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Experimental investigation of interactions between turbulent cylinder wake and spherical shock wave Kenta Aruga, Kento Inokuma, Tomoaki Watanabe, Koji Nagata, Yasuhiko Sakai Physics of Fluids 2020 32
Application of spectral proper orthogonal decomposition to velocity and passive scalar fields in a swirling coaxial jet Pravin Ananta Kadu, Yasuhiko Sakai, Yasumasa Ito, Koji Iwano, Masatoshi Sugino, Takahiro Katagiri, Toshiyuki Hayase, Koji Nagata Physics of Fluids 2020 32
Semi in-situ measurement of zincate ion concentration near zinc anode using background-oriented Schileren tequnique Yasumasa Ito, Xiao Liang, Kohei Ishikawa, Toru Ujihara, Yasuhiko Sakai, Koji Iwano PHYSICAL REVIEW RESEARCH 2019 1
Extreme Events and Non-Kolmogorov -5/3 Spectra in Turbulent Flows behind Two Side-by-Side Square Cylinders Y. Zhou, K. Nagata, Y. Sakai, T. Watanabe Journal of Fluid Mechanics 2019 874
The relationships between crystal orientation and morphology of electrode from a perspective of crystal growth Kohei Ishikawa, Takato Mitsuhashi, Yasumasa Ito, Yukihisa Takeuchi, Shuta Harada, Miho Tagawa, Toru Ujihara Journal of the Japanese Association of Crystal Growth 2019 46
Fluid Dynamics and Energy/scalar Transport in Coexisting Flows of Turbulence and Non-turbulence: Cases of Dual-wakes,D,Grid-turbulence and Complex Jet Yasuhiko Sakai, Yasumasa Ito, Koji Iwano, Toshiyuki Hayase, Yi Zhou, Jihong Yu, Pravin Ananta Kadu Proceedings of 19th International symposium on Advanced Fluid Information 2019
Three-dimensional visualization of destruction events of turbulent momentum transfer in a plane jet Mamoru Takahashi, Koji Iwano, Yasuhiko Sakai, Yasumasa Ito Physics of Fluids 2019 31
Intestinal flow after anastomotic operations in neonates Yasumasa Ito, Koichiro Asato, Inhyeok Cho, Yasuhiko Sakai, Koji Iwano, Takahisa Tainaka, Hiroo Uchida Computers in Biology and Medicine 2019 118
Numerical investigation of passive scalar transport and mixing in a turbulent unconfined coaxial swirling jet Pravin Ananta Kadu, Yasuhiko Sakai, Yasumasa Ito, Koji Iwano, Masatoshi Sugino, Takahiro Katagiri, Koji Nagata International journal of Heat and mass Transfer 2019 142
Statistics of overpressure fluctuations behind a weak shock wave interacting with turbulence Kento Inokuma, Tomoaki Watanabe, Koji Nagata, Yasuhiko Sakai Proceedings of the ASME-JSME-KSME 2019 2019
Effect of The Large-scale Structure on Turbulent Prandtl Number in a Turbulent Shear Layer Kotaro Takamure, Yasuhiko Sakai, Yasumasa Ito, Koji Iwano Physics of Fluids 2019 31
Statistical properties of spherical shock waves propagating through grid turbulence, turbulent cylinder wake, and laminar flow Kento Inokuma, Tomoaki Watanabe, Koji Nagata, Yasuhiko Sakai Physics Scripta 2019 94 4
Experimental investigation on destruction of Reynolds stress in a plane jet Mamoru Takahashi, Koji Iwano, Yasuhiko Sakai, Yasumasa Ito Experiments in Fluids 2019 60 3 46
Dissipation scaling in the transition region of turbulent mixing layer Kotaro Takamure, Yasuhiko Sakai, Yasumasa Ito, Koji Iwano International Journal of Heat and Fluid Flow 2019 75 77-85
Overpressure Fluctuaion behind Spherical Shock Wave Propagating in Grid-fenerated Turbulence K.Inokuma, T.watanabe, K.nagata, Y.Sakai AIAA SciTech Forum and Exposition 2019
Influence of Swirl on Coaxial Jets P.Kadu, Y.Sakai, Y.Ito, K.Iwano, M.Sugino, T.Katagiri, T.Hayase Proceedings of 15th International Conference on Flow Dynamics 2018 722-723
Numerical Visualization of Reynolds Stress Destruction in a Plane Jet Mamoru Takahashi, Koji Iwano, Yasuhiko Sakai, Yasumasa Ito 776-777
