Publication (all papers are downloadable)

Modeling of Reactive Plasma Flows

• Md. Mofazzal Hossain, M. Rafiqul Alam, and Takayuki Watanabe; Thermal Treatment of Al2O3, MgO and CeO2 Granulated Powders by Induction Thermal Plasma - A Numerical Approach, Japanese Journal of Applied Physics, 52 (1), 01AL01 (2013.1).
• Md. Mofazzal Hossain, Yaochun Yao, and Takayuki Watanabe: A Numerical Study of Plasma-Particle Heat Transfer Dynamics in Induction Thermal Plasmas for Glassification, IEEJ Transactions on Electrical and Electronic Engineering, 4 (4) p.504-509 (2009.7).
• Md. Mofazzal Hossain, Yaochun Yao, and Takayuki Watanabe: A Numerical Analysis of Plasma-Particle Heat Exchange during In-Flight Treatment of Granulated Powders by Argon-Oxygen Induction Thermal Plasmas, Thin Solid Films, 516 (19), p.6634-6639 (2008.8).
• Md. Mofazzal Hossain, Yaochun Yao, and Takayuki Watanabe: A Numerical Study of Plasma-Particle Energy Exchange Dynamics in Induction Thermal Plasmas for Glassification, Materials Science & Technology 2007 Conference (2007.9 Detroit, USA).
• Takayuki Watanabe, Nobuhiko Atsuchi, and Masaya Shigeta: Modeling of Non-Equilibrium Argon-Hydrogen Induction Plasmas under Atmospheric Pressure, Thin Solid Films, 515 (9), p.4209-4216 (2007.3).
• Masaya Shigeta, Nobuhiko Atsuchi, and Takayuki Watanabe: Numerical Investigation of Local Oxygen Injection Effect on Argon Induction Plasmas Using Chemically Non-Equilibrium Model, Journal of Chemical Engineering of Japan, 39 (12), p.1255-1264 (2006.12).
• Takayuki Watanabe, Nobuhiko Atsuchi, and Masaya Shigeta: Two-Temperature Chemically Non-Equilibrium Modeling of Argon Induction Plasmas with Diatomic Gases, International Journals of Heat and Mass Transfer, 49 (25-26), p.4867-4876 (2006.12).
• Md. Mofazzal Hossain, Yasunori Tanaka, and Takayuki Watanabe: Kinetic Modeling of Ar-O2 Thermal Plasma Including Metastable and Resonant States of Atoms and Molecules, IEEE Conference Record: 2006 IEEE International Conference on Plasma Science, 4D6, p.278 (2006.6 Traverse City, USA).
• Nobuhiko Atsuchi, Masaya Shigeta, and Takayuki Watanabe: Modeling of Non-Equilibrium Argon-Oxygen Induction Plasmas under Atmospheric Pressure, International Journal of Heat and Mass Transfer, 49 (5-6), p.1073-1082 (2006.3).
• R. Ye, H. Taniguchi, H. Lange, Norio Kobayashi, S. Ito, Takayuki Watanabe, and Takamasa Ishigaki: Numerical Modeling and Spectroscopic Diagnostics of a Pulse-Modulated Inductively Coupled Plasma, Proceedings of 17th International Symposium on Plasma Chemistry, Paper ID: 410 (2005.8 Toronto, Canada).
• Takayuki Watanabe, Nobuhiko Atsuchi, and Masaya Shigeta: Two-temperature Chemically Non-Equilibrium Modeling of Argon Induction Plasmas with Diatomic Gas, Proceedings of 17th International Symposium on Plasma Chemistry, Paper ID:398 (2005.8 Toronto, Canada).
• Nobuhiko Atsuchi, Masaya Shigeta, and Takayuki Watanabe: Effect of Oxygen Injection into Argon Induction Plasmas on Chemically Non-Equilibrium Conditions, Proceedings of 17th International Symposium on Plasma Chemistry, Paper ID:388 (2005.8 Toronto, Canada).
