Papers - Fukagata, Koji

Large-eddy simulation of high-Reynolds-number turbulent channel flow controlled using streamwise traveling wave-like wall deformation for drag reduction

Y. Nabae, K. Inagaki, H. Kobayashi, H. Gotoda, and K. Fukagata

J. Fluid Mech. 1003   A2 2025.01

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Defiltering turbulent flow fields for Lagrangian particle tracking using machine learning techniques

T. Oura and K. Fukagata

Phys. Fluids 36   113366 2024.11

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Implementation of spectral methods on Ising machines: toward flow simulations on quantum annealers

K. Takagi, N. Moriya, S. Aoki, K. Endo, M. Muramatsu, and K. Fukagata

Fluid Dyn. Res. 56   061401 2024.11

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

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Flow control by a hybrid use of machine learning and control theory

T. Ishize, H. Omichi, and K. Fukagata

Int. J. Numer. Meth. Heat Fluid Flow 34 ( 8 ) 3253 - 3277 2024.08

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

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Reconstructing three-dimensional bluff body wake from sectional flow fields with convolutional neural networks

M. Matsuo, K. Fukami, T. Nakamura, M. Morimoto, K. Fukagata

SN Comput. Sci. 5   306 2024.03

Research paper (scientific journal), Last author, Corresponding author, Accepted

• Access to Document (DOI)

Theoretical and numerical analyses of turbulent plane Couette flow controlled using uniform blowing and suction

Y. Nabae, K. Fukagata

Int. J. Heat Fluid Flow 106   109286 2024.01

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Super-resolution analysis via machine learning: A survey for fluid flows

K. Fukami, K. Fukagata, and K. Taira

Theor. Comput. Fluid Dyn. 36   421 - 444 2023.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

A new perspective on skin-friction contributions in adverse-pressure-gradient turbulent boundary layers

M. Atzori, F. Mallor, R. Pozuelo, K. Fukagata, R. Vinuesa, and P. Schlatter

Int. J. Heat Fluid Flow 101   109117 2023.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Assessments of epistemic uncertainty using Gaussian stochastic weight averaging for fluid-flow regression

M. Morimoto, K. Fukami, R. Maulik, R. Vinuesa, and K. Fukagata

Physica D 440   133454 2022.07

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Drag reduction effect of streamwise traveling wave-like wall deformation with spanwise displacement variation in turbulent channel flow

Y. Nabae and K. Fukagata

Flow Turbul. Combust. 109   1175 - 1194 2022.06

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Robust training approach of neural networks for fluid flow state estimations

T. Nakamura and K. Fukagata

Int. J. Heat Fluid Flow 96   108997 2022.05

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

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Drag reduction by uniform blowing on the pressure surface of an airfoil

S. Miura, M. Ohashi, K. Fukagata, and N. Tokugawa

AIAA J. 60 ( 4 ) 2241 - 2250 2022.04

Research paper (scientific journal), Joint Work, Corresponding author, Accepted

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Sensitivity study on storm modulation through a strategic use of consumer air conditioners

D. Hiruma, R. Onishi, K. Takahashi, and K. Fukagata

Atmos. Sci. Lett.  2022.03

Research paper (scientific journal), Joint Work, Accepted

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Identifying key differences between linear stochastic estimation and neural networks for fluid flow regressions

T. Nakamura, K. Fukami, and K. Fukagata

Scientific Reports 12   3726 2022.03

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

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Generalization techniques of neural networks for fluid flow estimation

M. Morimoto, K. Fukami, K. Zhang, and K. Fukagata

Neural Comput. Appl. 34 ( 5 ) 3467 - 3669 2022.03

Research paper (scientific journal), Joint Work, Last author, Accepted

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Applying Bayesian optimization with Gaussian process regression to computational fluid dynamics problems

Y. Morita, S. Rezaeiravesh, N. Tabatabaei, R. Vinuesa, K. Fukagata, and P. Schlatter

J. Comput. Phys. 449   110788 2022.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Bayesian optimization of traveling wave-like wall deformation for friction drag reduction in turbulent channel flow

Y. Nabae and K. Fukagata

J. Fluid Sci. Technol. 16   JFST0024 2021.12

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Global field reconstruction from sparse sensors with Voronoi tessellation-assisted deep learning

K. Fukami, R. Maulik, N. Ramachandra, K. Fukagata, and K. Taira

Nat. Mach. Intell. 3   945 - 951 2021.10

Research paper (scientific journal), Joint Work, Accepted

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The effect of a high-flow nasal cannula on oxygen concentration at the surgical site: A pilot study

H. Seki, K. Fukagata, S. Ito, R. Okada, and T. Ouchi

Br. J. Anaesth. 127   E192 - E195 2021.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Model order reduction with neural networks: Application to laminar and turbulent flows

K. Fukami, K. Hasegawa, T. Nakamura, M. Morimoto, and K. Fukagata

SN Comput. Sci. 2   467 2021.09

Research paper (scientific journal), Joint Work, Last author, Accepted

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Numerical modeling of spark path with stretching and short circuit in three-dimensional flow

R. Arai, Y. Nabae, R. Uekusa, H. Murakami, and K. Fukagata

SAE Technical Paper  ( 2021-01-1164 )  2021.09

Research paper (international conference proceedings), Joint Work, Last author, Accepted

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Sparse identification of nonlinear dynamics with low-dimensionalized flow representations

