|
|
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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 |