OKUBO Masaaki

J-GLOBAL         Last updated: Dec 8, 2019 at 01:35
 
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Name
OKUBO Masaaki
Nickname
handle0180704
E-mail
mokubome.osakafu-u.ac.jp
Affiliation
Osaka Prefecture University
Section
Graduate School of Engineering, Division of Mechanical Engineering
Job title
Professor,Professor
Degree
Dr. Eng.(Tokyo Institute of Technology)
Research funding number
40223763
ORCID ID
0000-0003-1321-916X

Profile

My research field is plasma application to industries, especially applications to global environmental protection. In my research field, recently we write a book entitled "New Technologies for Emission Control in Marine Diesel Engines" which was published by Elsevier. Please read or introduce this book to students who are studying marine engineering as well as mechanical and electrical engineering.

Research Areas

 

Academic & Professional Experience

 
Apr 2007
 - 
Today
Professor, Department of Mechanical Engineering, Osaka Prefecture University
 
Oct 1998
 - 
Mar 2006
Associate Professor, Department of Mechanical Engineering, Osaka Prefecture University
 
Apr 1994
 - 
Oct 1998
Assistant Professor, Research Laboratory for Nuclear Reactor, Tokyo Institute of Technology
 
Apr 1990
 - 
Mar 1993
Assistant Professor Institute of Fluid Science, Tohoku University
 

Education

 
Apr 1987
 - 
Mar 1990
Ph.D. Course, Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
 
 
 - 
1990
Graduate School, Division of Science and Engineering, Tokyo Institute of Technology
 
Apr 1985
 - 
Mar 1987
Master Course, Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
 
Apr 1981
 - 
Mar 1985
Undergraduate Course, Department of Mechanical Engineering, Faculty of Engineering, Tokyo Institute of Technology
 

Published Papers

 
Tomoyuki Kuroki, Kiyoyuki Hirai, Shigeru Matsuoka, Jong Youl Kim, Masaaki Okubo
IEEE Transactions on Industry Applications   55 3122-3128   May 2019
© 1972-2012 IEEE. Toluene decomposition is performed using an adsorbent and a nonthermal plasma (NTP) induced radical flow system that consists of a surface discharge and circulation flow. The liquid toluene is vaporized in the circulation channel...
Keita Hori, Syunsuke Fujimoto, Yudai Togashi, Tomoyuki Kuroki, Masaaki Okubo
IEEE Transactions on Industry Applications   55 825-832   Jan 2019
© 1972-2012 IEEE. Atmospheric pressure plasma graft polymerization-treated fluorocarbon plastics are bonded with a metal, to evaluate adhesiveness. In this research, the atmospheric nonthermal plasma graft polymerization technique is used in treat...
Haruhiko Yamasaki, Yuki Koizumi, Tomoyuki Kuroki, Masaaki Okubo
Energies   12    Jan 2019
© 2019 by the authors. NOx is emitted in the flue gas from semiconductor manufacturing plants as a byproduct of combustion for abatement of perfluorinated compounds. In order to treat NOx emission, a combined process consisting of a dry plasma pro...
Masaaki Okubo, Kazuya Takahashi, Shuhei Kamiya, Tomoyuki Kuroki
IEEE Transactions on Industry Applications   54 6422-6429   Nov 2018
© 1972-2012 IEEE. We present a highly efficient carbon dioxide (CO2) reduction treatment technique using an adsorbent and nonthermal plasma flow at the laboratory scale. The plasma reactor consists of twelve surface discharge elements, which are e...
Kotaro Takehana, Tomoyuki Kuroki, Masaaki Okubo
Journal of Physics D: Applied Physics   51    Apr 2018
© 2018 IOP Publishing Ltd. Nitrogen oxides (NOx) emitted from power plants and combustion sources cause air pollution problems. Selective catalytic reduction technology is remarkably useful for NOx removal. However, there are several drawbacks suc...
Tomoyuki Kuroki, Toshiaki Yamamoto, Shunsuke Nishii, Masayuki Akita, Masaaki Okubo
IEEE Transactions on Industry Applications   53 5852-5858   Nov 2017
© 1972-2012 IEEE. Nitrous oxide (N2O) is commonly used as an anesthetic gas in hospitals. It is a greenhouse gas and should therefore be removed to limit pollution. As nonthermal plasma has low electron density, it has been considered effective fo...
Masaaki Okubo, Hideaki Yamada, Keiichiro Yoshida, Tomoyuki Kuroki
IEEE Transactions on Industry Applications   53 5875-5882   Nov 2017
© 2017 IEEE. Particulate matter (PM) and NOx emitted from diesel engines is simultaneously reduced by a barrier-type catalyst-packed nonthermal plasma (NTP) application, driven by a pulse high-voltage power supply under oxygen-lean conditions. Cat...
Tomoyuki Kuroki, Shunsuke Nishii, Takuya Kuwahara, Masaaki Okubo
Journal of Electrostatics   87 86-92   Jun 2017
© 2017 Elsevier B.V. We investigate the removal of air pollutants containing nanoparticles with a wet-type plasma reactor that generates a gas-liquid interfacial nonthermal plasma. To evaluate the performance of this reactor, we prepare a simulate...
Masaaki Okubo, Tomoyuki Kuroki, Hideaki Yamada, Keiichiro Yoshida, Takuya Kuwahara
IEEE Transactions on Industry Applications   53 2432-2439   May 2017
© 2017 IEEE. Air-pollutant and greenhouse gas emissions typically have high gas flow rates and low concentrations (in ppm ∼ % levels, 1% = 10 000 ppm). The bulky equipment required for direct treatment of high-flow-rate low-concentration exhaust g...
Hashira Yamamoto, Tomoyuki Kuroki, Hidekatsu Fujishima, Yuri Yamamoto, Kouta Yoshida, Masaaki Okubo
IEEE Transactions on Industry Applications   53 1416-1423   Mar 2017
© 1972-2012 IEEE. A pilot-scale simultaneous removal of NOx and SOx, as a nonthermal plasma and chemical hybrid process (PCHP), is carried out on combustion exhaust gas in a glass manufacturing system. The PCHP is implemented in an actual semi-dry...