• Nobuhiko Atsuchi and Takayuki Watanabe: Numerical Modeling of Non-Equilibrium Argon-Oxygen Induction Plasmas under Atmospheric Pressure, Conference Proceedings of 10th Asian Pacific Confederation of Chemical Engineering, Paper-ID: 1061, 1P-09-012 (2004.10 Kitakyushu).
• Takayuki Watanabe and Noriaki Sugimoto: Numerical Analysis of Oxygen Induction Thermal Plasmas with Non-equilibrium Assumption for Dissociation and Ionization, Thin Solid Films, 457 (1), p.201-208 (2004.6).
• Takayuki Watanabe and Noriaki Sugimoto: Numerical Modeling of Non-equilibrium Oxygen Induction Plasmas under Atmospheric Pressure, IEEE Conference Record: 2003 IEEE International Conference on Plasma Science, p.360, 5PA42 (2003.6 Jeju, Korea).
• Hideya Nishiyama, Yasutaka Shindo, and Takayuki Watanabe: Numerical Modeling of a Nonequilibrium RF Induction Reactive Plasma Using Multicomponent Model, Proceedings of 15th International Symposium on Plasma Chemistry, vol.4, p.1541-1546, PO.5.198 (2001.7 Orleans, France).
• Mina Sakano, Takayuki Watanabe, and Motofumi Tanaka: Numerical and Experimental Comparison of Induction Thermal Plasma Characteristics between 0.5 kHz and 4 MHz, Journal of Chemical Engineering of Japan, 32 (5), p.619-625 (1999.10).
• Mina Sakano and Takayuki Watanabe: Numerical and Experimental Analysis of Frequency Effect on Inductively Coupled Thermal Plasmas, Proceedings of 13th International Symposium on Plasma Chemistry, vol.1, p.392-397 (1997.8 Beijing, China).
• Takayuki Watanabe, Atsushi Kanzawa, Takamasa Ishigaki, and Yusuke Moriyoshi: Thermal Plasma Treatment of Titanium Carbide Powders: Part I. Numerical Analysis of Powder Behavior in Argon-Hydrogen and Argon-Nitrogen Radio Frequency Plasmas, Journals of Materials Research, 11 (10), p.2598-2610 (1996.10).
• Takayuki Watanabe, Atsushi Kanzawa, Mina Sakano, Naohiko Shimura, and Yoshimichi Ohnishi: Effect of Frequency on Characteristics of Radio Frequency Argon-Hydrogen Plasmas, Proceedings of 3rd Asia-Pacific Conference on Plasma Science and Technology, p.143-148 (1996.7 Tokyo).
• Takayuki Watanabe, Atsushi Kanzawa, Takamasa Ishigaki, and Yusuke Moriyoshi: Thermal Plasma Modification of Titanium Carbide Powder -Numerical Analysis of Powder Behavior in Plasmas-, Proceedings of 12th International Symposium on Plasma Chemistry, vol.3, p.1195-1200 (1995.8 Minneapolis, USA).
• Takayuki Watanabe, Atsushi Kanzawa, Takamasa Ishigaki, and Yusuke Moriyoshi: Numerical Simulations of Argon-Hydrogen RF Thermal Plasmas with Additional Gas Injection, Proceedings of Symposium on Plasma Science for Materials, 6, p.211-218 (1993.9).
• Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Effects of Reactive Gas Injection on R.F. Thermal Plasmas, Proceedings of 10th International Symposium on Plasma Chemistry, vol.1, 1.1-31 p.1-6 (1991.8 Bochum, Germany).
• Takayuki Watanabe, Naoto Tonoike, Takuya Honda, and Atsushi Kanzawa: The Flow, Temperature and Concentration Fields in Reactive Plasmas in an Inductively Coupled R.F. Discharge - Characteristics in Argon-Oxygen and Argon-Nitrogen Plasmas -, Journal of Chemical Engineering of Japan, 24 (1), p.25-32 (1991.2).