Entrainment and Diffusion Mechanism in a Round Jet Modified by Vortex Generators Yasumasa Ito, Kosuke Naganawa, Yasuhiko Sakai, Koji Iwano
Momentum transport process in the quasi self-similar region of free shear mixing layer Kotaro Takamura, Yasuhiko Sakai, Yasumasa Ito, Koji Iwano, Toshiyuki Hayase PHYSICS OF FLUIDS 2018 30 015109
Dual-plane turbulent jets and their non-Gaussian velocity fluctuations Y. Zhou,Koji Nagata, Yasuhiko Sakai,Tomoaki Watanabe Physical Review Fluids 2018 3 2 124604
Measurement of Fluctuating Temperature and POD Analysis of Eigenmodes in a Heated Planar Jet Osamu Terashima, Yasuhiko Sakai, Yasumasa Ito Experimental Thermal and Fluid Science 2018 92 113-124
Enhancement and suppression of mixing and diffusion in an axisymmetric jet by half delta-wing tabs Yasumasa Ito, Kensuke Miura, Yasuhik Sakai, Koji Iwano International Journal of Heat and Mass Transfer 2018 118 1218-1230
Mixing and Diffusion in Regular/Fractal Grid Turbulence: in Fractal Flow Design: How to Design Bespoke Turbulence and Why Yasuhiko Sakai, Koji Nagata, H. Suzuki, Yasumasa Ito CISM International Centre for Mechanical Sciences Courses and Lectures 568/Springers 2017 17-73
Changes in Divergence-Free Grid Turbulence Interacting with a Weak Spherical Shock Wave Takuya Kitamura, Koji Nagata, Yasuhiko Sakai, Akihiro Sasoh,Yasumasa Ito Physics of Fluids 2017 29 6 065114
Modification of Hemodynamics in Basilar Artery Aneurysm by the Single and Y Stent Placement Tatsuya Matsuda, K. Masunaga, Yasuhiko Sakai, Yasumasa Ito, K. Irie, Koji Iwano,Koji Nagata Technology and Health Care 2017 25 5 831-842
Smooth-surfaced flexible wall shear stress sensor fabricated by film transfer technology Yoshihiro Hasegawa, Chiaki Okihara, Takayuki Yamada, Kai Komatsubara, Koji Iwano, Yasuhiko Sakai, Mitsuhiro Shikida Sensors and Actuators A: Physical 2017 265 86-93
Crystal Orientation Dependence of Precipitate Structure of Electrodeposited Li Metal on Cu Current Collectors Kohei Ishikawa, Yasumasa Ito, Shunta Harada, Miho Tagawa, and Toru Ujihara Crystal Growth & Design 2017 17 (5) 2379–2385
Effects of Grid Geometry on Non-Equilibrium Dissipation in Grid Turbulence K. Nagata,T. Saiki,Y. Sakai,Y. Ito,K. Iwano Physics of Fluids 2017 29 15102
Mixing in a Turbulent Multiscale Flow P. Baj,Y. Ito,K. Nagata,Y. Sakai,P. J. K. Bruce,O. R. H. Buxton Proc. of the 24th ICTAM 2016 USB (2 pages)
Mechanism of drag coefficient saturation at strong wind speeds N. Takagaki, S. Komori, N. Suzuki, K. Iwano, R. Kurose Geophysical Research Letters 2016 43 18 9829-9835
Implicit Large Eddy Simulation of a Scalar Mixing Layer in Fractal Grid Turbulence T. Watanabe,Y. Sakai,K. Nagata,Y. Ito,T. Hayase Physica Scripta 2016 91 074007
Turbulent Mixing of a Passive Scalar in Grid Turbulence Y. Ito,T(omoyuki). Watanabe,K. Nagata,Y. Sakai Physica Scripta 2016 91 No.074002
Direct Numerical Simulation of Momentum and Mass Transfer in a Spatially Developing Mixing Layer Kotaro Takamure,YasumasaIto,Yasuhiko Sakai, Koji Iwano, Toshiyuki Hayase Proceedings of 13th International Conference on Flow Dynamics 2016 OS13-5 516-517
Investigation of Non-equilibrium Turbulence and Its Application to Flow Control (Cases of Mixing Layer, Grid Turbulence and Jet) Y. Sakai,K. Nagata,Y. Ito,K. Iwano,T. Watanabe,T. Hayase,K. Takamure,M. Li Proceedings of 13th International Conference on Flow Dynamics 2016 CRF-57 116-117
Turbulent Mixing of a Passive Scalar in Grid Turbulence Y. Ito,T(omoyuki). Watanabe,K. Nagata,Y. Sakai Physica Scripta 2016 91 7 074002
