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Sekimoto Atsushi

関本 敦

Graduate School of Engineering Science Department of Materials Engineering Science, Assistant Professor

keyword Turbulence

Education

  • - 2010/03, Osaka University, Graduate School, Division of Engineering Science
  • - 2007/03, Osaka University, Graduate School, Division of Engineering Science
  • - 2005/03, Osaka University, Faculty of Engineering Science

Research History

  • 2017/09 - Present, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Graduate School of Engineering Science Department of Materials Engineering Science Division of Chemical Engineering, Assistant Professor
  • 2009/04 - 2010/03, Research Fellow of the Japan Society for the Promotion of Science (DC2)
  • 2010/04 - 2011/03, Advanced Knowledge Laboratory Inc. (AKL)
  • 2011/07 - 2016/01, Universidad Politécnica de Madrid, Research Fellow
  • 2016/04 - 2017/09, Monash University, Research Fellow

Research Areas

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Thermal engineering
  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Transfer phenomena and unit operations
  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Fluid engineering
  • Natural sciences, Mathematical physics and basic theory
  • Informatics, Computational science

Papers

  • Optimal Control of SiC Crystal Growth in the RF-TSSG System Using Reinforcement Learning, Lei Wang,Atsushi Sekimoto,Yuto Takehara,Yasunori Okano,Toru Ujihara,Sadik Dost, Crystals, MDPI AG, Vol. 10, No. 9, p. 791-791, 2020/09/07
  • The Numerical Estimation of Mass Transfer Coefficient of Oxygen in the Large-Scale Suspension Culture of iPS Cells, R Isobe,Y Kanemaru,A Sekimoto,Y Okano,M Kino-Oka, IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 778, p. 012030-012030, 2020/05/01
  • Global Linear Stability Analysis of Thermo-solutal Marangoni Convection in a Liquid Bridge Under Zero Gravity, Radeesha Laknath Agampodi Mendis,Atsushi Sekimoto,Yasunori Okano,Hisashi Minakuchi,Sadik Dost, Microgravity Science and Technology, Springer Science and Business Media LLC, 2020/05
  • Characterization of the thermal and solutal Marangoni flows of opposite directions developing in a cylindrical liquid bridge under zero gravity, Physics of Fluids, Vol. 32, 2020/03
  • Numerical Study of Three-Dimensional Melt Flows during the TSSG Process of SiC Crystal for the Influence of Input Parameters of RF-Coils and an External Rotating Magnetic Field, Lei Wang,Yuto Takehara,Atsushi Sekimoto,Yasunori Okano,Toru Ujihara,Sadik Dost, Crystals, MDPI AG, Vol. 10, No. 2, p. 111-111, 2020/02/12
  • Bayesian Optimization for a High-and Uniform-Crystal Growth Rate in the Top-Seeded Solution Growth Process of Silicon Carbide under Applied Magnetic Field and Seed Rotation, Vol. 532, 2020/02
  • Analysis of the factors contributing to the skin friction coefficient in adverse pressure gradient turbulent boundary layers and their variation with the pressure gradient, Shevarjun Senthil,Vassili Kitsios,Atsushi Sekimoto,Callum Atkinson,Julio Soria, International Journal of Heat and Fluid Flow, Elsevier BV, Vol. 82, p. 108531-108531, 2020/02
  • Outer scaling of self-similar adverse-pressure-gradient turbulent boundary layers, 2019/12
  • Numerical investigation of particle dispersion in the preprocessing stage for a static cell cultivation, Vol. 12, p. 83-87, 2019/12
  • The three-dimensional structures in turbulent Couette-Poiseuille flows on the verge of separation, 2019/08
  • Modal analysis of coherent structures in self-similar turbulent boundary layers with adverse pressure gradient, 2019/08
  • 統計的に定常な一様剪断乱流への安定密度成層の影響, Vol. 21, No. 1, p. 96-98, 2019/08
  • Effect of thin and rough layers of porous materials on drag, 2019/07
  • Adjoint-based sensitivity analysis for the optimal crucible temperature profile in the RF-Heating TSSG-SiC crystal growth process, 2019/05
  • Three-dimensional numerical analysis of Marangoni convection occurring during the growth process of SiC by the RF-TSSG method, 2019/05
  • The effect of crucible rotation and crucible size in top-seeded solution growth of single crystal silicon carbide, 2019/04
  • Numerical investigation of the effect of heating rate on InGaSb crystal growth under zero-gravity, 2019/04
  • Direct numerical simulation of self-similar adverse-pressure-gradient turbulent boundary layer and scaling for turbulent statistics, Atsushi SEKIMOTO,Vassili Kitsios,Callum Atkinson,Julio Soria, Vol. 37, No. 6, p. 536-539, 2018/12
