Yoshitsugu Naka

Profile

Research experience

• 2010-Now Post-doc fellow at Laboratoire de Mécanique de Lille, France
• 2009-2010 Researcher at Keio University, Japan
• 2007-2009 JSPS research fellow

Education

• Ph.D. in Engineering, Keio University, March 2009.
• 2006-2009 Ph.D. at Keio University, Japan
• 2004-2006 Master course at Keio University, Japan
• 2001-2004 Department of Mechanical Engineering, Keio University, Japan

Publications

Journal paper

1. Hasebe, H., Naka, Y., Fukagata, K., An attempt for suppression of wing-tip vortex using plasma actuators, J. Fluid Sci. Technol. 6, 976-988 (2011). doi:10.1299/jfst.6.976
2. Hoepffner, J., Naka. Y., Oblique waves lift the flapping flag, Physical Review Letters, 107, 19 (2011). doi:10.1103/PhysRevLett.107.194502
3. Hoepffner, J., Naka, Y., Fukagata, K., Realizing turbulent statistics, J. Fluid Mech. 676, 54-80 (2011). doi:10.1017/jfm.2011.32
4. Kurashima, D., Naka,Y., Fukagata,K., Obi, S., Simultaneous measurements of disk vibration and pressure fluctuation in turbulent flow developing in a model hard disk drive, Int. J. Heat Fluid Flow 32, 567-574, 2011. doi:10.1016/j.ijheatfluidflow.2011.03.001
5. Kawata, T., Naka, Y., Fukagata, K, Obi, S., Simultaneous measurement of velocity and fluctuating pressure in a turbulent wing-tip vortex using triple hot-film sensor and miniature total pressure probe, Flow Turbul. Combust. 86, 419-437, 2011. doi:10.1007/s10494-010-9258-3
6. Naka, Y., Tsuboi, K., Kametani, Y., Fukagata, K. and Obi, S., Near-field development of a turbulent mixing layer periodically forced by a bimorph PVDF film actuator, Journal of Fluid Science and Technology, 5, 2, pp.156-168, 2010. doi:10.1299/jfst.5.156
7. Naka, Y., Obi, S., Velocity-pressure correlation measurements in complex free shear flows, Int. J. Heat Fluid Flow, 30, 3, 411-420, 2009. doi:10.1016/j.ijheatfluidflow.2009.01.002
8. Naka, Y., Azegami, S., Kawata, T., Fukagata, K. and Obi, S., Simultaneous measurement of velocity and pressure in a wingtip vortex, J. Fluid Sci. Tech. 4, pp.107-115, 2009. doi:10.1299/jfst.4.107
9. Naka, Y., Omori, T., Obi, S. and Masuda, S., Simultaneous measurement of fluctuating velocity and pressure in a turbulent mixing layer, Int. J. Heat and Fluid Flow, 27, pp.737-746, 2006. doi:10.1016/j.ijheatfluidflow.2006.02.023

Conference proceedings

1. Kawata, T., Naka,Y., Fukagata,K., Obi, S., Velocity-pressure correlation measurement using various static pressure probe in a wake of circular cylinder, 7th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP-7), Ottawa, Canada, July 28-31, 2011.
2. Naka, Y., Coudert, S., Foucaut, J.M., Stanislas, M., Spatio-temporal velocity-pressure correlations in a turbulent boundary layer, PIV'11 - Ninth International Symposium on Particle Image Velocimetry, Kobe, Japan, 21-23 July 2011.
3. Naka, Y., Hoepffner, J., Fukagata, K., Turbulent inflow generation method realizing two-point two-time correlations, The 8th Euromech Fluid Mechanics Conference (EFMC-8), Munich, Germany, 13-16 Sept 2010.
4. Kawata, T., Naka, Y., Fukagata, K, Obi, S., Velocity-pressure correlation measurement in a turbulentwing-tip vortex, The 8th Euromech Fluid Mechanics Conference (EFMC-8), Munich, Germany, 13-16 Sept 2010.
5. Kurashima, D., Naka, Y., Fukagata, K, Obi, S., Aerodynamics of a hard disk drive: Measurements of flow velocity, pressure fluctuation and disk vibration, 8th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM8), Marseille, France, 9-11 June 2010.
6. Kawata, T., Naka, Y., Fukagata, K, Obi, S., Simultaneous measurement of three velocity components and pressure fluctuation in a turbulent wing-tip vortex, 6th International Symposium on Turbulence, Heat and Mass Transfer (THMT-6), pp.12, Rome, Italy, September, 2009.
7. Azegami, S., Kawata, T., Naka, Y. and Obi, S., Simultaneous measurement of velocity and pressure in a wingtip vortex, 7th JSME-KSME Thermal and Fluids Engineering Conference (TFEC-7), J321, Sapporo, Japan (November 2008).
8. Naka, Y. and Obi, S., Velocity-pressure correlation measurements in complex free shear flows, 7th International ERCOFTAC Symposium on Engineering Turbulence Modeling and Measurements (ETMM-7), pp. 375-380, Limassol, Cyprus (June 2008).
9. Naka, Y., Obi, S., and Masuda, S., Development of a miniature probe for velocity-pressure correlation measurement, 5th International Symposium on Turbulence and Shear Flow Phenomena (TSFP-5), pp. 619-624, Munich, Germany (September 2007).
10. Naka, Y., Obi, S. and Masuda, S., Measurement of velocity-pressure correlation in a free shear flow, 6th European Fluid Mechanics Conference (EFMC-6), 227, Stockholm, Sweden (June 2006).
11. Naka, Y., Omori, T., Obi, S. and Masuda, S., Experimental study on velocity-pressure correlation in turbulent mixing layer out of equilibrium state, 4th International Symposium on Turbulence and Shear Flow Phenomena (TSFP-4), pp. 1125-1130, Williamsburg, USA (June 2005).

Ph.D. Thesis

Simultaneous Measurement of Fluctuating Velocity and Pressure in Turbulent Free Shear Flows