Rapid Distortion Theory Analysis on the Interaction between Homogeneous Turbulence and a Planar Shock Wave T. Kitamura, K. Nagata,Y. Sakai,A. Sasoh,Y. Ito Journal of Fluid Mechanics 2016 802 108-146
Enstrophy production and dissipation in developing grid-generated  turbulence Yi Zhou, Koji Nagata, Yasuhiko Sakai, Yasumasa Ito, Toshiyuki Hayase Physics of Fluids 2016 28 2 025113
Lagrangian properties of the entrainment across turbulent/non-turbulent interface layers Tomoaki Watanabe, Carlos B. da Silva, Yasuhiko Sakai, Koji Nagata, Toshiyuki Hayase Physics of Fluids 2016 28 3 031701
Large eddy simulation study of turbulent kinetic energy and scalar variance budgets and turbulent/non-turbulent interface in planar jets Tomoaki Watanabe, Yasuhiko Sakai, Koji Nagata, Yasumasa Ito Fluid Dynamics Research 2016 48 2 021407
Spatial Evolution of the Helical Behavior and the 2/3 Power-Law in Single-Square-Grid Generated Turbulence Yi Zhou, kouji Nagata, Yasuhiko Sakai, Yasumasa Ito, Toshiyuki Hayase Fluid Dynamics Research 2016 48 2 021404
Simultaneous measurement of velocity and pressure near the turbulent/non-turbulent interface of a planar turbulent jet Osamu Terashima, Yasuhiko Sakai, Kouji Nagata, Yasumasa Ito, Kazuhiro Onishi, Yuichi Shouji Experimental Thermal and Fluid Science 2016 75 137–146
Dynamics and geometry of developing planar jets based on the invariants of the velocity gradient tensor Nannan Wu, Yasuhiko Sakai, Kouji Nagata, Yasumasa Ito Journal of Hydrodynamics 2015 27 6 894-906
On the turbulent energy transport related to the coherent structures in a planar jet Osamu Terashima, Yasuhiko Sakai, Yusuke Goto, Kazuhiro Onishi, Kouji Nagata, Yasumasa Ito Experimental Thermal and Fluid Science 2015 68 697–710
LES–Lagrangian particle method for turbulent reactive flows based on the approximate deconvolution model and mixing model Tomoaki Watanabe, Yasuhiko Sakai, Kouji Nagata, Yasumasa Ito, Toshiyuki Hayase Journal of Computational Physics 2015 294 127–148
Turbulent mixing of passive scalar near turbulent and non-turbulent interface  in mixing layers Tomoaki Watanabe, Yasuhiko Sakai, Kouji Nagata, Yasumasa Ito, Toshiyuki Hayase Physics of Fluids 2015 27 8 085109
On the evolution of the invariants of the velocity gradient tensor in singlesquare-grid-generated turbulence Yi Zhou, Koji Nagata, Yasuhiko Sakai, Yasumasa Ito, Toshiyuki Hayase Physics of Fluids 2015 27 7 075107
On the velocity and pressure statistics during the flapping motion in a planar turbulent jet Osamu Terashima, Yasuhiko Sakai, Kouji NAGATA, Yasumasa Ito, Kazuhiro Onishi, Yuichi Shouji International Journal of Heat and Fluid Flow 2015 53 56–67
Conditional Statistics in a Planar Liquid Jet with a Second-Order Chemical Reaction Tomoaki Watanabe, Yasuhiko Sakai, Kouji Nagata, Osamu Terashima, Takashi Kubo International Journal of Heat and Mass Transfer 2015 83 768-780
Promotion of Chemical Reaction by a Grid in a Shear Mixing Layer Y. Ito, Y. Sakai, K. Nagata Chemical Engineering and Technology 2014 37 12 2103-2108
Vortex Stretching and Compression Near the Turbulent/Nonturbulent Interface in a Planar Jet T. Watanabe, Y. Sakai, K. Nagata, Y. Ito, T. Hayase Journal of Fluid Mechanics 2014 758 754-785
Experimental Study on the Reaction Rate of a Second Order Chemical Reaction in a Planar Liquid Jet T. Watanabe, Y. Sakai, K. Nagata, O. Terashima AIChE Journal 2014 60 11 3969-3988
Development and Testing of an Economic Grid-Scale Flow-Assisted Zinc/Nickel-Hydroxide Alkaline Battery D. Turney, M. Shmukler, K. Galloway, M. Klein, Y. Ito, T. Sholklapper, M. Nyce, J. Gallaway, S. Banerjee Journal of Power Sources 2014 265 49-58