  • The numerical study of coexistence effect of thermal and solutal Marangoni convections in a liquid bridge, p. 244-252, 2018/12
  • Numerical Simulation of Shaking Optimization in a Suspension Culture of iPS Cells, p. 283-289, 2018/12
  • Numerical optimization of the shaking speed suspension culture of iPS cells, 2018/12
  • Numerical simulation of particle dispersion in a preprocessing of a static culture, 2018/12
  • Stability of a self-similar adverse pressure gradient turbulent boundary layer, 2018/12
  • Quadrant analysis and integral length scale of Couette-Poiseuille flows on the verge of separation, 2018/12
  • Numerical investigation of the effect of static magnetic field on the TSSG growth of SiC, Lei Wang,Takashi Horiuchi,Atsushi Sekimoto,Yasunori Okano,Toru Ujihara,Sadik Dost, Journal of Crystal Growth, Elsevier BV, Vol. 498, p. 140-147, 2018/09
  • Near-wall structures in Couette- Poiseuille flows at the verge of separation, 2018/07
  • Characterisation of minimal-span plane Couette turbulence with pressure gradients, Atsushi Sekimoto,Callum Atkinson,Julio Soria, Journal of Physics: Conference Series, Institute of Physics Publishing, Vol. 1001, No. 1, 2018/04/12
  • Reynolds stress structures in a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation, Vol. 1001, No. 1, 2018/04
  • Numerical investigation of the nano-scale solutal Marangoni convections, Y. Imai,T. Yamamoto,A. Sekimoto,Y. Okano,R. Sato,Y. Shigeta, Journal of the Taiwan Institute of Chemical Engineers, Taiwan Institute of Chemical Engineers, Vol. 98, p. 20-26, 2018
  • Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation, Vassili Kitsios,Atsushi Sekimoto,Callum Atkinson,Juan A. Sillero,Guillem Borrell,Ayse G. Gungor,Javier Jiménez,Julio Soria, Journal of Fluid Mechanics, Vol. 829, p. 392-419, 2017/10
  • Intense focal and Reynolds stress structures of a self-similar adverse pressure gradient turbulent boundary layer, 2017/10
  • Vertically localised equilibrium solutions in large-eddy simulations of homogeneous shear flow, Atsushi Sekimoto,Javier Jimenez, JOURNAL OF FLUID MECHANICS, CAMBRIDGE UNIV PRESS, Vol. 827, p. 225-249, 2017/09
  • Coherent structures in statistically stationary homogeneous shear turbulence, Siwei Dong,Adrian Lozano-Duran,Atsushi Sekimoto,Javier Jimenez, JOURNAL OF FLUID MECHANICS, CAMBRIDGE UNIV PRESS, Vol. 816, p. 167-208, 2017/04
  • Coherent structures in a self-similar adverse pressure gradient turbulent boundary layer, 2016/12
  • Experimental measurements of a self-similar adverse pressure gradient turbulent boundary layer, 2016/12
  • Unstable periodic orbits in plane Couette flow with the Smagorinsky model, Eiichi Sasaki,Genta Kawahara,Atsushi Sekimoto,Javier Jemenez, 2ND MULTIFLOW SUMMER SCHOOL ON TURBULENCE, IOP PUBLISHING LTD, Vol. 708, No. 1, 2016/04
  • Direct numerical simulation of statistically stationary and homogeneous shear turbulence and its relation to other shear flows, Atsushi Sekimoto,Siwei Dong,Javier Jimenez, PHYSICS OF FLUIDS, AMER INST PHYSICS, Vol. 28, No. 3, 2016/03
  • Turbulence- and buoyancy-driven secondary flow in a horizontal square duct heated from below, A. Sekimoto,G. Kawahara,K. Sekiyama,M. Uhlmann,A. Pinelli, PHYSICS OF FLUIDS, AMER INST PHYSICS, Vol. 23, No. 7, 2011/07
  • Reynolds number dependence of mean flow structure in square duct turbulence (vol 653, pg 537, 2010), Alfredo Pinelli,Markus Uhlmann,Atsushi Sekimoto,Genta Kawahara, JOURNAL OF FLUID MECHANICS, CAMBRIDGE UNIV PRESS, Vol. 653, p. 537-537, 2010/06
  • Erratum: Reynolds number dependence of mean flow structure in square duct turbulence (Journal of Fluid Mechanics 644 (107-122) doi:10.1017/ S0022112009992242), Vol. 653, 2010/06
  • Reynolds number dependence of mean flow structure in square duct turbulence, Alfredo Pinelli,Markus Uhlmann,Atsushi Sekimoto,Genta Kawahara, JOURNAL OF FLUID MECHANICS, CAMBRIDGE UNIV PRESS, Vol. 644, p. 107-122, 2010/02
  • (行事報告) 流体若手夏の学校2009 –工学における流体シミュレーション技術– の報告, Vol. 28, 2009/10
  • Coherent structures in marginally turbulent square duct flow, Markus Uhlmann,Alfredo Pinelli,Atsushi Sekimoto,Genta Kawahara, IUTAM SYMPOSIUM ON COMPUTATIONAL PHYSICS AND NEW PERSPECTIVES IN TURBULENCE, SPRINGER, Vol. 4, p. 137-142, 2008/12
  • 正方形ダクト乱流の直接数値シミュレーション, Vol. 10, No. 5, 2008/09

Awards

  • 日本流体力学会「竜門賞」, 2020/04
  • 第 82 期定時総会講演会 フェロー賞, 2007/03

Committee Memberships

  • 化学工学会誌トピックス委員(熱工学), 2019/01 - Present
  • 熱工学部会役員 企画幹事, 2019/04 - Present