Last Update: March 26, 2021
19th Feb. 2021. After
student presentation 24th
Mar. 2021. After Degree Conferment Ceremony
Our research is focused on
analyzing the phenomena that occur during powder processes and on developing
new handling methods for powders. Although fine particles are widely used in
industry, their behavior is complicated and varies according to the conditions
used; thus, a full understanding is needed from the viewpoints of the advanced
applications of fine particles as well as environmental protection. In
particular, the analysis of the dynamic behavior of particles and the
evaluation of powder properties such as particle adhesion and electrification
are important for fine-particle handling in gases.
Fundamentals and applications of particle
electrification of particles is a fundamental phenomenon that occurs during
powder handling processes, and the electrostatic forces acting on particles
significantly affect particle behavior; thus, the control of particle charging
is important for powder handling operations. In fact, applications for charged
particles have been widely developed, e.g., electro-photography, dry powder
coating, and electrostatic separation. As operations such as dispersion,
agglomeration, and particle transport can be remotely controlled by
electro-static forces, further technological innovations are expected in this
direction. To realize the full potential of the existing technology, an
in-depth under-standing of particle charging, charge distribution control,
particle movement control, and relevant online measurement techniques is
1. Particle charging and levitation with UV
irradiation and electrostatic field.
electrostatic charging by atmospheric pressure low-temperature plasma.
3. Analysis of triboelectric charging of
4. Development of a particle charge
controller using centrifugal force and its application.
5. Characterization of fine particles
triboelectrically charged in gas–solid pipe flow.
6. Characterization of particles
triboelectrically charged by a two-stage system with vibrations and external
Evaluation of Adhesion and flowability of
and particle–wall interaction forces are important factors that directly affect
powder handling, and appropriate methods need to be developed for measuring the
adhesive property between primary particles or agglomerated particles and for
evaluating the flowability of particles.
1DAnalysis of adhesive
strength distributions of particles subjected to various external forces.
2DAnalysis of flowability profiles.
Mechanical handling of nano and submicron
The demand for
submicron- and nanoparticles is growing on account of the need to produce highly
functional products. However, their adhesiveness increases with decreasing
particle diameter, and as a result, powder handling becomes more complex for
small particle diameters. In particular, for particles having a diameter of
less than 1 Êm, the complications due to adhesiveness are pronounced and it is
therefore imperative to develop new techniques as well as analyze particle
behavior for overcoming these issues.
1. Control of the movement of fine particles
using multiple vibration modes.
of a novel fluidized bed system using vibration convection mechanism.
of micro-feeding of nanoparticles based on vibration shear flow.
of a pneumatic transport system for nanoparticles.
Professor: Shuji MATSUSAKA
Technical Expert: Masatoshi YASUDA
Secretary: Aya IMAKITA
Yozo KUDO (2020. 3)
Mizuki SHOYAMA (2020. 3)
Takehiko HORIO (2017. 11)
Murino KOBAYAKAWA (2015. 3)
Yi-Hung LIU (2012. 3)
Taiki SUGAYA (2021. 3), Akihiro TAKAUCHI (2021. 3), Shunsuke TERAKADO (2021. 3),
Shogo INOUE (2020. 3), Shuhei NISHIDA (2020.3), Hironobu YOSHIOKA (2020.3),
Masanori KISHIMOTO (2019. 3), Shun FUJII (2019. 3), Takumu KAWATA (2018. 3),
Tomoki WAKISAKA (2018. 3), Yuta NAKANISHI (2017. 3), Eri TANAKA (2017. 3), Jian
WANG (2017. 3), Daiki WATANUKI (2017. 3), Shiro KITAJIMA (2016. 3), Tatsumi
UTANO (2016. 3), Seiya KIRIYAMA (2015. 3), Atsushi NOGUCHI (2015. 3), Sho SATO (2015. 3), Megumi MIZUTANI
(2014. 3), Shohei SHIRAISHI (2013. 3), Yusuke FUJII (2013. 3), Dan WEI (2013.
3), Junpei IYOTA (2012. 3), Takashi YAMAMOTO (2010.3)
Shunto KINUGASA (2021. 3), Kazuya OKAMOTO (2021. 3), Sota KAI (2020.3),
Motohiro TSUBOTA (2020.3), Ryo NISHIKAWA (2020. 3), Akihiro TAKAUCHI (2019. 3),
Junya TABATA (2018. 3), Shuhei NISHIDA (2018. 3), Hiroki YAMAMOTO (2018. 3),
Minami SODENAGA (2017. 3), Kazuaki HASHIMOTO (2017. 3), Kai YAMAMURA (2017.
3), Takumu KAWATA (2016. 3), Yo
OKADA (2015. 3), Eri TANAKA (2015. 3), Ayumi FUJIMOTO (2014. 3), Koichi TAKEDA (2014. 3), Daisuke
TOKITO (2014. 3), Kota KUBO (2013. 3),
Mitsuhiro SAKATA (2013. 3), Megumi MIZUTANI (2012. 3), Daisuke HIRAMA (2011.3),
Kazua SATOH (2011. 3)
Ryo SHIBAKAWA (2016. 3)
Visiting Researchers (over
D2 Junyu Lu from China University of Mining & Technology
M2 Sumeng Bai from University of Melbourne
Visiting research student
D3 Poom Bunchatheeravate from University of Florida (NSF-PIRE, project number
NSF OISE 0968313)
Dr. M. Imran Zainuddin from Malaysia (JST)
Dr. Yanbin Jiang (Professor) from South China University of Technology
Dr. Chi-Hwa Wang (Professor) from National University of Singapore
21st February 2020. Testimonial Dinner@23rd March 2020. Graduate@@@
18th April 2019. Group photo
18th April 2019. Welcome party
9th April 2019. PARTEC2019 9th April 2019. Prof Ghadiri
27th December 2018. Year-end Party
27th November 2018. @APT Distinguished Paper Award and
Best Paper Award
10th April 2018. Welcome
26th April 2018. WCPT8. Florida
for new members
23rd March 2018.
Winning a prize@@ 28th March. 2018.
13th March 2018.
Kagaku Kogaku@ 19th
March. 2018. President's Award
9th Jan. 2018.
New-years Tea Party 23rd
February 2018. Testimonial Dinner
11th November 2017.
Reunion of 9koza at Cafe Arte
31st July 2017 APT.
Taiwan@21st Sep. 2017. Kagaku
13th June 2017 CES.
Canada Dinner@ Certificate of Achievement
13th April 2017. Welcome party
for new members
14th March 2017.
22th February 2017.
13th April 2016. Welcome party@ 27th December 2016.
for new members
9th April 2015. Welcome party@@@@@@ 25th September 2015.
for new members
20th February 2015.
6th April 2014. Welcome party for
new members@26th December 2014.
Welcome party for Soom from Univ. of Melbourne
10th April 2013. Welcome party for
new members Vth March 2013. Testimonial Dinner
22th February 2013. Testimonial Dinner
24th September 2012. Kanazawa Castle Park@25th
September 2012. Kenroku-en Garden
16th April 2012. Welcome party for new members
October 2011.@Welcome party
for Poom@@@@October 2011. Birthday party
from Univ. of Florida
27th September 2011,