Misc

 
Coherent Structure in the Turbulent Wake behind a Circular Cylinder(3. Flow Visualization and Hot Wire Measurements)(共著)
Fluid Dynamics Research   4,47    1988
Coherent Structure in the Turbulent Wake behind a Circular Cylinder(2. Numerical Simulation Using the Vortex Filament Model)(共著)
Fluid Dynamics Research   4,39    1988
JSME International Journal(Series 2)   32(1) 39   1989
Interfacial Waves of the Magnetic Fluid in Vertical Alternating Magnetic Fields(共著)
Journal of Magnetisum and Magnetic Materials   85(1-3) 163   1990
Visualization and Analysis of Gas bubbles' Motion in a Two-phase Flow of Magnetic Fluid
Preprint of the Japan Society of Magnetic Fluid Research   31    1991
Magnetic Fluid Flows in a Traveling Magnetic Field with Higher Components
Preprint of the Japan Society of Magnetic Fluid Research   4    1991
Analytical Study on Two-phase MHD Flow of Electrically Conducting Magnetic Fluid(共著)
Proceedings on the International Conference on Energy Transfer in Magnetohydrodymamic Flows   323    1991
Gas-Liquid Two-phase Flow of Magnetic Fluids(共著)
Proceedings of the International Conference on Multiphase Flows,   3,77    1991
Stochastic Numerical Analysis on Particle-laden Pipe Flow
Proceedings of the Sixth Symposium on Numerical Fluid Mechanics   151    1992

Books etc

 
New Technologies for Emission Control in Marine Diesel Engines
Masaaki Okubo and Takuya Kuwahara (Part:Joint Work)
Elsevier   Aug 2019   

