Faculty Members

Professor
TSUJI Tomohiro

Year of birth: 1969
Gender: Male
Affiliation:

- School of Systems Engineering
- Intelligent Mechanical Systems Engineering Course, Department of Engineering, Graduate School of Enginering
- Research Center for Molecular Design, Research Institute
Article from the "Cutting-edge Research and Social Contribution"：
https://www.kochi-tech.ac.jp/english/power/research/towards_the_ultimate_form_of_microactuators_driven_by_liquid_crystal.html

Areas of specialization
Laboratory/research office	Fluids Engineering Laboratory Fluid mechanics is a discipline to study the characteristics and dynamics of fluids. Typical examples of fluids are water and air, whereas we are concerned mainly with complex fluids which contain larger size of high-order structures compared with their constituent molecules. Complex fluids react to an external field or change their structures depending on the surrounding environment. We use the characteristics of complex fluids to develop extremely small size of actuators and sensors.
Current research topics
Educational background
Professional background
Licenses
Academic societies

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school	Graduation Thesis Simulation Engineering Applied Information Science Fluid Mechanics
Graduate school	Seminar 1 Seminar 3 Individual Work for Graduate Advanced Seminar 1 Advanced Seminar 2 Engineering Modeling and Simulation

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Research activities

Research papers	Authors: TSUJI Tomohiro Title: Translational and rotational drives of micro-droplets of nematic liquid crystal with chiral dopant Journal: Sensors and Actuators A: Physical, Vol. 381, pp. 116033-1-116033-7, Elsevier Year: 2025 Authors: Jose Eduardo Mejia , Tomohiro Tsuji, Shigeomi Chono Title: Capture of microscale objects using the smectic–isotropic phase interfacial force for soft-manipulation devices Journal: Sensors and Actuators A: Physical, Vol. 349, p. 113985, Elsevier Year: 2023 Authors: TSUJI Tomohiro, CHONO Shigeomi, Takanori Matsumi Title: Velocity profiles of electric-field-induced backflows in liquid crystals confined between parallel plates Journal: Journal of Applied Physics, Vol. 117, No. 5, pp. 054501-1-054501-8 Year: 2015 Authors: A. Sunarso, TSUJI Tomohiro, CHONO Shigeomi Title: Three-dimensional molecular dynamics simulations of reorientation process and backflow generation in nematic liquid crystals under application of electric fields Journal: Journal of Applied Physics, Vol. 110, p. 044911 Year: 2011 Authors: A. Sunarso, T. Tsuji, S. Chono Title: GPU-accelerated molecular dynamics simulation for study of liquid crystalline flows Journal: Journal of Computational Physics, Vol. 229, pp. 5486-5497 Year: 2010 Authors: S. Chono, T. Tsuji Title: Numerical analysis of characteristics of microactuators driven by liquid crystals Journal: Chemical Engineering Science, Vol. 64, No. 22, pp. 4625-4631 Year: 2009 Authors: S. Fu, T. Tsuji, S. Chono Title: Effect of magnetic fields on out-of-plane orientations of nematic liquid crystalline polymers under simple shear flow Journal: Molecular Physics, Vol. 107, No. 3, pp. 245-252 Year: 2009 Authors: A. Sunarso, T. Tsuji , S. Chono Title: Molecular dynamics simulation of backflow generation in nematic liquid crystals Journal: Applied