K. Fukami, T. Murata, K. Zhang, and K. Fukagata

J. Fluid Mech. 926   A10 2021.09

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Experimental velocity data estimation for imperfect particle images using machine learning

M. Morimoto, K. Fukami, and K. Fukagata

Phys. Fluids 33 ( 8 ) 087121 2021.08

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

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Convolutional neural networks for fluid flow analysis: toward effective metamodeling and low dimensionalization

M. Morimoto, K. Fukami, K. Zhang, A. G. Nair, and K. Fukagata

Theor. Comput. Fluid Dyn. 35   633 - 658 2021.08

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

A structured adaptive mesh refinement strategy with a sharp interface direct-forcing immersed boundary method for moving boundary problems

M. Badri Ghomizad, H. Kor, and K. Fukagata

J. Fluid Sci. Technol. 16 ( 2 ) JFST0014 2021.06

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

• Access to Document (DOI)

Adjoint-based sensitivity analysis for airfoil flow control aiming at lift-to-drag ratio improvement

M. Ohashi, K. Fukagata, and N. Tokugawa

AIAA J. 59   4437 - 4448 2021.04

Research paper (scientific journal), Joint Work, Corresponding author, Accepted

• Access to Document (DOI)

A sharp interface direct-forcing immersed boundary method using the moving least square approximation

M. Badri Ghomizad, H. Kor, and K. Fukagata

J. Fluid Sci. Technol. 16 ( 2 ) JFST0013 2021.04

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

• Access to Document (DOI)

Convolutional neural network and long short-term memory based reduced order surrogate for minimal turbulent channel flow

T. Nakamura, K. Fukami, K. Hasegawa, Y. Nabae, and K. Fukagata

Phys. Fluids 33   025116 2021.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Machine-learning-based spatio-temporal super resolution reconstruction of turbulent flows

K. Fukami, K. Fukagata, and K. Taira

J. Fluid Mech. 909   A9 2021.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

CNN-LSTM based reduced order modeling of two-dimensional unsteady flows around a circular cylinder at different Reynolds numbers

K. Hasegawa, K. Fukami, T. Murata, and K. Fukagata

Fluid Dyn. Res. 52   065501 2020.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Probabilistic neural networks for fluid flow surrogate modeling and data recovery

R. Maulik, K. Fukami, N. Ramachandra, K. Fukagata, and K. Taira

Phys. Rev. Fluids  5   104401 2020.10

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Convolutional neural network based hierarchical autoencoder for nonlinear mode decomposition of fluid field data

K. Fukami, T. Nakamura, and K. Fukagata

Phys. Fluids 32   095110 2020.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Turbulent friction drag reduction on Clark-Y airfoil by passive uniform blowing

S. Hirokawa, M. Ohashi, K. Eto, K. Fukagata, and N. Tokugawa

AIAA J. 58   4178 - 4180 2020.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Machine-learning-based reduced-order modeling for unsteady flows around bluff bodies of various shapes

K. Hasegawa, K. Fukami, T. Murata, and K. Fukagata

Theor. Comput. Fluid Dyn. 34   367 - 383 2020.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Resolvent analysis of turbulent channel flow with manipulated mean velocity profile

R. Uekusa, A. Kawagoe, Y. Nabae, and K. Fukagata

J. Fluid Sci. Technol. 15 ( 3 ) JFST0014 2020.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Parametric study toward optimization of blowing and suction locations for improving lift-to-drag ratio on a Clark-Y airfoil

M. Ohashi, Y. Morita, S. Hirokawa, K. Fukagata, and N. Tokugawa

J. Fluid Sci. Technol. 15 ( 2 ) JFST0008 2020.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Experimental investigation on friction drag reduction on an airfoil by passive blowing

S. Hirokawa, K. Eto, K. Fukagata, and N. Tokugawa

J. Fluid Sci. Technol. 15 ( 2 ) JFST0011 2020.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Assessment of supervised machine learning methods for fluid flows

K. Fukami, K. Fukagata, and K. Taira

Theor. Comput. Fluid Dyn. 34   497 - 519 2020.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Prediction of drag reduction effect by streamwise traveling wave-like wall deformation in turbulent channel flow at practically high Reynolds numbers

Y. Nabae, K. Kawai, and K. Fukagata

Int. J. Heat Fluid Flow 82   108550 2020.01

Research paper (scientific journal), Accepted

• Access to Document (DOI)

Nonlinear mode decomposition with convolutional neural networks for fluid dynamics

T. Murata, K. Fukami, and K. Fukagata,

J. Fluid Mech. 882   A13 2020.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Assessment of friction drag reduction on a Clark-Y airfoil by uniform blowing

K. Eto, Y. Kondo, K. Fukagata, and N. Tokugawa

AIAA J. 57 ( 7 ) 2774 - 2782 2019.07

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Synthetic turbulent inflow generator using machine learning

K. Fukami, Y. Nabae, K. Kawai, and K. Fukagata

Phys. Rev. Fluids 4 ( 6 ) 064603 2019.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Super-resolution reconstruction of turbulent flows with machine learning

K. Fukami, K. Fukagata, and K. Taira

J. Fluid Mech. 870   106 - 120 2019.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Seasonal variation in atmospheric particle electrostatic charging states determined using a parallel electrode plate device

Iwata A., Fujioka K., Yonemichi T., Fukagata K., Kurosawa K., Tabata R., Kitagawa M., Takashima T., Okuda T.

