NISHINO Koichi

Affiliation

Faculty of Engineering, Division of Systems Research

Job Title

Professor

Date of Birth

1960

Research Fields, Keywords

Thermal and Fluid Engineering, Thermal and Fluid Measurement

Mail Address

E-mail address


Graduating School 【 display / non-display

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    1984

    The University of Tokyo   Faculty of Engineering   Department of Mechanical Engineering   Graduated

Graduate School 【 display / non-display

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    1990

    The University of Tokyo  Graduate School, Division of Engineering  Department of Mechanical Engineering    Completed

Degree 【 display / non-display

  • Doctor of Engineering -  The University of Tokyo

Campus Career 【 display / non-display

  • 2004.08
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    Now

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Professor  

  • 2001.04
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    2004.07

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Associate Professor  

  • 1996.04
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    2001.03

    Duty   Yokohama National UniversityGraduate School of Engineering   Associate Professor  

  • 1994.04
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    1996.03

    Duty   Yokohama National UniversitySchool of Engineering   Associate Professor  

  • 1990.04
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    1994.03

    Duty   Yokohama National UniversitySchool of Engineering   Lecturer  

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External Career 【 display / non-display

  • 1987.04
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    1989.03

      Research Fellowship for Young Scientists of the Japan Society for the Promotion of Science  

Academic Society Affiliations 【 display / non-display

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    Japan Society of Mechanical Engineers

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    Visualization Society of Japan

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Fluid engineering

  • Thermal engineering

 

Research Career 【 display / non-display

  • Micro imaging of turbulence drag reduction in dilute ploymer solution

    Grant-in-Aid for Scientific Research  

    Project Year:  -   

  • Instability of thermocapillary convection and its microgravity experiment

    New Program for the Promotion of Basic Reseach by Public Corporation  

    Project Year:  -   

  • Development of practical mutli-dimensional flow measurement technique

    Program for Scientific Technology Development for Industries that Creates New Industries  

    Project Year:  -   

Papers 【 display / non-display

  • Turbulence energetics in an axisymmetric impinging jet flow

    Chandra Shekhar and Koichi Nishino

    Physics of Fluids ( AIP Publishing )  31 ( 055111 )   055111-1 - 055111-20   2019.05  [Refereed]

    Single Work

    DOI

  • Flow Visualization of Axisymmetric Steady Marangoni Convection in High-Prandtl-Number Liquid Bridges in Microgravity

    YANO Taishi, NISHINO Koichi

    International Journal of Microgravity Science and Application ( 日本マイクログラビティ応用学会 )  36 ( 2 )   2019.04

    Joint Work

     View Summary

    Microgravity experiments on Marangoni convection in a liquid bridge of high-Prandtl-number fluid so-called Marangoni Experiment in Space (MEIS) and Dynamic Surf (DS) were performed on board the International Space Station (ISS) to understand the Marangoni convection instability. This study reports the internal flow patterns and velocity profiles of the axisymmetric steady Marangoni convection observed in these projects for various Prandtl numbers (Pr = 67, 112 and 207), and for various liquid bridge geometries. The classical three-dimensional particle tracking velocimetry (3-D PTV) is customized for the microgravity experiments, and the spatial structures of the Marangoni convection in liquid bridges are measured with good accuracy. The details of the measurement method currently used, and the results of the 3-D PTV are discussed in this study.

    DOI CiNii

  • Turbulence characteristics of radially-confined impinging jet flows

    C Shekhar,K Nishino

    International Journal of Heat and Fluid Flow   75   278 - 299   2019.02  [Refereed]

    Joint Work

    DOI

  • Effect of interfacial heat transfer on basic flow and instability in a high-Prandtl-number thermocapillary liquid bridge

    T Yano, M Hirotani, K Nishino

    International Journal of Heat and Mass Transfer   125   1121 - 1130   2018.10  [Refereed]

    Joint Work

    DOI

  • Convective mixing of miscible liquids in a rotor-stator spinning disk reactor

    Hitoshi Toma and Koichi Nishino

    Chemical Engineering Journal ( Elsevier )  346   329 - 339   2018.08  [Refereed]