• Takayuki Watanabe, Kazuhiko Yanase, Takuya Honda, and Atsushi Kanzawa: The Flow, Temperature and Concentration Fields in a Radio Frequency Argon-Helium Plasma, Journal of Chemical Engineering of Japan, 23 (4), p.389-395 (1990.8).
• Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Nonequilibrium of Dissociation and Recombination in R.F. Thermal Plasmas with Diatomic Gas, Proceedings of Japan-China-Korea Trilateral Symposium on Plasma Chemistry, p.83-86 (1990.7 Tokyo).
• Jun Mitsuhashi, Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Melting and Evaporation of Powder Particles in Reactive Plasma Spraying, Proceedings of Japanese Symposium on Plasma Chemistry, 2, p.155-160 (1989.10).

Characterization of AC Arc Discharge

• Ritsu Sogo, Aori Ichini, Manabu Tanaka, Takayuki Watanabe, Takafumi Okuma, Hisao Nagai, and Hiroki Maruyama: High-Speed Two-Directional Analysis of Temperature Characteristics in Multiphase AC Arc, Proceedings of 25th International Symposium on Plasma Chemistry, POS-2-211 (2023.5.23 Miyako Messe, Kyoto).
• Yuta Sogo, Ryo Takanaka, Manabu Tanaka, Takayuki Watanabe, Masaya Shigeta, Tsugio Matsuura: Fluctuation Analysis of Diode-Rectified AC Arc by High-Speed Visualization, Proceedings of 25th International Symposium on Plasma Chemistry, POS-2-212 (2023.5.23 Miyako Messe, Kyoto).
• Ryo Takanaka, Yuta Sogo, Manabu Tanaka, Takayuki Watanabe, Masaya Shigeta, Tsugio Matsuura: Characteristics of Planar Thermal Plasma Jet by Diode-Rectified AC Arc, Proceedings of 25th International Symposium on Plasma Chemistry, POS-2-213 (2023.5.23 Miyako Messe, Kyoto).
• Manabu Tanaka, Junjie Chang, Yuki Takamoto, Takayuki Watanabe, Tsuigo Matsuura, Tsuguo Ueda, Hideki Tozaki, Juan-Pablo Trelles, and Masaya Shigeta: Arc Temperature Fluctuation near Electrode of Diode-Rectified Multiphase AC Arc, Proceedings of 75th Annual Gaseous Electronics Conference and 11th International Conference on Reactive Plasmas, ET1.00002, p.60-61 (2022.10.4 Sendai International Center).
• Takafumi Okuma, Hiroki Maruyama, Tomoyuki Imatsuji, Taro Hashizume, Manabu Tanaka, Hisao Nagai, Takeshi Koiwasaki, and Takayuki Watanabe: Investigation of Arc Behavior and Temperature Distribution Corresponding to Electrode and Phase Configurations in a Multiphase AC Arc, Journal of Chemical Engineering of Japan, 53 (9), p.509-515 (2020.9).
• Manabu Tanaka, Hiroki Maruyama, Taro Hashizume, Tsugio Matsuura, and Takayuki Watanabe: Fluctuation Phenomena in Diode-Rectified Multiphase AC Arc for Impalement of Electrode Erosion, 24th International Symposium on Plasma Chemistry, O-16 (2019.6.10 Naples, Italy).
• Hiroki Maruyama, Manabu Tanaka, Takayuki Watanabe, Hisao Nagai, Takeshi Koiwasaki, and Takafumi Okuma: High-Speed Visualization of Temperature Fluctuation in Multiphase AC Arc, 24th International Symposium on Plasma Chemistry, P3-86 (2019.6.13 Naples, Italy).
• Takafumi Okuma, Hiroki Maruyama, Taro Hashizume, Manabu Tanaka, Takayuki Watanabe, Hisao Nagai, and Takeshi Koiwasaki: Effects of The Driving Frequency on Temperature in a Multiphase AC Arc, IEEE Transactions on Plasma Science, 47 (1), p.32-38 (2019.1).