Conference Activities & Talks

 
正川 浩貴, 山本 雄理, 山本 翔也, 藤島 英勝, 黒木 智之, 大久保 雅章, 山本 柱
電気学会研究会資料. PST   9 Aug 2016   
小林 祐樹, 藤原 雄輝, 大久保 雅章, 黒木 智之
電気学会研究会資料. PST   9 Aug 2016   
IKEDA Naoki, KATAOKA Yousuke, KUROKI Tomoyuki, OKUBO Masaaki
The Proceedings of the Symposium on Environmental Engineering   2015   
This paper describes NO_X reduction for a diesel engine using exhaust gas component recirculation (EGCR). EGCR is the aftertreatment technology for NO_X reduction by intake of NO_X extracted from exhaust gas to diesel engine. In this experiment, N...
OKUBO Masaaki, TANAKA Masanari, TAKAHASHI Kazuya, NAKAJIMA Kenji, KUROKI Tomoyuki
The Proceedings of the Symposium on Environmental Engineering   2015   
Carbon dioxide (CO_2) is one of the main substances linked to greenhouse effect, and its emission should be reduced. In this study, a CO_2 reduction treatment using an adsorbent and a nonthermal plasma flow is investigated. This treatment comprise...
FUJISHIMA Hidekatsu, KUROKI Tomoyuki, TANAKA Atsushi, OTSUKA Keiichi, OKUBO Masaaki
The Proceedings of the Symposium on Environmental Engineering   2014   
A low emission hot water or steam supplying system (2.5 t/h) which consisted of a multi-fuel boiler and a plasma-chemical hybrid NO_x removal was demonstrated Bio-oils or waste oil with city gas or heavy oil (A type) could be fired satisfactorily ...
YAMAMOTO Hashira, KUROKI Tomoyuki, FUJISHIMA Hidekatsu, OKUBO Masaaki
The Proceedings of the Symposium on Environmental Engineering   2014   
The plasma and chemical hybrid process (PCHP) is an innovative technology for simultaneous removal of NO_x (NO and NO_2) and SO_x (SO_2 and SO_3). PCHP is demonstrated for an exhaust gas in glass melting furnaces. NO which compose 90% of the NO_x ...
KUWAHARA Takuya, YOSHIDA Keiichiro, HANAMOTO Kenichi, SATO Kazutoshi, KUROKI Tomoyuki, OKUBO Masaaki
The Proceedings of the Symposium on Environmental Engineering   2013   
As the regulations governing diesel engine emissions become more stringent, an effective aftertreatment technology is thu s needed for, particularly with regard to particulate matter. Although the use of ceramic diesel particulate filters (DPF) is...
OKUBO Masaaki, KUWAHARA Takuya, YOSHIDA Keiichiro, KUROKI Tomoyuki
The Proceedings of the Symposium on Environmental Engineering   2013   
The regulations governing marine diesel engine NO_x emission in the International Maritime Organization (IMO) emission standards have become more stringent. Because it is difficult to fulfill these requirements by means of combustion improvement a...
KUWAHARA Takuya, SHINOHARA Taiki, KAWAI Masashi, YOSHIDA Keiichiro, HANAMOTO Kenichi, SATO Kazutoshi, KUROKI Tomoyuki, OKUBO Masaaki
The Proceedings of Mechanical Engineering Congress, Japan   2012   
As the regulations governing diesel engine emissions such as particulate matter (PM) and NOx become more stringent, it is difficult to fulfill these new requirements using only techniques that improve combustion. More effective aftertreatment tech...
Kuwahara Takuya, Kuroki Tomoyuki, Okubo Masaaki, Nishimoto Masahumi, Yoshida Keiichirou
The Proceedings of the Symposium on Environmental Engineering   2012   
Every year, stricter regulations are imposed on diesel engine emissions. It is difficult to satisfy these regulations only by improving the combustion improvement techniques in the near future. To overcome the problem, a treatment method of diesel...

Works

 
Environmental Protection Using Plasma
2000
MHD Fluid dynamics
1998

Research Grants & Projects

 
Decomposition of Hazardous Gases Using Nonequilibrium Plasm
0130 (Japanese Only)
Numerical Simulation on Flow and Power Generation Characteristics of Plasma MHD Power Generator
0028 (Japanese Only)
Study on Energy Conversion System Using Gas-liquid Two-phase Flow of Magnetic Fluid
0130 (Japanese Only)
Exhaust Gas Treatment using Plasma
0130 (Japanese Only)
Removal of PM, NOx Using Plasma
0130 (Japanese Only)