Atmospheric Environment 203   62 - 69 2019.04

Research paper (scientific journal), Joint Work, Accepted

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Numerical simulation of parallel-plate particle separator for estimation of charge distribution of PM2.5

Yonemichi T., Fukagata K., Fujioka K., Okuda T.

Aerosol Science and Technology 53 ( 4 ) 394 - 405 2019.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Proposal of control laws for turbulent skin friction reduction based on resolvent analysis

Kawagoe A., Nakashima S., Luhar M., Fukagata K.

J. Fluid Mech. 866   810 - 840 2019.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Reconsideration of spanwise rotating turbulent channel flows via resolvent analysis

S. Nakashima, M. Luhar, and K. Fukagata

J. Fluid Mech. 861   200 - 222 2019.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Near-surface electron transport and its influence on the discharge structure of nanosecond-pulsed dielectric-barrier-discharge under different electrode polarities

Hua W., Fukagata K.

Phys. Plasmas 26 ( 1 )  2019.01

Research paper (scientific journal), Joint Work, Accepted

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Reynolds number effect of drag reduction by traveling wave-like wall deformation in turbulent channel flow

Y. Nabae, K. Kawai, and K. Fukagata

Proc. 12th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM12)  2018.09

Research paper (international conference proceedings), Joint Work, Accepted

Extension of the unified interpolation stencil for immersed boundary method for moving boundary problems

H. Kor, M. Badri Ghomizad, and K. Fukagata

J. Fluid Sci. Technol. 13   JFST0008 2018.07

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Friction drag reduction on a Clark-Y airfoil using uniform blowing

K. Eto, Y. Kondo, K. Fukagata, and N. Tokugawa

AIAA Paper AIAA 2018-3374 2018.06

Research paper (international conference proceedings)

• Access to Document (DOI)

Core position alignment in polymer optical waveguides fabricated using the Mosquito method

K. Date, K. Fukagata, and T. Ishigure

Optics Express 26   15632 - 15641 2018.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Influence of grid resolution in fluid-model simulation of nanosecond dielectric barrier discharge plasma actuator

W. Hua and K. Fukagata

AIP Advances 8 ( 4 ) 045209 2018.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Precise core alignment in fabrication of polymer optical waveguides using the Mosquito method for three-dimensional optical circuits

K. Date, K. Fukagata, and T. Ishigure

Proc. SPIE 10535   105351Y 2018.02

Research paper (international conference proceedings)

• Access to Document (DOI)

Drag reduction capability of uniform blowing in supersonic wall-bounded turbulent flows

Y. Kametani, A. Kotake, K. Fukagata, and N. Tokugawa

Phys. Rev. Fluids 2   123904 2017.12

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Turbulent drag reduction by uniform blowing over a two-dimensional roughness

E. Mori, M. Quadrio, and K. Fukagata

Flow Turbul. Combust. 99   765 - 785 2017.12

Research paper (scientific journal), Joint Work, Accepted

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Towards a theoretical model of heat transfer for hot-wire anemometry close to solid walls

Y. Ikeya, R. Örlü, K. Fukagata, and P. H. Alfredsson

Int. J. Heat Fluid Flow 68   248 - 256 2017.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Assessment of suboptimal control for turbulent skin friction reduction via resolvent analysis

S. Nakashima, K. Fukagata, and M. Luhar

J. Fluid Mech. 828   496 - 526 2017.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

A unified interpolation stencil for ghost-cell immersed boundary method for flow around complex geometries

H. Kor, M. Badri Ghomizad, and K. Fukagata

J. Fluid Sci. Technol. 12   JFST0011 2017.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Numerical simulation and sensitivity analysis of a low-Reynolds-number flow around a square cylinder controlled using plasma actuators

Y. Anzai, K. Fukagata, P. Meliga, E. Boujo, and F. Gallaire

Phys. Rev. Fluids 2   043901 2017.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Heat transfer in fully developed turbulent channel flow with streamwise traveling wave-like wall deformation

K. Uchino, H. Mamori, and K. Fukagata

J. Therm. Sci. Technol. 12   JTST0003 2017.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Drag-reducing performance of obliquely aligned superhydrophobic surface in turbulent channel flow

S. Watanabe, H. Mamori, and K. Fukagata

Fluid Dyn. Res. 49   025501 2017.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Fabrication for low-loss polymer optical waveguide with graded-index perfect circular core using the Mosquito method

Y. Saito, K. Fukagata, and T. Ishigure

2016 IEEE CPMT Symposium Japan (ICSJ)  2016.12

Research paper (international conference proceedings)

• Access to Document (DOI)

Direct numerical simulation of drag reduction with uniform blowing over a rough wall

E. Mori, M. Quadrio, and K. Fukagata

Proc. 11th Int. ERCOFTAC Symp. on Engineering Turbulence Modelling and Measurements (ETMM11)  2016.09

Research paper (international conference proceedings), Joint Work, Accepted

Revisiting hot-wire anemometry close to solid wall

Y. Ikeya, R. Örlü, K. Fukagata, and P. H. Alfredsson

Proc. 11th Int. ERCOFTAC Symp. on Engineering Turbulence Modelling and Measurements (ETMM11)  2016.09