• Takafumi Okuma, Tomoyuki Imatsuji, Taro Hashizume, Manabu Tanaka, Takayuki Watanabe, Hisao Nagai, and Takeshi Koiwasaki: Effects of Working Pressure on Temperature Characteristics in Multiphase Ac Arc, Journal of Fluid Science and Technology, 13 (4), JFST0024 (2018.11).
• Manabu Tanaka, Taro Hashizume, Koki Saga, Tsugio Matsuura, and Takayuki Watanabe: Diode-Rectified Multiphase AC Arc for Improvement of Electrode Erosion Characteristics, Journal of Physics, D: Applied Physics, 50 (46), 465604 (2017.10).
• Manabu Tanaka, Tomoyuki Imatsuji, Taro Hashizume, Takayuki Watanabe, Hisao Nagai, Takeshi Koiwasaki, and Takafumi Okuma: Investigation of Temperature Characteristics of Multiphase AC Arc by High-Speed Visualization, Journal of Fluid Science and Technology, 12 (3), JFST0024 (2017.12).
• Manabu Tanaka, Kohki Saga, Taro Hashizume,Tsugio Matsuura, and Takayuki Watanabe: Improvement of Electrode Erosion Characteristics in Diode-Rectified Multiphase AC Arc, 23rd International Symposium on Plasma Chemistry, C-4-7, 117 (2017.7.31 Montreal, Canada).
• Taro Hashizume, Manabu Tanaka, Tomoyuki Imatsuji, Yushi Nawata, and Takayuki Watanabe: High-Speed Visualization of Erosion Phenomena of Tungsten-Based Electrode in Multiphase AC Arc, 23rd International Symposium on Plasma Chemistry, X-2-7, 169 (2017.8.3. Montreal, Canada).
• Taro Hashizume, Manabu Tanaka, and Takayuki Watanabe: Effect of Arc Current on Droplet Ejection from Tungsten-Based Electrode in Multiphase AC Arc, Japanese Journal of Applied Physics, 56 (5), 056101 (2017.5).
• Takayuki Watanabe, Taro Hashizume, Tomoyuki Imatsuji, and Manabu Tanaka: High-Speed Visualization of Thermal Plasma Characteristics, SPIE Proceedings, 10328, 1032812 (2017.2.20).
• Manabu Tanaka, Taro Hashizume, Tomoyuki Imatsuji, Yushi Nawata, and Takayuki Watanabe: Investigation of Erosion Mechanism of Tungsten-Based Electrode in Multi-Phase AC Arc by High-Speed Visualization of Electrode Phenomena, Japanese Journal of Applied Physics, 55 (7S2), 07LC01 (2016.6).
• Manabu Tanaka, Tomoyuki Imatsuji, Yushi Nawata, Taro Hashizume, and Takayuki Watanabe: Fluctuation Phenomena in Multi-Phase AC Arc for Nanoparticles Fabrication, Proceedings of 22nd International Symposium on Plasma Chemistry, P-II-12-6 (2015.7.7 Antwerp, Belgium).
• Taro Hashizume, Manabu Tanaka, and Takayuki Watanabe: Droplet Ejection Mechanism from Tungsten Electrode in Multi-Phase AC Arc by High-Speed Visualization, Proceedings of 22nd International Symposium on Plasma Chemistry, P-II-12-16 (2015.7.7 Antwerp, Belgium).
• Taro Hashizume, Manabu Tanaka, and Takayuki Watanabe: Investigation of Droplet Ejection Mechanism from Electrode in Multi-Phase AC Arc, Quarterly Journal of the Japan Welding Society, 33 (2), 44s-48s (2015.5).
• Takayuki Watanabe, Yaping Liu, and Manabu Tanaka: Investigation of Electrode Phenomena In An Innovative Thermal Plasma for Glass Melting, Plasma Chemistry and Plasma Processing, 34 (3), p.443-456 (2014.4).