Enstrophy and Passive Scalar Transport Near the Turbulent/Non-Turbulent Interface in a Turbulent Planar Jet Flow T. Watanabe, Y. Sakai, K. Nagata, Y. Ito, T. Hayase Physics of Fluids 2014 26 10 105103
Reactive Scalar Field Near the Turbulent/ Non-Turbulent Interface in a Planar Jet with a Second-Order Chemical Reaction T. Watanabe, Y. Sakai, K. Nagata, Y. Ito, T. Hayase Physics of Fluids 2014 26 10 105111
Experimental Study on the Schmidt Number Dependence of the Scalar Derivative Statistics in a Liquid Axisymmetric Jet T. Takeichi, Y. Sakai, O. Terashima, K. Nagata, Y. Ito, M. Yokoi Journal of Fluid Science and Technology 2014 9 3 14-00145
On the Measurement of Wall Shear Stress with a Patch-Type Micro-Fabricated Hot-Film Sensor T. Sawada, O. Terashima, Y. Sakai, K. Nagata, M. Shikida, Y. Ito, S. Muramatsu Journal of Fluid Science and Technology 2014 9 3 14-00134
Numerical Study on a Boundary Layer with Heat Transfer Affected by a Wake of a Square Bar S. Xia, Y. Ito, K. Nagata, Y. Sakai, T. Hayase Journal of Fluid Science and Technology 2014 9 3 14-00042
Concentration Measurement in a Planar Liquid Jet with a Chemical Reaction by Using the Improved Concentration Measurement System Based on the Light Absorption Method T. Naito, T. Watanabe, Y. Sakai, K. Nagata, Y. Ito Journal of the Japanese Society for Experimental Mechanics 2014 9 3 14-00191
Measurement of Wall Shear Stress Fluctuation with the Micro-Fabricated Hot-film Sensor in a Boundary Layer of a Wall Jet T. Sawada, O. Terashima, Y. Sakai, K. Nagata, M. Shikida, S. Muramatsu, Y. Ito Journal of the Japanese Society for Experimental Mechanics 2014 14 s13-s18
Wavelet Analysis of Coherent Vorticity near the Turbulent/Non-Turbulent Interface in a Turbulent Planar Jet T. Watanabe, Y. Sakai, K. Nagata, Y. Ito, T. Hayase Physics of Fluids 2014 26 095105
Turbulent Schmidt Number and Eddy Diffusivity Change with a Chemical Reaction T. Watanabe, Y. Sakai, K. Nagata, O. Terashima Journal of Fluid Mechanics 2014 754 98-121
Statistical Behavior of Post-Shock Overpressure Past Grid Turbulence A. Sasoh, T. Harasaki, T. Kitamura, D. Takagi, S. Ito, A. Matsuda, K. Nagata, Y. Sakai Shock Waves 2014 24 5 489-500
Study on the Concentration Measurement in a Liquid Jet by the Optical Fiber LIF Method N. Wu, Y. Sakai, K. Nagata, Y. Ito, O. Terashima, T. Hayase Journal of the Japanese Society for Experimental Mechanics 2014 14 s30-s35
Relevance of Turbulence behind the Single Square Grid to Turbulence Generated by Regular- and Multiscale-Grids N. Wu, Y. Sakai, K. Nagata, Y. Ito, O. Terashima, T. Hayase Physics of Fluids 2014 26 7 075105
Influence of Reynolds Number on Coherent Structure, Flow Transition and Evolution of Plane Jet N. Wu, Y. Sakai, K. Nagata, Y. Ito, O. Terashima, T. Hayase Journal of Fluid Science and Technology 2014 9 2 13-0288
The Effects of Inflow Conditions on Reactive-Diffusive Mechanism in a Shear Mixing Layer at low Reynolds Number Y. Ito, K. Nagata, Y. Sakai, O. Terashima Experimental Thermal and Fluid Science 2014 55 166-173
Simultaneous Measurement of All Three Velocity Components and Pressure in a Plane Jet O. Terashima, K. Onishi, Y. Sakai, K. Nagata, Y. Ito Measurement Science and Technology 2014 26 5 055301
Development of Turbulence behind the Single Square Grid Y. Zhou, K. Nagata, Y. Sakai, H. Suzuki, Y. Ito, O. Terashima, T. Hayase Physics of Fluids 2014 26 4 9045102
Turbulent Schmidt number and eddy diffusivity change with a chemical reaction Tomoaki Watanabe, Yasuhiko Sakai, Kouji Nagata and Osamu Terashima Journal of Fluid Mechanics 2014 754 98-121