Research paper (international conference proceedings), Joint Work, Accepted

Drag reduction in spatially developing turbulent boundary layers by spatially intermittent blowing at constant mass-flux

Y. Kametani, K. Fukagata, R. Örlü, and P. Schlatter

J. Turbul. 17   913 - 929 2016.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Measurement and control of forces acting on a solar panel

Y. Ikeya, K. Fukagata, N. Ichijo, M. Hasegawa, and S. Matsuno

Proc. 5th Int. Conf. on Jets, Wakes and Separated Flows (ICJWSF2015) (Springer)     595 - 600 2016.07

Research paper (international conference proceedings)

• Access to Document (DOI)

A Linearized k-ϵ Model of Forest Canopies and Clearings

A. Segalini, T. Nakamura, and K. Fukagata

Boundary-Layer Meteorology 161   439 - 460 2016.07

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Low-loss polymer optical waveguides with graded-index perfect circular cores for on-board interconnection

Y. Saito, K. Fukagata, and T. Ishigure

Proc. SPIE 9750   975005 2016.03

Research paper (international conference proceedings)

• Access to Document (DOI)

Friction drag reduction of a spatially developing boundary layer using a combined uniform suction and blowing

D. Noguchi, K. Fukagata, and N. Tokugawa

J. Fluid Sci. Technol. 11   JFST0004 2016.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

ffects of uniform blowing or suction on the amplitude modulation in spatially developing turbulent boundary layers

Y. Kametani, R. Örlü, P. Schlatter, and K. Fukagata

Advances in Computation, Modeling and Control of Transitional and Turbulent Flows    185 - 194 2016.01

Research paper (international conference proceedings)

• Access to Document (DOI)

Numerical simulation of electro-conjugate fluid flow considering electric double layer

Y. Iijima, K. Hosoda, K. Takemura, K. Fukagata, and K. Edamura

Mech. Eng. J. 2   15-00341 2015.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Effect of uniform blowing/suction in a turbulent boundary layer at moderate Reynolds number

Y. Kametani, K. Fukagata, R. Örlü, and P. Schlatter

Int. J. Heat Fluid Flow 55   132 - 142 2015.10

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Effects of wall temperature on skin-friction measurements by oil-film interferometry

H. Bottini, M. Kurita, H. Iijima, and K. Fukagata

Meas. Sci. Technol. 26   105301 2015.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Measurement of vortex suppression effects by plasma actuators using stereo particle image velocimetry

S. Hataoka, H. Gejima, and K. Fukagata

Proc. ASME-JSME-KSME Joint Fluids Engineering Conference 2015 (AJK2015-FED)    Paper 14151 2015.07

Research paper (international conference proceedings)

Effects of spanwise non-uniformity on the performance of a plasma actuator

Y. Morimoto, K. Matsumoto, and K. Fukagata

Proc. ASME-JSME-KSME Joint Fluids Engineering Conference 2015 (AJK2015-FED)    Paper 14076 2015.07

Research paper (international conference proceedings)

Drag reduction in spatially developing turbulent boundary layers by blowing at constant mass-flux

Y. Kametani, K. Fukagata, R. Örlü, and P. Schlatter

Proc. 9th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP-9)  2015.06

Research paper (international conference proceedings), Accepted

Suppression of vortex shedding from a pantograph head using vortex generator-type plasma actuators

H. Gejima, R. Takinami, K. Fukagata, T. Mitsumoji, T. Sueki, and M. Ikeda

J. Fluid Sci. Technol. 10 ( 1 ) JFST0006 2015.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Direct numerical simulation of a turbulent mixing layer with a perpendicularly oscillated inflow

Y. Kametani, M. Kawagoe, and K. Fukagata

J. Fluid Sci. Technol. 10 ( 1 ) JFST0004 2015.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Aerodynamic noise reduction of a pantograph panhead by applying a flow control method

T. Mitsumoji, T. Sueki, N. Yamazaki, Y. Sato, M. Ikeda, R. Takinami, H. Gejima, and K. Fukagata

Noise and Vibration Mitigation for Rail Transportation Systems. Notes on Numerical Fluid Mechanics and Multidisciplinary Desig 126   515 - 522 2015

Research paper (international conference proceedings), Accepted

• Access to Document (DOI)

Control of flow around a circular cylinder for minimizing energy dissipation

H. Naito and K. Fukagata

Phys. Rev. E 90   053008 (10 pages) 2014.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Drag reduction effect by a wave-like wall-normal body force in a turbulent channel flow

H. Mamori and K. Fukagata

Phys. Fluids 26   115104 (22 pages) 2014.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Basic study on aerodynamic noise reduction techniques for a pantograph head using plasma actuators

T. Mitsumoji, Y. Sato, M. Ikeda, T. Sueki, and K. Fukagata

Quarterly Report of RTRI 55   184 - 189 2014.10

Research paper (bulletin of university, research institution), Joint Work, Accepted

• Access to Document (DOI)

Active control of vortex shedding: An explanation of the gain window

S. J. Illingworth, H. Naito, and K. Fukagata

Phys. Rev. E 90   143014 (9 pages) 2014.10

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Drag reduction in turbulent bounady layers: effect of uniform blowing and suction

Y. Kametani, K. Fukagata, R. Örlü, and P. Schlatter

Proc. 10th Int. ERCOFTAC Symp. on Engineering Turbulence Modelling and Measurements (ETMM10)  2014.09

