Koji Kunitsugu

Profile Information

Affiliation: Yamaguchi University

Degree: Doctor (Engineering)(Yamaguchi University)

Researcher number: 10253171
J-GLOBAL ID: 201801002387827120
researchmap Member ID: 7000022114

Research Interests

Thermal Fluid Flow Engineering

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Thermal engineering /

Research History

Apr, 2008 - Present

Research Associate, Graduate School of Science and Engineering(Engineering), YAMAGUCHI UNIVERSITY

Education

- Mar, 1993

Department of Physics, Faculty of Science, Yamaguchi University

Papers

Study on a change in the behavior of flame on bluff-body under the transitional regime by swirled air flow

Tatsuo Nishimura, Koji Kunitsugu, Genryu Ooe, Ken-Ichiro Tanoue

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 79(803) 1196-1207, 2013 Peer-reviewed
The hysteresis phenomenon in flame lift-off on a bluff-body burner under airflow dominant conditions

Tatsuo Nishimura, Koji Kunitsugu, Ken-ichi Mono

COMBUSTION AND FLAME, 159(4) 1499-1502, Apr, 2012 Peer-reviewed
3D Numerical Simulation for Natural convection of Water with Density Inversion in a Rectangular Enclosure "jointly worked"

K. Kunitsugu, T. Nisimura

60(2) 45-55, Feb, 2010
Mass transfer enhancement by pulsatile flows in grooved channels (The effects of groove length on the resonant mass transfer enhancement)

Koji Kunitsugu, Tatsuo Nishimura, Ken-Ichiro Tanoue

Heat Transfer - Asian Research, 37(4) 240-257, Jun, 2008 Invited
The Fluid Dynamical Properties of a Dilute Surfactant Solution Around a Circular Cylinder

NISHIMURA Tatsuo, KUNITSUGU Koji, OCHI Yusuke, KONISHI Kenta, TANOUE Ken-ichiro

JEE, 3(1) 83-91, Apr 22, 2008 Peer-reviewedInvited
くぼみ付流路内脈動流の物質移動促進効果（共鳴促進現象に対するくぼみ長さの影響）

国次公司, 西村龍夫, 田之上健一郎

日本機械学会論文集Ｂ編, 73(730) 1353-1360, Jul, 2007 Peer-reviewed
中間レイノルズ数域におけるくぼみ付流路内脈動流の遷移現象（くぼみ長さの効果）

国次公司, 西村龍夫

日本機械学会論文集Ｂ編, 72(724) 3074-3081, Dec, 2006 Peer-reviewed
希薄界面活性剤水溶液の単一円柱周りにおける流動特性

西村龍夫, 国次公司, 越智佑介, 小西健太, 田之上健一郎

日本機械学会論文集Ｂ編, 72(719) 1688-1693, Jul, 2006 Peer-reviewed
希薄界面活性剤水溶液の単一円柱周りにおける流動特性

西村龍夫, 国次公司, 越智佑介, 小西健太, 田之上健一郎

日本機械学会論文集B編, 719(72) 1773-1780, 2006 Peer-reviewed
液相における反応界面近傍の不安定流動

西村龍夫, 田之上健一郎, 渡辺孝, 伊藤義典, 国次公司

日本機械学会論文集 B編, 719(72) 1688-1693, 2006
Mass-transfer enhancement in a wavy-walled tube by imposed fluid oscillation

T Nishimura, YN Bian, K Kunitsugu

AICHE JOURNAL, 50(4) 762-770, Apr, 2004 Peer-reviewed
Heat and Mass Transport Enhancement in Grooved Channels at Low Reynolds Numbers

Kunitsugu Koji, Nishimura Tatsuo

Asian Pacific Confederation of Chemical Engineering congress program and abstracts, 2004 1031-1031, 2004
Influence of Cavity Length on Self-Sustained Oscillation and Mass Transfer in Grooved Channel Flow

K. KUNITSUGU, T. NISHIMURA

Proc. FTEC2003, 1(046) 1-9, Dec, 2003
The streamwise development process of self-sustained oscillatory flow in a grooved channel

Koji Kunitsugu, Tatsuo Nishimura

Eurotherm74, 1 45-50, Mar, 2003 Peer-reviewed
Fluid flow and mass transfer characteristics in a sinusoidal wavy-walled tube at moderate Reynolds numbers for steady flow

