi.org/10.1016/j.jweia.2019.02.010
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Wake Characterization of a Multipurpose Scaled Wind Turbine Model

Emmanouil Nanos, Johanne Robke, Florian Heckmeier, Kyle Jones, Michael Cerny, Giacomo Valerio Iungo, Carlo L. Bottasso. AIAA Scitech 2019 Forum, 2082, 2019. https://doi.org/10.2514/6.2019-2082
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2018

Quantification of the axial induction exerted by utility-scale wind turbines by coupling LiDAR measurements and RANS simulations

Giacomo Valerio Iungo, Stefano Letizia, Lu Zhan. Journal of Physics: Conference Series 1037 (7), 072023. DOI: 10.1088/1742-6596/1037/7/072023

Coupling of mesoscale Weather Research and Forecasting model to a high fidelity Large Eddy Simulation

Christian Santoni, Edgardo Javier García-Cartagena, Umberto Ciri, Giacomo Valerio Iungo, Stefano Leonardi. Journal of Physics: Conference Series 1037 (6), 062010. DOI: 10.1088/1742-6596/1037/6/062010

Profitability optimization of a wind power plant performed through different optimization algorithms and a data-driven RANS solver

Vignesh Santhanagopalan, Stegano Letizia, Lu Zhan, Louay Al-Hamidi, Giacomo Valerio Iungo.
2018 Wind Energy Symposium, 2018. DOI: 10.2514/6.2018-2018

Performance optimization of a wind turbine column for different incoming wind turbulence

Vignesh Santhanagopalan, Mario A. Rotea, G. Valerio Iungo, Renewable Energy doi.org/10.1016/j.renene.2017.05.046
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Effects of Subgrid-scale Modeling in the Large-Eddy Simulations of Wind Turbines

Umberto Ciri, Maria Vittoria Salvetti, Kenneth Carrasquillo, Christian Santoni, Giacomo Valerio Iungo, Stefano Leonardi. Direct and Large-Eddy Simulation X, 24, 109-115, 2018. https://doi.org/10.1007/978-3-319-63212-4_13

2017

Parabolic RANS solver for low-computational-cost simulations of wind turbine wakes

Giacomo Valerio Iungo, Vignesh Santhanagopalan, Umberto Ciri, Francesco Viola, Lu Zhan,  Mario A. Rotea, Stefano Leonardi. Wind Energy, 21 (3), 184-197,2017. https://doi.org/10.1002/we.2154
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Quantification of power losses due to wind turbine wake interactions through SCADA, meteorological and wind LiDAR data

Said El-Asha, Lu Zhan, Giacomo Valerio Iungo. Wind Energy, 20 (11), 1823-1839,2017. https://doi.org/10.1002/we.2123
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Flow control of weakly non-parallel flows: application to trailing vortices

Francesco Viola, Erica Pezzica, G. Valerio Iungo, François Gallaire and Simone Camarri. J. Fluid Mech., 822, 342–363, 2017. https://doi.org/10.1017/jfm.2017.281
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Wandering of a Wing-Tip Vortex: Rapid Scanning and Correction of Fixed-Point Measurements

Giacomo Valerio Iungo. Journal of Aircraft, 54 (5), 1779-1790, 2017. https://doi.org/10.2514/1.C034120
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Assessment of Virtual Towers Performed with Scanning Wind LiDARs and Ka-band Radars during the XPIA experiment

Mithu Debnath, Giacomo Valerio Iungo, W. Alan Brewer, Aditya Choukulkar, Ruben Delgado, Scott Gunter, Julie K. Lundquist, John L. Schroeder, James M. Wilczak, and Daniel Wolfe. Atmos. Meas. Tech., 10, 1215-1227, 2017. https://doi.org/10.5194/amt-10-1215-2017
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Towards reduced order modelling for predicting the dynamics of coherent vorticity structures within wind turbine wakes

Mithu Debnath, C. Santoni, S. Leonardi, G. V. Iungo. 