Research paper (international conference proceedings), Joint Work, Accepted

Direct numerical simulation of heat transfer control by means of traveling wave-like wall deformation

K. Uchino and K. Fukagata

Proc. 10th Int. ERCOFTAC Symp. on Engineering Turbulence Modelling and Measurements (ETMM10)  2014.09

Research paper (international conference proceedings), Joint Work, Accepted

Detached eddy simulation of spatially developing turbulent boundary layer at high Reynolds number with uniform blowing

R. Kidogawa , Y. Kametani, and K. Fukagata

Proc. 10th Int. ERCOFTAC Symp. on Engineering Turbulence Modelling and Measurements (ETMM10)  2014.09

Research paper (international conference proceedings), Joint Work, Accepted

A Smoothed void fraction approach for the detection of bubble cluster

C. Santarelli, K. Hashimoto, K. Fukagata, and J. Frölich

Proc. ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting     Paper No. FEDSM2014-21244 2014.08

Research paper (international conference proceedings), Accepted

• Access to Document (DOI)

Numerical simulation of a low-Reynolds number flow around a square cylinder controlled using plasma actuator

Y. Anzai, H. Naito, and K. Fukagata

Proc. Int. Symp. on Electrohydrodynamics 2014    Paper P30 2014.06

Research paper (international conference proceedings)

Control of flow around a pantograph head using vortex generator-type plasma actuator

H. Gejima, R. Takinami, K. Fukagata, T. Mitsumoji, T. Sueki, and M. Ikeda

Proc. Int. Symp. on Electrohydrodynamics 2014    Paper P12 2014.06

Research paper (international conference proceedings)

Direct numerical simulation of flow around a circular cylinder controlled using plasma actuators

T. Igarashi, H. Naito, and K. Fukagata

Math. Probl. Eng. 2014   591807 (13 pages) 2014.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Governing equations for electro-conjugate fluid flow

K. Hosoda. K. Takemura, K. Fukagata, S. Yokota, and K. Edamura

Proc. SPIE 8923   89234Z 2013.12

Research paper (international conference proceedings)

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プラズマアクチュエータによるパンタグラフ舟体の空力音低減手法の基礎検討

FUKAGATA Koji

鉄道総研報告 27 ( 10 ) 11 - 16 2013.10

Research paper (bulletin of university, research institution), Joint Work

Direct numerical simulation of drag reduction in a turbulent channel flow using spanwise traveling wave-like wall deformation

N. Tomiyama and K. Fukagata

Phys. Fluids 25   105115 (21 pages) 2013.10

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Effects of a forest clearing: an experimental and numerical assessment

T. Nakamura, K. Fukagata, A. Segalini, and P. H. Alfredsson

Proc. 8th International Symposium on Turbulence and Shear Flow Phenomena  2013.08

Research paper (international conference proceedings), Accepted

Direct numerical simulation of turbulent mixing layer with transversely oscillating inflow

Y. Kametani, M. Kawagoe, and K. Fukagata

Proc. 8th International Symposium on Turbulence and Shear Flow Phenomena  2013.08

Research paper (international conference proceedings), Accepted

A peristaltic micropump using traveling waves on a polymer membrane

K. Nakahara, M. Yamamoto, Y. Okayama, K. Yoshimura, K. Fukagata, and N. Miki

J. Micromech. Microeng. 23   085024 (7 pages) 2013.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Dynamical optimization of the trailing-edge shape of a bluff body by means of extremum-seeking

K. Nakayama, H. Naito, and K. Fukagata

AIAA Paper    AIAA 2013-2702 2013.06

Research paper (international conference proceedings), Accepted

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Lift and drag control using dielectric barrier discharge plasma actuators installed on the wingtips

T. Mizokami, D. Noguchi, and K. Fukagata

AIAA Paper    AIAA 2013-2456 2013.06

Research paper (international conference proceedings), Accepted

• Access to Document (DOI)

Numerical simulation of a plasma actuator based on ion transport

S. Yamamoto and K. Fukagata

J. Appl. Phys. 113 ( 24 ) 243302 (12pages) 2013.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Numerical simulation of flow around a circular cylinder having porous surface

H. Naito and K. Fukagata

Phys. Fluids 24 ( 117102 ) 1-19 2012.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Direct numerical simulation of spatially developing supersonic boundary layer for skin friction drag reduction

Y. Kametani and K. Fukagata

Proc. 9th Int. ERCOFTAC Symp. on Engineering Turbulence Modeling and Measurements (ETMM9)    Paper 0572 2012.09

Research paper (international conference proceedings), Accepted

Direct numerical simulation of spatially developing turbulent boundary layer for skin friction drag reduction by wall surface-heating or cooling

Y. Kametani and K. Fukagata

J. Turbulence 13 ( 34 ) 1-20 2012.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Relaminarization of turbulent channel flow using traveling wave-like wall deformation

R. Nakanishi, H. Mamori, and K. Fukagata

Int. J. Heat Fluid Flow 35   152-159 2012.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Control of turbulent transport: Less friction and more heat transfer

N. Kasagi, Y. Hasegawa, K. Fukagata, and K. Iwamoto

J. Heat Transfer (ASME)  134 ( 031009 ) 1-10 2012.03

Research paper (scientific journal), Joint Work, Accepted

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Simultaneous control for friction drag reduction and heat transfer augmentation by traveling wave-like blowing/suction