Physics Letters, Vol. 93, No. 24, p. 244106 Year: 2008 Authors: S. Fu, T. Tsuji, S. Chono Title: Effect of magnetic field on molecular orientation of nematic liquid crystalline polymers under simple shear flow Journal: Journal of Rheology, Vol. 52, No. 2, pp. 451-468 Year: 2008 Authors: S. Chono, T. Tsuji Title: Proposal of mechanics of liquid crystals and development of liquid crystalline microactuators Journal: Applied Physics Letters, Vol. 92, No. 5, p. 51905 Year: 2008 Authors: CHONO Shigeomi, TSUJI Tomohiro, SUN Jianye Title: Numerical simulation of molding Hele-Shaw flow of polymeric liquid crystals Journal: Journal of Fluid Science and Technology, Vol. 2, pp. 368-379 Year: 2007 Authors: NAGAE Takanori, TSUJI Tomohiro, CHONO Shigeomi Title: Numerical simulation of flow-induced flexoelectric effect in liquid crystals Journal: Journal of Fluid Science and Technology, Vol. 2, pp. 258-269 Year: 2007 Authors: T. Tsukiji, E. Koyabu, TSUJI Tomohiro, CHONO Shigeomi Title: Influence of electric fields on the flow of a liquid crystal mixture in circular pipe electrodes Journal: JSME International Journal Series B, Vol. 48, No. 3, pp. 517-523 Year: 2005 Authors: Tomohiro Tsuji, Alejandro D. Rey Title: Effect of Long Range Order on Sheared Liquid Crystalline Materials:Flow Regimes, Transitions, and Rheological Phase Diagrams Journal: Physical Review, Vol. E, No. 62, pp. 8041-8051 Year: 2000 Authors: CHONO Shigeomi, TSUJI Tomohiro, Morton M. DENN Title: Spatial development of director orientation of tumbling nematic liquid crystals in pressure-driven channel flow Journal: Journal of Non-Newtonian Fluid Mechanics, Vol. 79, pp. 515-527 Year: 1998 Authors: CHONO Shigeomi, TSUJI Tomohiro Title: Numerical simulation of nematic liquid crystalline flows around a circular cylinder Journal: Molecular Crystals & Liquid Crystals, Vol. 309, pp. 217-236 Year: 1998 Authors: Tomohiro Tsuji, Alejandro D. Rey Title: Effect of long range order on sheared liquid crystalline materials. Part I: compatibility between tumbling behavior and fixed anchoring Journal: Journal of Non-Newtonian Fluid Mechanics, Vol. 73, pp. 127-152 Year: 1997 Authors: Alejandro D. Rey, Tomohiro Tsuji Title: Recent Advances in Liquid Crystal Rheology Journal: Macromolecular Theory and Simulation, Vol. 7, pp. 623-639 Year: 1988
Grants-in-Aid for Scientific Research from the Japanese government	Project title: Development of Power Generator Based on Mechanism of Liquid Crystal Category: Grant-in-Aid for Scientific Research (C) Project number: 21560192 Project period: 2009-2011 Total budget amount: 4,680,000 yen Keywords: Project title: Development of the liquid crystalline bearing which can generate electricity Category: Grant-in-Aid for Scientific Research (C) Project number: 24560205 Project period: 2012-2014 Total budget amount: 5,330,000 yen Keywords: Project title: Optimization of fluid dynamics properties of liquid crystalline materials Category: Grant-in-Aid for Scientific Research (C) Project number: 15K05803 Project period: 2015-2017 Total budget amount: 4,940,000 yen Keywords: Project title: Development of novel machine elements utilizing the cholesteric and smectic liquid crystals Category: Grant-in-Aid for Scientific Research (B) Project number: 19H02055 Project period: 2019-2021 Total budget amount: 16,510,000 yen Keywords:

Research papers

Authors: TSUJI Tomohiro
Title: Translational and rotational drives of micro-droplets of nematic liquid crystal with chiral dopant
Journal: Sensors and Actuators A: Physical, Vol. 381, pp. 116033-1-116033-7, Elsevier
Year: 2025
Authors: Jose Eduardo Mejia , Tomohiro Tsuji, Shigeomi Chono
Title: Capture of microscale objects using the smectic–isotropic phase interfacial force for soft-manipulation devices
Journal: Sensors and Actuators A: Physical, Vol. 349, p. 113985, Elsevier
Year: 2023
Authors: TSUJI Tomohiro, CHONO Shigeomi, Takanori Matsumi
Title: Velocity profiles of electric-field-induced backflows in liquid crystals confined between parallel plates
Journal: Journal of Applied Physics, Vol. 117, No. 5, pp. 054501-1-054501-8
Year: 2015
Authors: A. Sunarso, TSUJI Tomohiro, CHONO Shigeomi
Title: Three-dimensional molecular dynamics simulations of reorientation process and backflow generation in nematic liquid crystals under application of electric fields
Journal: Journal of Applied Physics, Vol. 110, p. 044911
Year: 2011
Authors: A. Sunarso, T. Tsuji, S. Chono
Title: GPU-accelerated molecular dynamics simulation for study of liquid crystalline flows
Journal: Journal of Computational Physics, Vol. 229, pp. 5486-5497
Year: 2010
Authors: S. Chono, T. Tsuji
Title: Numerical analysis of characteristics of microactuators driven by liquid crystals
Journal: Chemical Engineering Science, Vol. 64, No. 22, pp. 4625-4631
Year: 2009
Authors: S. Fu, T. Tsuji, S. Chono
Title: Effect of magnetic fields on out-of-plane orientations of nematic liquid crystalline polymers under simple shear flow
Journal: Molecular Physics, Vol. 107, No. 3, pp. 245-252
Year: 2009
Authors: A. Sunarso, T. Tsuji , S. Chono
Title: Molecular dynamics simulation of backflow generation in nematic liquid crystals
Journal: Applied Physics Letters, Vol. 93, No. 24, p. 244106
Year: 2008
Authors: S. Fu, T. Tsuji, S. Chono
Title: Effect of magnetic field on molecular orientation of nematic liquid crystalline polymers under simple shear flow
Journal: Journal of Rheology, Vol. 52, No. 2, pp. 451-468
Year: 2008
Authors: S. Chono, T. Tsuji
Title: Proposal of mechanics of liquid crystals and development of liquid crystalline microactuators
Journal: Applied Physics Letters, Vol. 92, No. 5, p. 51905
Year: 2008
Authors: CHONO Shigeomi, TSUJI Tomohiro, SUN Jianye
Title: Numerical simulation of molding Hele-Shaw flow of polymeric liquid crystals
Journal: Journal of Fluid Science and Technology, Vol. 2, pp. 368-379
Year: 2007
Authors: NAGAE Takanori, TSUJI Tomohiro, CHONO Shigeomi
Title: Numerical simulation of flow-induced flexoelectric effect in liquid crystals
Journal: Journal of Fluid Science and Technology, Vol. 2, pp. 258-269
Year: 2007
Authors: T. Tsukiji, E. Koyabu, TSUJI Tomohiro, CHONO Shigeomi
Title: Influence of electric fields on the flow of a liquid crystal mixture in circular pipe electrodes
Journal: JSME International Journal Series B, Vol. 48, No. 3, pp. 517-523
Year: 2005
Authors: Tomohiro Tsuji, Alejandro D. Rey
Title: Effect of Long Range Order on Sheared Liquid Crystalline Materials:Flow Regimes, Transitions, and Rheological Phase Diagrams
Journal: Physical Review, Vol. E, No. 62, pp. 8041-8051
Year: 2000
Authors: CHONO Shigeomi, TSUJI Tomohiro, Morton M. DENN
Title: Spatial development of director orientation of tumbling nematic liquid crystals in pressure-driven channel flow
Journal: Journal of Non-Newtonian Fluid Mechanics, Vol. 79, pp. 515-527
Year: 1998
Authors: CHONO Shigeomi, TSUJI Tomohiro
Title: Numerical simulation of nematic liquid crystalline flows around a circular cylinder
Journal: Molecular Crystals & Liquid Crystals, Vol. 309, pp. 217-236
Year: 1998
Authors: Tomohiro Tsuji, Alejandro D. Rey
Title: Effect of long range order on sheared liquid crystalline materials. Part I: compatibility between tumbling behavior and fixed anchoring
Journal: Journal of Non-Newtonian Fluid Mechanics, Vol. 73, pp. 127-152
Year: 1997
Authors: Alejandro D. Rey, Tomohiro Tsuji
Title: Recent Advances in Liquid Crystal Rheology
Journal: Macromolecular Theory and Simulation, Vol. 7, pp. 623-639
Year: 1988

Grants-in-Aid for Scientific Research from the Japanese government

Project title: Development of Power Generator Based on Mechanism of Liquid Crystal
Category: Grant-in-Aid for Scientific Research (C)
Project number: 21560192
Project period: 2009-2011
Total budget amount: 4,680,000 yen
Keywords:
Project title: Development of the liquid crystalline bearing which can generate electricity
Category: Grant-in-Aid for Scientific Research (C)
Project number: 24560205
Project period: 2012-2014
Total budget amount: 5,330,000 yen
Keywords:
Project title: Optimization of fluid dynamics properties of liquid crystalline materials
Category: Grant-in-Aid for Scientific Research (C)
Project number: 15K05803
Project period: 2015-2017
Total budget amount: 4,940,000 yen
Keywords:
Project title: Development of novel machine elements utilizing the cholesteric and smectic liquid crystals
Category: Grant-in-Aid for Scientific Research (B)
Project number: 19H02055
Project period: 2019-2021
Total budget amount: 16,510,000 yen
Keywords:

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Social activities

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