T Nishimura, YN Bian, Y Matsumoto, K Kunitsugu

HEAT AND MASS TRANSFER, 39(3) 239-248, Feb, 2003 Peer-reviewed
Oscillatory Flow and Axial Dispersion in a Wavy-Walled Tube

NISHIMURA Tatsuo, KANAI Takeshi, KUNITSUGU Koji

The proceedings of the JSME annual meeting, 2003 187-188, 2003
くぼみ付き流路内の自律振動流と物質移動促進

国次公司, 西村龍夫

化学工学会研究発表講演要旨集, 2003 653-653, 2003
Fluid flow and mass transfer in a sinusoidal wavy-walled tube at moderate Reynolds numbers

Tatsuo Nishimura, Yongning Bian, Koji Kunitsugu, Alexandru M. Morega

Heat Transfer - Asian Research, 32(7) 650-661, 2003 Peer-reviewed
The streamwise development process of self-sustained oscillatory flow in a grooved channel

Koji KUNITSUGU, Tatsuo NISHIMURA

Proc. 5th KSME-JSME Fluid Eng. Conf., 1 1-5, Nov, 2002
Mass transfer enhancement in a sinusoidal wavy-walled tube for pulsatile flow

Tatsuo Nishimura, Yongning Bian, Koji Kunitsugu, Keizou Akou

Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 68(674) 2893-2900, 2002 Peer-reviewed

Misc.

Instabilized Fluid Flow at Interface of Chemical Reaction in Liquid Phase

NISHIMURA Tatsuo, TANOUE Ken-ichiro, WATANABE Takashi, ITOH Yoshinori, KUNITSUGU Koji

Transactions of the Japan Society of Mechanical Engineers B, 72(719) 1773-1780, Jul 25, 2006
E121 Effects of local heat of reaction on Rayleigh-Taylor Instability

WATANABE Takashi, TANOUE Ken-ichiro, KUNITSUGU Koji, NISHIMURA Tatsuo

Procee[d]ings of Thermal Engineering Conference, 2005 181-182, Nov 2, 2005
Mass Transfer Enhancement in a Wavy-Walled Channel for Self-Sustained Oscillatory Flow

NISHIMURA Tatsuo, KUNITSUGU Koji, Okazaki Akira, MORIGUTCHI Takaki

2004 61-62, Oct 25, 2004
TED-AJ03-598 MASS TRANSFER ENHANCEMENT IN A WAVY-WALLED TUBE FOR PULSATILE FLOW :

BIAN Yongning, NISHIMURA Tatsuo, KUNITSUGU Koji

Proceedings of the ... ASME/JSME Thermal Engineering Joint Conference, 2003(6) 237-237, 2003
The Streamwise Developement process of Self-sustained Oscillatory Flow in a Grooved Channel

KUNITSUGU Koji, NISHIMURA Tatsuo

2002 55-56, Oct 10, 2002
Pulsatile Flow in a Wavy-Walled Tube

NISHIMURA Tatsuo, BIAN Yongning, KUNITSUGU Koji

Journal of the Visualization Society of Japan, 21 79-82, Sep 1, 2001
513 Mass Transport Enhancement in Grooved Channels at Low Reynolds Numbers

NISHIMURA Tatsuo, KUNITSUGU Koji

5(2) 159-160, Oct 17, 2000
Numerical Study of Pulsatile Flow through a Wavy Channel (Vortex Dynamics and Fluid Mixing)

NISHIMURA Tatsuo, MATSUBAYASHI Kenji, KUNITSUGU Koji, OKA Naoki

Transactions of the Japan Society of Mechanical Engineers. Series B., 62(604) 4020-4025, Dec 25, 1996
Mass Transfer Characteristics in a Grooved Channel for Self-Sustained Oscillatory Flow

NISHIMURA Tatsuo, KUNITSUGU Koji, NAKIAGIRI Hiroaki

15 77-78, Jul, 1996
Flow Patterns and Wall Shear Stresses in Grooved Channels at Intermediate Reynolds Numbers (Effect of Groove Length)

NISHIMURA Tatsuo, NAKAGIRI Hiroaki, KUNITSUGU Koji

Transactions of the Japan Society of Mechanical Engineers. Series B., 62(598) 2106-2112, Jun 25, 1996
Natural Convection Suppression in a Horizontal Porous Annulus by Azimuthal Baffles

NISHIMURA Tatsuo, KUNITUGU Koji

Memoirs of the Faculty of Engineering, Yamaguchi University, 45(1) 1-12, Oct, 1994

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