Vertical profiles of the 3-D wind velocity retrieved from multiple wind lidars performing triple range-height-indicator scans

Mithu Debnath, G. Valerio Iungo, Ryan Ashton, W. Alan Brewer, Aditya Choukulkar, Ruben Delgado, Julie K. Lundquist, William J. Shaw, James M. Wilczak, and Daniel Wolfe. Atmos. Meas. Tech., 10, 431-444, 2017. https://doi.org/10.5194/amt-10-431-2017

Identification of tower-wake distortions using sonic anemometer and lidar measurements

Katherine McCaffrey, Paul T. Quelet, Aditya Choukulkar, James M. Wilczak, Daniel E. Wolfe, Steven P. Oncley, W. Alan Brewer, Mithu Debnath, Ryan Ashton, G. Valerio Iungo, and Julie K. Lundquist. Atmos. Meas. Tech., 10, 393-407, 2017. https://doi.org/10.5194/amt-10-393-2017

Evaluation of single and multiple Doppler lidar techniques to measure complex flow during the XPIA field Campaign

Aditya Choukulkar, W. Alan Brewer, Scott P. Sandberg, Ann Weickmann, Timothy A. Bonin, R. Michael Hardesty1, Julie K. Lundquist, Ruben Delgado, G. Valerio Iungo, Ryan Ashton, Mithu Debnath, Laura Bianco, James M. Wilczak, Steven Oncley, and Daniel Wolfe. Atmos. Meas. Tech., 10, 247-264, 2017. https://doi.org/10.5194/amt-10-247-2017

Assessing state-of-the-art capabilities for probing the atmospheric boundary layer: the XPIA field campaign.

Julie K. Lundquist, James M. Wilczak, Ryan Ashton, Laura Bianco, W. Alan Brewer, Aditya Choukulkar, Andrew Clifton, Mithu Debnath, Ruben Delgado, Katja Friedrich, Scott Gunter, Armita Hamidi, Giacomo Valerio Iungo, Aleya Kaushik, Branko Kosović, Patrick Langan, Adam Lass, Evan Lavin, Joseph C.-Y. Lee, Katherine L. McCaffrey, Rob K. Newsom, David C. Noone, Steven P. Oncley, Paul T. Quelet, Scott P. Sandberg, John L. Schroeder, William J. Shaw, Lynn Sparling, Clara St. Martin, Alexandra St. Pe, Edward Strobach, Ken Tay, Brian J. Vanderwende, Ann Weickmann, Daniel Wolfe, Rochelle Worsnop. Bulletin of the American Meteorological Society, 98 (2), 289-314, 2017. https://doi.org/10.1175/BAMS-D-15-00151.1
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Parametric Study of Urban-Like Topographic Statistical Moments Relevant to a Priori Modelling of Bulk Aerodynamic Parameters

Xiaowei Zhu, Giacomo Valerio Iungo, Stefano Leonardi, William Anderson. Boundary-Layer Meteorol., 162, 231-253, 2017. https://doi.org/10.1007/s10546-016-0198-x
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2016

Hub vortex instability within wind turbine wakes: Effects of wind turbulence, loading conditions, and blade aerodynamics

Ryan Ashton, Francesco Viola, Simone Camarri, Francois Gallaire, and Giacomo Valerio Iungo. Phys. Rev. Fluids, 1, 073603, 2016. https://doi.org/10.1103/PhysRevFluids.1.073603

Experimental characterization of wind turbine wakes : Wind tunnel tests and wind LiDAR measurements. 

Giacomo Valerio Iungo. Journal of Wind Engineering and Industrial Aerodynamics,  149, 35–39, 2016. https://doi.org/10.1016/j.jweia.2015.11.009
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2015

Reduced order model for optimization of power production from a wind farm 

Iungo GV, Viola F, Ciri U, Leonardi S, Rotea MA. 34th WIND ENERGY SYMPOSIUM, AIAA SciTech, (AIAA 2016-2200). https://doi.org/10.2514/6.2016-2200
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Effects of the subgrid-scale modelling in the large-eddy simulations of wind turbines and wind farms

Ciri  U,  Carrasquillo K ,  Santoni C , Iungo  GV , Salvetti  MV, Leonardi S. Direct and Large-Eddy Simulation, 10 May 27th-29th 2015, Limassol, Cyprus.
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Effects of incoming wind condition and wind turbine aerodynamics on the hub vortex instability

Ashton R, Viola F, Gallaire F., Iungo GV. J. Phys.: Conf. Ser., 625 012033, 2015.
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Instability of wind turbine wakes immersed in the atmospheric boundary layer