• Manabu Tanaka, Tomoki Ikeba, Yaping Liu, Sooseok Choi, and Takayuki Watanabe: High-Speed Visualization of Electrode Erosion in Multi-Phase Alternating Current Arc, Journal of Fluid Science and Technology, 8 (2), p.160-171 (2013.7).
• Manabu Tanaka, Tomoki Ikeba, Yaping Liu, Sooseok Choi, and Takayuki Watanabe: Investigation of Electrode Erosion Mechanism of Multi-Phase AC Arc by High-Speed Video Observation,, Proceedings of 21st International Symposium on Plasma Chemistry, Paper ID:60 (2013.8.8 Cairns, Australia).
• Manabu Tanaka, Tomoki Ikeba, Yaping Liu, Sooseok Choi, and Takayuki Watanabe: Investigation of Electrode Erosion Mechanism of Multi-Phase AC Arc by High-Speed Video Camera, Journal of Physics: Conference Series, 441, 012015 (2013.6).
• Manabu Tanaka, Tomoki Ikeba, Yaping Liu, Tsugio Matsuura, and Takayuki Watanabe: Electrode Temperature Measurements of Multi-Phase AC Arc by High-Speed Video Camera, Journal of Physics: Conference Series, 406, 012008 (2012.12).
• Manabu Tanaka, Yosuke Tsuruoka, Yaping Liu, and Takayuki Watanabe: Investigation of Multi-Phase AC Arc Behavior by High-Speed Video Observation, IEEE Transactions on Plasma Science, 39 (11), p.2904-2905 (2011.11).
• Manabu Tanaka, Yosuke Tsuruoka, Yaping Liu, Tsugio Matsuura, and Takayuki Watanabe: Stability Analysis of Multi-Phase AC Arc Discharge for In-Flight Glass Melting, Current Applied Physics, 11 (5), p.S35-S39 (2011.9).
• Tsugio Matsuura, Manabu Tanaka, Yosuke Tsuruoka, Yaping Liu, and Takayuki Watanabe: Discharge Phenomena of Multi-Phase AC Arc for In-Flight Processing, Proceedings of 20th International Symposium on Plasma Chemistry, SOU13 (2011.7.28 Philadelphia, USA).

Characterization of DC Arc Discharge

• Yuki Takemoto, Manabu Tanaka, and Takayuki Watanabe: Effect of Doped Oxides on Cathode Erosion in Nitrogen Free Burning Arc, Proceedings of 25th International Symposium on Plasma Chemistry, 1-A-306 (2023.5.22 Miyako Messe, Kyoto).
• Yosuke, Kishimoto, Makoto Sugimoto, Masaya Shigeta, Manabu Tanaka, and Takayuki Watanabe: Time-Dependent Numerical Simulation of Heat and Mass Transports in Water Plasma Jet with Air Entrainment, Proceedings of 25th International Symposium on Plasma Chemistry, POS-2-205 (2023.5.23 Miyako Messe, Kyoto).
• Yuki Takamoto, Manabu Tanaka, and Takayuki Watanabe: Arc Temperature Measurement with High-Speed Camera Based on Continuum and Line Emissions in Argon-Nitrogen Fee-Burning Arc, Proceedings of 75th Annual Gaseous Electronics Conference and 11th International Conference on Reactive Plasmas, ET1.00005, p.64-65 (2022.10.4 Sendai International Center).
• Soon-Ho Kim, Manabu Tanaka, Takayuki Watanabe, and Myeong-Hoon Lee: Arc behavior and Temperature Distribution in Water Thermal Plasma with Mist Generation, Journal of Chemical Engineering of Japan, 54 (6), 277-282 (2021.6).
• Naoki Sakura, Masaki Yoshida, Manabu Tanaka, and Takayuki Watanabe: Investigation of Electrode Erosion Mechanism in Ar-N2 DC Arc based on Visualization of Electrode Phenomena, Japanese Journal of Applied Physics, 59 (11) 116011 (2020.10).