    Joint Work

     View Summary

    Convective mixing of two miscible liquids injected into a rotor-stator spinning disk reactor (RS-SDR) has been studied using an LIF technique and CFD simulations. The fluids are ammonia water and fluorescein ammonia water solutions. The RS-SDR has a rotor 100mm in diameter and a thin circular cavity 0.10–0.15mm in height between the rotor and stator. Laminar flow conditions for rotation speeds up to 120 rpm and total flow rates up to 8 mL/min are considered. The fluorescein solution is injected from the second off-center hole into the cavity filled with the ammonia water supplied from the central hole. The LIF technique visualizes a spiral streak pattern formed downstream of the second injection hole. This streak pattern is analyzed to calculate the local mixedness of the two fluids. It is determined that the mixedness increases for lower flow rates, while it is less sensitive to rotation speed and cavity height. The CFD simulations indicate that the spiral streak pattern is deformed and stretched in the radial direction to form a densely layered structure of the two fluids. The development of the mixedness along the streak pattern is correlated well with Reinlet/Recavity, where Reinlet and Recavity are the Reynolds numbers for the injected flow and the azimuthal flow in the cavity, respectively. This Reynolds number ratio is shown to be related to the Rossby number and the position and radius of the second injection hole. The proposed correlation is based on a linear combination of injection mixing and rotation mixing. The mixedness decreases with Reinlet/Recavity because the injection mixing decreases with Reinlet while the rotation mixing increases with Recavity.

    DOI

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Review Papers 【 display / non-display

  • In focus: JEREMI, Advancements in understanding Marangoni instabilities and particle accumulations under μ-g conditions

    European Low Gravity Research Association (ELGRA) Newsletter.     2016.12

    Introduction and explanation (scientific journal)   Single Work

     View Summary

    日欧共同宇宙実験として準備が進められているJEREMI(Japanese European Research Experiment on Marangoni Instabilities)について、欧州微小重力研究機構(ELGRA)のニュースレターに掲載されたもの。

  • 特集記事 第4章 MEIS

    松本聡, 西野耕一, 上野一郎, 矢野大志, 河村洋

    International Journal of Microgravity Science and Application   31 ( Supplement ) S51 - S79   2014.03

    Introduction and explanation (scientific journal)   Joint Work

     View Summary

    温度差駆動の液柱マランゴニ対流の不安定性に関する宇宙実験として実施されたMEIS(Marangoni Experiment in Space)について概説した特集記事。MEIS実験、宇宙実験用装置、実験運用、実験成果、参考文献より構成される。

Academic Awards Received 【 display / non-display

  • Paper Award of Japan Society of Mechanical Engineers

    1989.03    

Grant-in-Aid for Scientific Research 【 display / non-display

  • Grant-in-Aid for Scientific Research(B)

    Project Year: 2012.04  -   

Presentations 【 display / non-display

  • Space experiments and application of PIV techniques for the study of instability mechanisms of thermocapillary convection

    Koichi Nishino,Taishi Yano

    ISPIV17 (The 12th International Symposium on Particle Image Velocimetry, 2017.19-21)   (Busan (Korea) )  2017.06.22   Korean Society of Visualization

  • Application of subgrid stress model to volumetric PIV results for estimation of turbulence dissipation rate in a stirred mixer

    Proceedings of the 11th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics  (South Africa)  2015.07  

  • Numerical evaluation of influence of internal ribs on heat transfer in flat plate film cooling

    Proceedings of ASME Turbo Expo 2013: Turbine Technical Conference and Exposition  (Texas, USA)  2013.06.03  

Preferred joint research theme 【 display / non-display

  • Development and Application of Thermal and Fluid Measurement Techniques

Past of Collaboration and Commissioned Research 【 display / non-display

  • Study of Particle Analyzer Based on Particle Image Velocimetry

    Funded Research offered by Enterprises  

    Project Year: 2002  -  2002