K. Higashi, H. Mamori, and K. Fukagata

Comput. Therm. Sci. 3 ( 6 ) 521-530 2011.12

Research paper (scientific journal), Joint Work, Accepted

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An attempt for suppression of wing-tip vortex using plasma actuators

H. Hasebe, Y. Naka, and K. Fukagata

J. Fluid Sci. Technol. 6 ( 6 ) 976-988 2011.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

System engineering analysis and optimization of a parabolic flight experiment for thermophysical property measurement under microgravity

K. Kakikura, K. Fukagata, and T. Hibiya

J. Jpn. Soc. Microgravity Appl. 28 ( 2 ) S92-S99 2011.10

Research paper (scientific journal), Joint Work, Accepted

Direct numerical simulation of spatially developing turbulent boundary layer with uniform blowing or suction

Y. Kametani and K. Fukagata

J. Fluid Mech. (Cambridge University Press)  681   154-172 2011.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Velocity-pressure correlation measurement using various static pressure probe in a wake of circular cylinder

T. Kawata, Y. Naka, K. Fukagata, and S. Obi

Proc. 7th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP-7)  ( Paper 4C4P )  2011.07

Research paper (international conference proceedings), Accepted

Direct numerical simulation of spatially developing turbulent boundary layer for skin friction drag reduction by wall surface-heating or cooling

Y. Kametani and K. Fukagata

Proc. 7th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP-7)  ( Paper 7C1P )  2011.07

Research paper (international conference proceedings), Accepted

Relaminarization of turbulent channel flow using traveling wave-like wall deformation

R. Nakanishi, K. Fukagata, and H. Mamori

Proc. 7th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP-7)  ( Paper 9D4P )  2011.07

Research paper (international conference proceedings), Joint Work, Accepted

Direct numerical simulation of turbulent friction drag reduction by traveling wave-like blowing using plasma actuators

Y. Murai and K. Fukagata

Proc. ASME-JSME-KSME Joint Fluids Engineering Conf. 2011 (AJK2011)  ( Paper AJK2011-25008 ) 3905 - 3910 2011.07

Research paper (international conference proceedings)

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Numerical simulation of mixing enhancement and suppression in two-dimensional mixing layer

M. Kawagoe and K. Fukagata

Proc. ASME-JSME-KSME Joint Fluids Engineering Conf. 2011 (AJK2011)  ( Paper AJK2011-25003 ) 3871 - 3877 2011.07

Research paper (international conference proceedings)

• Access to Document (DOI)

Simultaneous measurements of disk vibration and pressure fluctuation in turbulent flow developing in a model hard disk drive

D. Kurashima, Y. Naka, K. Fukagata, and S. Obi

Int. J. Heat Fluid Flow (Elsevier)  32   567-574 2011.06

Research paper (scientific journal), Joint Work, Accepted

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Realizing turbulent statistics

J. Hœpffner, Y. Naka, and K. Fukagata

J. Fluid Mech. (Cambridge University Press)  676   54-80 2011.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Analysis of cell accumulation mechanism in a rotational culture system

K. Fukagata, K. S. Furukawa, and T. Ushida

J. Mech. Med. Biol. (World Scientific)  11   407-421 2011.04

Research paper (scientific journal), Joint Work, Accepted

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プラズマアクチュエータを用いた翼端渦抑制の試み

FUKAGATA Koji

日本機械学会論文集B編 77   659-671 2011.03

Research paper (scientific journal), Joint Work, Accepted

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Simultaneous measurement of velocity and fluctuating pressure in a turbulent wing-tip vortex using triple hot-film sensor and miniature total pressure probe

T. Kawata, Y. Naka, K. Fukagata, and S. Obi

Flow Turbul. Combust. (Springer)  86   419-437 2011.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Drag reduction by streamwise traveling wave-like Lorenz Force in channel flow

H. Mamori and K. Fukagata

Journal of Physics: Conference Series 318   022030 2011

Research paper (international conference proceedings), Joint Work, Accepted

• Access to Document (DOI)

Control of turbulent transport: Less friction and more heat transfer

N. Kasagi, Y. Hasegawa, K. Fukagata, and K. Iwamoto

Proc. 2010 14th International Heat Transfer Conference 8 ( Paper No. IHTC14-23344 ) 309 - 324 2010.08

Research paper (international conference proceedings), Joint Work, Accepted

• Access to Document (DOI)

Aerodynamics of a hard disk drive: Measurement of flow velocity, pressure fluctuations and disk vibration

D. Kurashima, Y. Naka, K. Fukagata, and S. Obi

Proc. 8th Int. Symp. Engineering Turbulence Modelling and Measurements (ETMM8)    104 - 109 2010.07

Research paper (international conference proceedings), Joint Work, Accepted

Consistent scheme for computation of Reynolds stress and turbulent kinetic energy budgets for energy-conservative finite difference method

H. Mamori and K. Fukagata

J. Comput. Sci. Technol. (JSME)  4 ( 1 ) 64-75 2010.06

Research paper (scientific journal), Joint Work, Accepted

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The phase relationship in laminar channel flow controlled by traveling wave-like blowing/suction

H. Mamori, K. Fukagata, and J. Hœpffner

Phys. Rev. E (American Physical Society)  81 ( 4 ) 046304 (11 pages) 2010.04

Research paper (scientific journal), Joint Work, Accepted

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Near-field development of a turbulent mixing layer periodically forced by a bimorph PVDF film actuator