Momentum and mass transfer in developing liquid shear mixing layers Yasumasa Ito, Kouji Nagata, Yasuhiko Sakai, Osamu Terashima Experimental Thermal and Fluid Science 2013 51 28-36
Turbulence Structure and Turbulence Kinetic Energy Transport in Multiscale / Fractal-Generated Turbulence K. Nagata, Y. Sakai, T. Inaba, H. Suzuki, O. Terashima, H. Suzuki Physics of Fluids 2013
VISUALIZATION OF TURBULENT REACTIVE JET BY USING DIRECT NUMERICAL SIMULATION T. Watanabe, Y. Sakai, K. Nagata, O. Terashima, H. Suzuki,T. Hayase, Y. Ito International Journal of Modeling, Simulation, and Scientific Computing 2013 4 1 1341001
PLIF Analysis on the Fractal Dimension of High-Schmidt Number Scalar Mixing in Fractal-Generated Turbulence H. Suzuki, K. Nagata and Y. Sakai Physica Scripta 2012
Joint statistics between velocity and reactive scalar in a turbulent liquid jet with a chemical reaction T. Watanabe, Y. Sakai, K. Nagata and O. Terashima Physica Scripta 2012
Simultaneous Measurements of Reactive Scalar and Velocity in a Planar Liquid Jet with a Second-Order Chemical Reaction T. Watanabe, Y. Sakai, K. Nagata, O. Terashima and T. Kubo Experiments in Fluids 2012 53 5 1369-1383
Simultaneous measurement of velocity and pressure in a plane jet O. Terashima, Y. Sakai and K. Nagata Experiments in Fluids 2012 53 4 1149-1164
Streamwise interfaces of an isolated turbulent region in a laminar boundary layer O. Terashima, S. Izawa, A. Inasawa and Y. Fukunishi Journal of Fluid Science and Technology 2012 7 1 140-154
An indicator of zinc morphology transition in alkaline electrolyte Y. Ito, X. Wei, D. Desai, D. Steingart and S. Banerjee Journal of Power Sources 2012 211 119-128
Study on Turbulent Plane Jet with Chemical Reaction in Liquid T. Kubo, Y. Fukumura, Y. Sakai, and K. Nagata Journal of Fluid Science and Technology 2012 7 1 25-38
Gas evolution in a flow-assisted zinc-nickel oxide battery Y. Ito, M. Nyce, R. Plivelich, M. Klein and S. Banerjee Journal of Power Sources 2011 196 1 6583-6587
DNS on a Spatially Developing Grid Turbulence H. Suzuki, K. Nagata, Y. Sakai and T. Hayase Journal of Physics 2011 318 1 032043
Distorted Turbulence and Secondary Flow near Right Angled Plates K. Nagata, J.C.R. Hunt, Y. Sakai and H. Wong Journal of Fluid Mechanics 2011 669 1 446-479
Effects of Small-Scale Freestream Turbulence on Turbulent Boundary Layers with and without Thermal Convection K. Nagata, Y. Sakai and S. Komori Physics of Fluids 2011 23 065111
Quantitative Visualization of High-Schmidt-Number Turbulent Mixing in Grid Turbulence by means of PLIF H. Suzuki, K. Nagata and Y. Sakai Journal of Visualization 2011 15 2 109-117
Zinc morphology in zinc-nicel flow assisted batteries and impact on performance Y. Ito, M. Nyce, R. Plivelich, M. Klein, D. Steingart and S. Banerjee Journal of Power Sources 2011 196 2340-2345
Direct Numerical Simulation of Turbulent Mixing in Regular and Fractal Grid Turbulence H. Suzuki, K. Nagata, Y. Sakai, T. Hayase Physica Scripta 2010 T142 14065-14068
Experimental Study on the Turbulent Reactive Plane Jet in Liquid T. Kubo, Y. Sakai, K. Nagata and K. Iida Journal of Fluid Science and Technology 2010 4 2 368-378
Experimental Study on Relationships between Large-Scale Coherent Motions and Bursting Events in a Turbulent Boundary Layer Y. Sakai, K. Nagata, H. Yokoi, T. Kubo and H. Shimogata Journal of Fluid Science and Technology 2009 4 1 37-46
Active Control of an Axisymmetric Turbulent Jet Using Moving Delta Tabs (Effects of the Delta Tabs Oscillating in Phase) K. Nagata, Y. Sakai, M. Shirosawa and T. Kubo Journal of Fluid Science and Technology 2008 3 2 292-302