Published in proceedings or abstracts

(1) Hiroshi YAMAGUCHI, Takuya KUWAHARA, Masashi OHNISHI and Masatoshi ENOMOTO, "Pressure Characteristics for Boiling Two-Phase Flow of Non-Isotropic Temperature Sensitive Magnetic Fluid", Japan Society for Multiphase Flow Annual Meeting 2004, Okayama, August 5-7, 2004, pp.187-188.

(2) Hiroshi YAMAGUCHI, Takuya KUWAHARA, Kazuhiro KINOSHITA and Kazuhiro HIRATA, "The Flow Behavior of Bamboo and Glass Fiber Suspended Fluids", Japan Society of Fluid Mechanics Annual Meeting 2004, Nagoya, August 9-11, 2004, pp.258-259.

(3) Takuya KUWAHARA, Hiroshi YAMAGUCHI, Shigemitsu SHUCHI and Koji SAKATANI, "Evaluation of Characteristics of Heat Transport Device Using Magnetic Fluid", Japan Society of Fluid Mechanics Annual Meeting 2004, Nagoya, August 9-11, 2004, pp.574-575.

(4) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Measurement of Void Fraction Using Diluted Magnetic Fluid", Japan Society of Magnetic Fluid Research Annual Meeting 2004,Tokyo, December 15-16, 2004, pp.21-23.

(5) Kazuteru KOJIMA, Hiroshi YAMAGUCHI, Takuya KUWAHARA and Masatoshi ENOMOTO, "Characteristics of MHD Power Generation Using Electroconductive Polymer Mixing Magnetic Fluids", The 17th Symposium on Electromagnetics and Dynamics, Kochi, June 22-24, 2005, pp. 55-58.

(6) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Void Fraction Measurement by Adding Magnetic Fluid", Japan Society for Multiphase Flow Annual Meeting 2005, Tokyo, August 1-3, 2004, pp.497-498.

(7) Masashi OHNISHI, Hiroshi YAMAGUCHI and Takuya KUWAHARA, "Pressure Characteristics of Magnetic Fluid Heat Transport Device in Various Magnetic Fields", Japan Society for Multiphase Flow Annual Meeting 2005, Tokyo, August 1-3, 2005, pp.499-500.

(8) Masashi OHNISHI, Hiroshi YAMAGUCHI and Takuya KUWAHARA, "Magnetic Pressure Characteristics of Heat Transport Device with Temperature Sensitive Magnetic Fluid in Various Magnetic Fields", Symposium on Magnetic Fluids, Fukushima, August 9, 2005, pp. 21-24.

(9) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Measurement of Gas-Liquid Two-Phase Flow in Magnetic Fluid", Japan Society of Magnetic Fluid Research Annual Meeting 2005, Yokohama, December 8-9, 2005, pp.10-13.

(10) Takuya KUWAHARA, Hiroshi YAMAGUCHI and Masashi OHNISHI, "Heat Transport Characteristics of Heat Transport Device Using Magnetic Fluid", The 18th Symposium on Electromagnetics and Dynamics (SEAD18), Kobe, May 18-19, 2006, pp.95-100.

(11) Takuya KUWAHARA, Hiroshi YAMAGUCHI and Florian DE VUYST, "Measurement of Bubble Velocity in Gas-Liquid Two-Phase Flow of Magnetic Fluid", Japan Society for Multiphase Flow Annual Meeting 2006, Kanazawa, August 4-6, 2006, pp. 386-387.

(12) Naoya INOUE, Hiroshi YAMAGUCHI and Takuya KUWAHARA, "Heat Transport Characteristics of Heat Transport Device Using Temperature Sensitive Magnetic Fluid in Different Subcool", Japan Society for Multiphase Flow Annual Meeting 2006, Kanazawa, August 4-6, 2006, pp.388-389.

(13) Hiroshi YAMAGUCHI, Takuya KUWAHARA, Shinsuke MATSUMOTO, Masateru SORANO and Florian DE VUYST, "Bubble Velocity Measurement in Gas-Liquid Two-Phase Flow of Magnetic Fluid", Japan Society of Magnetic Fluid Research Annual Meeting 2006, Hokkaido, December 7-8, 2006, pp.35-36.

(14) Shinsuke MATSUMOTO, Hiroshi YAMAGUCHI, Takuya KUWAHARA, Ming Jun LI and Masaki SORANO, “Measuring Techniques of Bubble Velocity of Gas-Liquid Two-Phase Flow by Using Magnetic Fluid”, The 19th Symposium on Electromagnetics and Dynamics (SEAD19), Tokyo, May 16-18, 2007, pp.89-91.