Viola F, Iungo GV, Camarri S, Porte-Agel F, Gallaire F. J. Phys.: Conf. Ser., 625, 012034, 2015.
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Data-driven RANS for simulations of large wind farms

Iungo GV, Viola F, Ciri U, Rotea MA, Leonardi S. J. Phys.: Conf. Ser., 625 012025, 2015.
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Data-driven Reduced Order Model for prediction of wind turbine wakes

Iungo GV, Santoni C, Abkar M, Porte-Agel F, Rotea MA and Leonardi S. J. Phys.: Conf. Ser., 625 012009, 2015
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2014

Volumetric LiDAR scanning of wind turbine wakes under convective and neutral atmospheric stability regimes       

Iungo, G.V., F. Porté-Agel. J. Atmos. Oceanic Technol., 31 (10), 2035-2048, 2014. https://doi.org/10.1175/JTECH-D-13-00252.1
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Volumetric scans of wind turbine wakes performed with three simultaneous wind LiDARs under different atmospheric stability regimes

Iungo, G.V., F. Porté-Agel. J. Physics: Conf. Series, 524, 012164.
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Prediction of the hub vortex instability in a wind turbine wake: stability analysis with eddy-viscosity models calibrated on wind tunnel data.

Viola, F., G.V. Iungo, S. Camarri, F. Porté-Agel, F. Gallaire. J. Fluid Mech., 750, R1, 1-12, 2014. https://doi.org/10.1017/jfm.2014.263
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3D turbulence measurements using three synchronous wind LiDARs: validation against sonic anemometry.

Carbajo Fuertes, F., G.V. Iungo, F. Porté-Agel. J. Atmos. Oceanic Technol., 31 (7), 1549-1556, 2014. https://doi.org/10.1175/JTECH-D-13-00206.1
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2013

Linear stability analysis of wind turbine wakes performed on wind tunnel measurements

Iungo, G.V., F. Viola, S. Camarri, F. Porté-Agel, F. Gallaire. J. Fluid Mech., 737, 499-526, 2013. doi:10.1017/jfm.2013.569
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Measurement procedures for characterization of wind turbine wakes with scanning Doppler wind LiDARs

G.V. Iungo, F. Porté-Agel. Adv. Sci. Res., 10, 71-75, 2013. https://doi.org/10.5194/asr-10-71-2013
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Field measurements of wind turbine wakes with lidars

Iungo, G.V., Y-T. Wu, and F. Porté-Agel. J. Atmos. Oceanic Technol., 30, 274-287, 2013. https://doi.org/10.1175/JTECH-D-12-00051.1
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2012

Experimental investigation on the aerodynamic loads and wake flow features of a low aspect-ratio circular cylinder

Iungo, G.V., L.M. Pii, G. Buresti. J. Fluids Struct., 28, 279-291, 2012. https://doi.org/10.1016/j.jfluidstructs.2011.11.008
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2011

A procedure based on proper orthogonal decomposition for time-frequency analysis of time series

Iungo, G.V., E. Lombardi. Exp. Fluids, 51, 969-985, 2011. https://doi.org/10.1007/s00348-011-1123-1
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Time-frequency analysis of the dynamics of different vorticity structures generated from a finite-length triangular prism

Iungo, G.V., E. Lombardi. J. Wind Eng. Ind. Aerodyn., 99, 711-717, 2011. https://doi.org/10.1016/j.jweia.2011.03.015
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2010

A procedure based on proper orthogonal decomposition for time-frequency analysis of time-series

Iungo, G.V., E. Lombardi. Technical report of the Aerospace Eng. Dept., Univ. of Pisa, Italy, ADIAA 2010-2, April.ADIA 2010-2
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Experimental investigation on the connection between flow fluctuations and vorticity dynamics in the near wake of a triangular prism placed vertically on a plane.
Buresti, G., and G.V. Iungo
Bluff body aerodynamics, J. Wind Eng. Ind. Aerodyn., 98 (6-7), 253-262
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Time-frequency analysis of the dynamics of different vorticity structures generated from a finite-length triangular prism.
Iungo, G.V., and E. Lombardi
Signal Processing, In proc. of XXI Conf. INVENTO-2010, Spoleto, Italy, 30th June – 3rd July, 2010.
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2009

