AKATSUKA Hiroshi

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Name
AKATSUKA Hiroshi

Research Areas

 
 

Published Papers

 
Senna Fukukawa, Atsushi Nezu, and Hiroshi Akatsuka
Japanese Journal of Applied Physics   58(9) 096003-1-096003-9   Sep 2019   [Refereed]
Band spectra of the first positive (1PS) and the second positive (2PS) systems of nitrogen molecule are analyzed with an optical emissionspectroscopy (OES) measurement when N2gas is puffed onto the Ar plasma jet. It is found thatTv;Tr;0.17 eV for ...
Jun Takeda, Atsushi Nezu, Hiroshi Akatsuka
IEEE Trans. Plasma Sci.   47(9) 4250-4259   Sep 2019   [Refereed]
To examine the effect of the radial electric field on the electron rotational motion under ExB field, particularly Er x Bz geometry, for a plasma with magnetized electrons and nonmagnetized ions flowing through a uniform magnetic channel, an exper...
Yuya Yamashita, Fuminori Yamazaki, Atsushi Nezu, and Hiroshi Akatsuka
Japanese Journal of Applied Physics   58(1) 016004-1-016004-8   Jan 2019   [Refereed]
AKATSUKA Hiroshi
OYO BUTURI   87(11) 821-827   Nov 2018   [Refereed][Invited]
We describe the principles and applications of two essential methods for measurement of electron temperature and the density of non-equilibrium plasmas including atmospheric-pressure discharge, based on optical emission spectroscopic (OES) measure...
Akira CHIBA, Koichi YASUOKA, Shigeki NAKAGAWA, Hiroshi AKATSUKA, Atsuhiro NISHIKATA, Makoto HAGIWARA, Masahiro WATANABE, Nozomi TAKEUCHI, Shungo ZEN, Ei TOKIOKA
Journal of JSEE   66(5) 5_44-5_49   Oct 2018   [Refereed]
A cloud service, Handbook, has been introduced in the lectures for the second and third grade students in the Electrical and Electronics Engineering in the Tokyo Institute of Technology. The cloud service can be accessed by students’ personal ICT ...
KinoshitaMasao, FuyutoTakayuki, AkatsukaHiroshi
International Journal of Engine Research   20(7) 746-757   2018   [Refereed]
HondaYurina, Álvaro-González Alejandro, Nezu Atsushi, Akatsuka Hiroshi
Energy Procedia   131 312-318   2017   [Refereed]
AkatsukaHiroshi, KawanoHirokazu, NaoiKoichi, MatsuuraHaruaki, NezuAtsushi
Jpn. J. Appl. Phys.   56(5) 056102   2017   [Refereed]
KonnoJunya, NezuAtsushi, MatsuuraHaruaki, AkatsukaHiroshi
J. Adv. Oxid. Technol.   20(2)    2017   [Refereed]

Misc

 
Collisional Radiative Model of Ar Plasma and Estimation of Electron Temperature Measurement of Atmospheric Pressure by OES Measurement
HIROSHI AKATSUKA
13-17   2010
Preliminary review on Isotope Separation of Long Life Fission Products - Application Research of Laser Isotope Separation to 135Cs
Hironori Oshita, Masaki Ozawa, Makoto Ishikawa,Shin-ichi Koyama, HIROSHI AKATSUKA
JAERI-Review   (2007-031)    2007
Optical Emission Spectroscopy and Correlation on Surface Treatment for Processing by Atmospheric Pressure Non-Equilibrium Microwave Discharge Plasma Jets
T. Yuji K. Fujioka S. Fujii K. Fukuyama H. Akatsuka
14 139-142   2006
Optical Emission Spectroscopy of Atmospheric Pressure Plasmas
H. Akatsuka
Material Stage   5(12) 21-25   2006
Optical Emission Spectroscopy
Hiroshi AKATSUKA
Journal of the Institute of Engineers on Electrical Discharges in Japan   48(3) 19-25   2005

Books etc

 
Chemical Kinetics
AKATSUKA Hiroshi (Part:Contributor, Chapter 13, “Progresses in Experimental Study of N2 Plasma Diagnostics by Optical Emission Spectroscopy”)
InTech Open Publisher   Feb 2012   
Optical Emission Spectroscopy
2009   ISBN:978-4-274-20760-0
Spectroscopic Measurement of Electron Temperature and Density in Argon Plasmas Based on Collisional-Radiative Model
Nova Science Publishers, New York   2002   ISBN:1-59033-329-2

Conference Activities & Talks

 
Optical emission spectroscopic analysis for diagnostics of electron density and temperature in non-equilibrium plasmas [Invited]
AKATSUKA Hiroshi
The Joint Conference of XXXIV International Conference on Phenomena in Ionized Gases (XXXIV ICPIG) and the 10th International Conference on Reactive Plasmas (ICRP-10)   15 Jul 2019   
Basic Experiments of Expanding Arc-Jet with Low-Ionization Degree and its Hybrid Simulation [Invited]
AKATSUKA Hiroshi
19th International Congress on Plasma Physics (ICPP 2018)   8 Jun 2018   
Diagnostics of N2-Based Gas Discharge Plasma by Optical Emission Spectroscopy on Atomic and Molecular Processes [Invited]
AKATSUKA Hiroshi
1st Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2017)   22 Sep 2017   
Plasma Diagnostics using Optical Emission Spectroscopy [Invited]
AKATSUKA Hiroshi
The 10th Asian-European International Conference on Plasma Surface Engineering (AEPSE2015)   20 Sep 2015   
Basic Characteristics of Ar Gas at Atmospheric-Pressure Non-Equilibrium Microwave Discharge Plasma Jet
T. Yuji, H. Kawano, N. Mungkung, T. Urayama, S. Fujii, Y. Suzaki, H. AKatsuka
Plasma Applications and Hybrid Functionally Materials   2008   
An Experimental Study of Acceleration of a Cold Helium Arc Jet at a Magnetic Nozzle
T. Kanuma M. Hatcho M. Matsuzaki H. Matsuura H. Akatsuka
Proc. 24th International Symp. Rarefied Gas Dynamics   2004   
DSMC Simulation of Transport Phenomena of Neutral Particles in a Positive Column of a DC Arc Discharge
H. Akatsuka M. Asami
Proc. 24th International Symposium on Rarefied Gas Dynamics   2004   
Stationary Population Inversion in an Expanding Argon Plasma Jet by Helium Puffing
H. Akatsuka K. Kano
Proc. 24th International Symposium on Rarefied Gas Dynamics   2004   
Effect of Admixture of Rare Gases on Microwave Excited Oxygen Plasma
T. Sakamoto K. Naoi N. Kitamura H. Matsuura H. Akatsuka
Bull. Am. Phys. soc.   2004   
Acceleration Phenomena of Rarefied Arc Jet at the Magnetic Nozzle
T. Kanuma M. Hatcho T. Sakamoto M. Matsuzaki H. Matsuura H. Akatsuka
Bull. Am. Phys. Soc.   2004   

Works

 
Direct Vitrification of Salt-like Radioactive Nuclear Wastes by Oxygen Plasma Irradiation
Artistic Activity   1999 - 2001
Planning Research on Feasibility of Isotope Separation of Strongly Radioactive Materials
Artistic Activity   1999 - 1999

Research Grants & Projects

 
Isotope Separation in plasmas
Plasma Spectroscopy epecially on the diagnostics of plasmas
Generation and Diagnostics of Plasmas for Discharge Pumped Lasers
Basic Science Research Program
Project Year: 1991 - 2002
Numerical Simulation of neutral particles movement in rarefied weakly ionized plasmas