• Naoki Sakura, Masaki Yoshida, Manabu Tanaka, and Takayuki Watanabe: Investigation of Erosion Mechanism of Tungsten-Based Cathode in Ar-N2 DC Arc, Journal of Physics D: Applied Physics, 52 (40) 404002 (2019.8).
• Takayuki Watanabe, Masaki Yoshida, Naoki Sakura, and Manabu Tanaka: Visualization of Electrode Phenomena in Nitrogen DC Arc, 24th International Symposium on Plasma Chemistry, P3-88 (2019.6.13 Naples, Italy).
• Hiroki Munekata, Manabu Tanaka, and Takayuki Watanabe: Discharge Characteristics of Water Plasma with Mist Generation, 24th International Symposium on Plasma Chemistry, P3-85 (2019.6.13 Naples, Italy).
• Manabu Tanaka, Hirohiko Soeda, Takayuki Watanabe, and Koji Ohtsuki: Plasma Jet Charactersitcs in Long DC Arc with Ring-Shaped Anode, Journal of Fluid Science and Technology, 13 (4), JFST0027 (2018.11).
• Feng Liang, Manabu Tanaka, Sooseok Choi, Takayuki Watanabe: Effect of Arc Behaviour on the Temperature Fluctuation of Carbon Electrode in DC Arc Discharge, Journal of Physics: Conference Series, 518, 012027 (2014.6).
• Feng Liang, Manabu Tanaka, Sooseok Choi, and Takayuki Watanabe: Electrode Temperature Measurement for Carbon Nanomaterial Production by Arc Discharge Method, Proceedings of 21st International Symposium on Plasma Chemistry, Paper ID:68 (2013.8.8 Cairns, Australia).
• TianMing Li, Sooseok Choi, Takayuki Watanabe: Discharge Characteristics of DC Arc Water Plasma for Environmental Application, Plasma Science and Technology, 14 (12), p.1097-1101 (2012.12).
• TianMing Li, Sooseok Choi, Takayuki Watanabe, Takashi Nakayama, Toshio Tanaka: Discharge and Optical Characteristics of Long Arc Plasma of Direct Current Discharge, Thin Solid Films, 523 (15), p.72-75 (2012.11).
• TianMing Li, Sooseok Choi, and Takayuki Watanabe: Discharge Characteristics of DC Arc Water Plasma for Environmental Application, Proceedings of 20th International Symposium on Plasma Chemistry, LIQ18 (2011.7.25 Philadelphia, USA).
• Manabu Tanaka, Joachim V. Heberlein, and Takayuki Watanabe: Initiation of Anode material Evaporation in a Transferred Arc Device, Proceedings of 19th International Symposium on Plasma Chemistry, P1.1.19 (2009.7 Bochum, Germany).
• Shigehiro Shimbara and Takayuki Watanabe: Water Plasma Generation under Atmospheric Pressure for Waste Treatment, Proceedings of Regional Symposium on Chemical Engineering, C7-1~6 (2003.12 Makati, Philippines).
• Takeshi Kawachi and Takayuki Watanabe: The Computational Analysis of the Anode Using Numerical Method of Thermal Plasma, Proceedings of 5th World Congress on Computational Mechanics, Paper-ID: 80375 (2002.7 Vienna, Austria).
• Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Numerical Analysis of The Heat Transfer at The Transferred Arc Anode by Use of a Blowing Gas, Proceedings of Japanese Symposium on Plasma Chemistry, 3, p.99-104 (1991.5).
• Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Concentration of a Plasma Flow by a Blowing Gas, International Chemical Engineering, 29 (4), p.663-670 (1989.10).
• Katsusuke Nagashima, Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Fluid Dynamic Control of Heat Transfer to Transferred Arc Anode, Proceedings of Japanese Symposium on Plasma Chemistry, 1, p.221-226 (1988.10).
• Takayuki Watanabe, Takuya Honda, and Atsushi Kanzawa: Fluid Dynamic Control of a Plasma Energy Flow by a Blowing Gas, Proceedings of 8th International Symposium on Plasma Chemistry, vol.1, p.61-66 (1987.9 Tokyo).