Experimental investigation on the influence of wind direction on the aerodynamic loads acting on low aspect-ratio triangular prisms.
Iungo, G.V., and G. Buresti
Bluff body aerodynamics, Proc. XIX Italian Conf. AIMETA, Ancona, Italy, July 14-17.
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Experimental investigation on the aerodynamic loads and wake flow features of low aspect-ratio triangular prisms at different wind directions.
Iungo, G.V., and G. Buresti:
Bluff body aerodynamics,J. Fluids Struct., 25 (7), 1119-1135
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Correction of wandering smoothing effects on static measurements of a wing-tip vortex.
Iungo, G.V., P. Skinner, and G. Buresti
Vortex dynamics, Exp. Fluids, 46 (3), 435-452.
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Experimental investigation on the aerodynamic loads and wake flow features of a low aspect-ratio circular cylinder.
Iungo, G.V., and G. Buresti
Bluff body aerodynamics, In proc. XX Conf. Italian AIDAA, Milano, Italy, June 29 – July 3.
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2008

Flow fluctuations and vorticity dynamics in the near wake of a triangular prism in cross-flow.
Buresti, G., and G.V. Iungo
Bluff body aerodynamics, In proc. VI BBAA International colloquium on bluff body aerodynamics & applications. Milano, Italy, July 20-24.
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Experimental evaluation of the mean and fluctuating forces on triangular prisms in cross-flow.
Iungo, G.V., G. Buresti, and G. Lombardi
Bluff body aerodynamics, In proc. X Italian conf. wind engineering, Cefalu, Italy, June 8-11
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Flow characterization of the new Dallara wind tunnel.
Iungo, G.V., and G. Lombardi
Wind tunnel design, Technical report of the Aerospace Eng. Dept., Univ. of Pisa, Italy, DDIAA 2008-3.
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2007

Investigation on the dynamics of wake vorticity structures on body wakes and their effects on the aerodynamic loads.
Iungo, G.V.
Bluff body aerodynamics, Ph.D. thesis of the Aerospace Eng. Dept., Univ. of Pisa, Italy. Thesis defended on 07/20/2007
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Methods for drag reduction of bluff bodies and their application to heavy road-vehicles.
Buresti, G., G.V. Iungo, and G. Lombardi
Bluff body aerodynamics, Technical report of the Aerospace Eng. Dept., Univ. Pisa, Italy, DDIAA 2007-6.
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Wing-tip vortex wandering: comparison between pressure probe rapid scanning and hot film static measurements.
Iungo, G.V., P. Skinner, and G. Buresti
Vortex dynamics, Technical report of the Aerospace Eng. Dept., Univ. of Pisa, Italy, ADIAA 2007-5.
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Experimental investigation on the wake generated from a low aspect-ratio triangular prism in cross-flow.
Iungo, G.V., and G. Buresti
Bluff body aerodynamics, Technical report of the Aerospace Eng. Dept., Univ. of Pisa, Italy, ADIAA 2007-4.
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Correction of wandering effects on static measurements of a wing-tip vortex.
Iungo, G.V., P. Skinner, and G. Buresti
Vortex dynamics, Technical report of the Aerospace Eng. Dept., Univ. of Pisa, Italy, ADIAA 2007-2.
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Numerical and experimental assessment of methods for the correction of wandering effects on static measurements of a wing-tip vortex.
Iungo, G.V., and P. Skinner
Vortex dynamics, In proc. XIX Italian conf. AIDAA, Forli, Italy, September 17-21.
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Experimental evidence of the connection between flow fluctuations and dynamics of vorticity structures in the wake of a triangular prism
Buresti, G., and G.V. Iungo
Bluff body aerodynamics, In proc. of XVIII Italian conf. AIMETA, Brescia, Italy, September 11-14.
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2006

Wandering smoothing effects on wing-tip vortex Eulerian measurements.
Iungo, G.V., and P. Skinner
Vortex dynamics, In proc. Aerodays 2006, Wien, Austria, June.
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2005

Characterization of the velocity fluctuations in the wake of a triangular prism of moderate aspect ratio.
Buresti, G., and G.V. Iungo
Bluff body aerodynamics, In proc. of AIMETA conf., Florence, Italy, September.
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