Y. Naka, K. Tsuboi, Y. Kametani, K. Fukagata, and S. Obi

J. Fluid Sci. Technol. (JSME)  5   156-168 2010.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Toward cost-effective control of wall turbulence for skin friction drag reduction

N. Kasagi, Y. Hasegawa, and K. Fukagata

Advances in Turbulence XII (Springer)     189 - 200 2009.10

Research paper (international conference proceedings), Accepted

• Access to Document (DOI)

Simultaneous measurement of three velocity components and pressure fluctuation in a turbulent wing-tip vortex

T. Kawata, Y. Naka, K. Fukagata, and S. Obi

Proc. 6th Int. Symp. on Turbulence, Heat and Mass Transfer  2009.09

Research paper (international conference proceedings), Accepted

Pumping or drag reduction?

J. Hoepffner and K. Fukagata

J. Fluid Mech. (Cambridge University Press)  635   171-187 2009.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Modification of flow around a circular cylinder using porous media

H. Naito, K. Fukagata, and S. Obi

Proc. 6th Int. Symp. on Turbulence and Shear Flow Phenomena    1019 - 1024 2009.06

Research paper (international conference proceedings), Accepted

Drag reduction in channel flow by traveling wave-like surface heating/cooling

H. Mamori, K. Fukagata, J. Hoepffner, S. Obi

Proc. 6th Int. Symp. on Turbulence and Shear Flow Phenomena    581 - 586 2009.06

Research paper (international conference proceedings), Joint Work, Accepted

On the lower bound of net driving power in controlled duct flows

K. Fukagata, K. Sugiyama, and N. Kasagi

Physica D: Nonlinear Phenomena (Elsevier)  238 ( 13 ) 1082-1086 2009.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

大規模乱流構造の制御による摩擦抵抗低減効果に関する検討

FUKAGATA Koji

日本機械学会論文集B編 75 ( 752 ) 635-641 2009.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Simultaneous measurement of velocity and pressure in a wing-tip vortex

Y. Naka, S. Azegami, T. Kawata, K. Fukagata, and S. Obi

J. Fluid Sci. Technol. (JSME)  4 ( 1 ) 107-115 2009.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Performance assessment and improvement of a split-and-recombine micromixer for immunomagnetic cell sorting

C. Chaktranond, K. Fukagata, and N. Kasagi

J. Fluid Sci. Technol. (JSME)  3 ( 8 ) 1008-1019 2008.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Evolutionary optimization of an anisotropic compliant surface for turbulent friction drag reduction

K. Fukagata, S. Kern, P. Chatelain, P. Koumoutsakos, and N. Kasagi

J. Turbul. (Taylor & Francis)  9 ( 35 ) 1-17 2008.10

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Manipulation of the large-scale structure in wall turbulence for turbulent wall-friction-drag reduction

K. Fukagata, M. Kobayashi, and N. Kasagi

Proc. 7th Int. Symp. on Engineering Turbulence Modelling and Measurement (ETMM7)    131 - 136 2008.06

Research paper (international conference proceedings), Joint Work, Accepted

Numerical analysis of coupled transport and reaction phenomena in an anode-supported flat-tube solid oxide fuel cell

M. Suzuki, N. Shikazono, K. Fukagata, and N. Kasagi

J. Power Sources (Elsevier B.V.)  110 ( 1 ) 29-40 2008.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Optimization of an anisotropic compliant surface for turbulent friction drag reduction

K. Fukagata, S. Kern, P. Chatelain, P. Koumoutsakos, and N. Kasagi

Proc. 5th Int Symp. on Turbulence and Shear Flow Phenomena    727 - 732 2007.08

Research paper (international conference proceedings)

Numerical simulation of gas-liquid two-phase flow and heat transfer with dry-out in a micro tube

Q. He, K. Fukagata, and N. Kasagi

Proc. 6th Int. Conf. on Multiphase Flow    Paper No. S7_Wed_C_40, 12 pp. 2007.07

Research paper (international conference proceedings), Joint Work, Accepted

Near-field development of large-scale vortical structures in a controlled confined coaxial jet

A. Mitsuishi, K. Fukagata, and N. Kasagi

J. Turbul. (Taylor & Francis)  8 ( 23 ) 1-27 2007.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Numerical simulation of gas-liquid two-phase flow and convective heat transfer in a micro tube

K. Fukagata, N. Kasagi, P. Ua-arayaporn, and T. Himeno

Int. J. Heat Fluid Flow (Elsevier Science)  28 ( 1 ) 72-82 2007.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Toward feedback control of wall turbulence for skin friction reduction

N. Kasagi, K. Fukagata, and Y. Suzuki

Proc. Conf. on Active Flow Control    (19 pages) 2006.09

Research paper (international conference proceedings), Accepted

Numerical analysis of heat/mass transfer and electrochemical reaction in an anode-supported flat-tube solid oxide fuel cell

M. Suzuki, N. Shikazono, K. Fukagata, and N. Kasagi

Proc. 4th Int. Conf. Fuel Cell Science, Engineering and Technology (FUELCELL2006)    Paper No. FUELCELL2006-97112, 9 pp. 2006.06

Research paper (international conference proceedings), Accepted

A theoretical prediction of friction drag reduction in turbulent flow by superhydrophobic surfaces

K. Fukagata, N. Kasagi, and P. Koumoutsakos

Phys. Fluids (American Institute of Physics)  18 ( 5 ) 051703 (4 pages) 2006.05

Research paper (scientific journal), Single Work, Accepted

• Access to Document (DOI)

Numerical simulation of gas-liquid two-phase convective heat transfer in a micro tube

P. Ua-arayaporn, K. Fukagata, N. Kasagi, and T. Himeno

Proc. ECI Conf. on Heat Transfer and Fluid Flow in Microscale    Paper 50, 6 pp. 2005.09

Research paper (international conference proceedings), Accepted

On the relationship between large-scale vortical structures and scalar transport processes in a controlled confined coaxial jet

A. Mitsuishi, K. Fukagata, and N. Kasagi

Proc. 4th Int. Symp. Turbulence and Shear Flow Phenomena    841 - 846 2005.06

Research paper (international conference proceedings), Accepted

Novel turbulence control strategy for simultaneously achieving friction drag reduction and heat transfer augmentation

K. Fukagata, K. Iwamoto, and N. Kasagi

Proc. 4th Int. Symp. Turbulence and Shear Flow Phenomena    307 - 312 2005.06

Research paper (international conference proceedings), Accepted

Adaptive control of wall-turbulence for skin friction drag reduction and some consiredation for high Reynolds number flows

N. Kasagi, K. Fukagata, and Y. Suzuki

Proc. 2nd Int. Symp. on Seawater Drag Reduction    17 - 32 2005.05

Research paper (international conference proceedings), Accepted

Feedback control achieving sublaminar friction drag

K. Fukagata, N. Kasagi, and K. Sugiyama

Proc. 6th Symp. on Smart Control of Turbulence    143 - 148 2005.03

Research paper (international conference proceedings)

Friction drag reduction achievable by near-wall turbulence manipulation at high Reynolds numbers

K. Iwamoto, K. Fukagata, N. Kasagi, and Y. Suzuki

Phys. Fluids (American Institute of Physics)  17 ( 1 ) 011702 (4 pages) 2005.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Dynamics of Brownian particles in a turbulent channel flow

K. Fukagata, S. Zahrai, and F. H. Bark

Heat Mass Transfer (Springer Berlin / Heidelberg)  40 ( 9 ) 715-726 2004.07

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Suboptimal control for drag reduction via suppression of near-wall Reynolds shear stress

K. Fukagata and N. Kasagi

Int. J. Heat Fluid Flow (Elsevier Science)  25 ( 3 ) 341-350 2004.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Drag reduction in turbulent pipe flow with feedback control applied partially to wall

K. Fukagata and N. Kasagi

Int. J. Heat Fluid Flow 24 ( 3 ) 480-490 2003.06

Research paper (scientific journal), Single Work

• Access to Document (DOI)

Contribution of Reynolds stress distribution to the skin friction in wall-bounded flows

K. Fukagata, K. Iwamoto, and N. Kasagi

Phys. Fluids 14 ( 11 ) L73-L76 2002.11

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Highly energy-conservative finite difference method for the cylindrical coordinate system

K. Fukagata and N. Kasagi

J. Comput. Phys. (Elsevier Science USA)  181 ( 2 ) 478-498 2002.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Anomalous velocity fluctuations in particulate turbulent channel flow

K. Fukagata, S. Zahrai, S. Kondo, and F. H. Bark

Int. J. Multiphase Flow (Elsevier Science)  27 ( 4 ) 701-719 2001.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

LES of turbulent channel flow of a binary electrolyte

F. Gurniki, K. Fukagata, S. Zahrai, and F. H. Bark

J. Appl. Electrochem. (Kluwer Academic Publishers)  30 ( 12 ) 1335-1343 2000.12

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Numerical Analyses on Dispersed Gas-particle Two-phase Turbulent Flows

K. Fukagata

D. Eng. Thesis (The Univ. of Tokyo)    1-214 2000.09

Doctoral thesis, Single Work

Large Eddy Simulation of Particulate Turbulent Channel Flows

K. Fukagata

TRITA-MEK Technical Report (Doctoral Thesis) (KTH, Stockholm)  1999 ( 17 ) 1-54 +7 papers 2000.02

Doctoral thesis, Single Work

Force balance in a turbulent particulate channel flow

K. Fukagata, S. Zahrai, and F. H. Bark

Int. J. Multiphase Flow (Elsevier Science)  24 ( 6 ) 867-887 1998.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Large Eddy Simulation of Particulate Turbulent Channel Flows

K. Fukagata

TRITA-MEK Technical Report (Licentiate Thesis) 1997 ( 11 ) 1-16 + 3 papers 1997.06

Thesis (other), Single Work

Simulation of particle motion in a turbulent velocity field, part II

K. Fukagata and S. Zahrai

ABB Corporate Research Technical Report (ABB Corporate Research)  1996 ( 107 )  1996

Research paper (bulletin of university, research institution), Joint Work

Simulation of particle motion in a turbulent velocity field, part I

K. Fukagata

ABB Corporate Research Technical Report (ABB Corporate Research)  1995 ( 162 )  1995

Research paper (bulletin of university, research institution), Single Work

粒子法のための拡散モデルの開発

FUKAGATA Koji

東京大学卒業論文    1-146 1994.03

Thesis (other), Single Work