(15) Hiroshi YAMAGUCHI, Takuya KUWAHARA and Florian DE VUYST, "Corresponding Waveform of Induced Electromotive Force and Flow Regime of Air-Magnetic Fluid Two-Phase Flow in Electromagnetic Induction Measuring Method", Japan Society for Multiphase Flow Annual Meeting 2007, Hokkaido, June 22-24, 2007, pp.60-61.

(16) Takuya KUWAHARA, Hiroshi YAMAGUCHI and Florian DE VUYST, "Flow Regime Identification for Air and Magnetic Fluid Flow Using Electromagnetic Induction and Artificial Neural Network", Japan Society of Magnetic Fluid Research Annual Meeting 2007, Nagoya, December 6-7, 2007, pp. 62-65.

(17) Shogo NAGAOKA, Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Void Fraction Measurement Using Magnetic Fluid in Horizontal Flow", Japan Society for Multiphase Flow Annual Meeting 2008, Aizu-wakamatsu, August 8-10, 2008, pp.222-223.

(18) Shogo NAGAOKA, Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Measurement of Spatial Concentration of Solids Using Magnetic Fluid", Japan Society for Multiphase Flow Annual Meeting 2009, Kumamoto, August 7-9, 2009, pp.114-115.

(19) Masaaki OKUBO, Keiichiro YOSHIDA, Takuya KUWAHARA, Masafumi NISHIMOTO and Tomoyuki KUROKI, "Development of Super Clean Diesel Engine with Plasma-Assisted NOx EGR Aftertreatment System (Recent Status Report)", The 20th  Symposium on Environmental Engineering 2010, Yokohama, June 27-28, 2010, pp.179-182.

(20) Masafumi NISHIMOTO, Takuya KUWAHARA, Keiichiro YOSHIDA, Tomoyuki KUROKI and Masaaki OKUBO, "Effect of Exhaust Gas Temperature on Incineration of Diesel Particulates With Ozone Injection", The 27th Symposium on Aerosol Science & Technology, Japan Association of Aerosol Science and Technology 2010, Nagoya, August 2, 2010, pp.281-281.

(21) Takuya KUWAHARA, Keiichiro YOSHIDA, Tomoyuki KUROKI and Masaaki OKUBO, "Development of Plasma-Assisted Aftertreatment System for Super Clean Diesel Engine", The 21st Internal Combustion Engine Symposium, Okayama, November 10-12, 2010，pp.219-223.

(22) Keiichiro YOSHIDA, Takuya KUWAHARA, Tomoyuki KUROKI and Masaaki OKUBO, "Impact on Fuel Consumption and Exhaust Gas Composition of the Concentrated Exhaust Gas Components Injection into Diesel Engine Intake", The 21st Internal Combustion Engine Symposium, Okayama, November 10-12, 2010, pp.373-375.

(23) Takuya KUWAHARA, Keiichiro YOSHIDA, Tomoyuki KUROKI and Masaaki OKUBO, "Development of Plasma-Assisted NOx Aftertreatment System for Clean Diesel Engine (Experiments with A type of Heavy Oil Fuel)", The 23rd Symposium on Electromagnetics and Dynamics (SEAD23), Nagoya, May 18-20, 2011, pp.295-300.

(24) Masaaki OKUBO, Takuya KUWAHARA, Masafumi NISHIMOTO, Tomoyuki KUROKI and Keiichiro YOSHIDA, "Development of Clean Diesel Engine with Plasma-Assisted Aftertreatment System (Recent Status Report)", The 21st Symposium on Environmental Engineering 2011, Tokyo, June 30-July 1, 2011.

(25) Takuya KUWAHARA, Tomoyuki KUROKI, Keiichiro YOSHIDA, Noboru SAEKI and Masaaki OKUBO, "Development of Sterilization Device Using Air Nonthermal Plasma Jet Induced by Atmospheric Pressure Corona Discharge",The 24th Symposium on Plasma Science for Materials (SPSM24), Osaka, July 19-20, 2011, p.11.

(26) Keiichiro YOSHIDA, Takuya KUWAHARA, Tomoyuki KUROKI and Masaaki OKUBO, “NOx Aftertreatment System Using Combination of Nonthermal Plasma and Ad/Desorption (Simulated Experiment of Two-Chamber System)”, The 22nd Symposium on Environmental Engineering 2012, Sendai, July 4-6, 2012, pp.188-189.

(27) Masaaki OKUBO, Takuya KUWAHARA, Hidekatsu FUJISHIMA, Keiichiro YOSHIDA and Tomoyuki KUROKI,“Development of Super Clean Diesel Engine and Combustor Using Nonthermal Plasma Aftertreatment (Review for Recent Achievements)”, The 22nd Symposium on Environmental Engineering 2012, Sendai, July 4-6, 2012, pp.190-193.

(28) Takuya KUWAHARA, Masafumi NISHIMOTO, Keiichiro YOSHIDA, Tomoyuki KUROKI and Masaaki OKUBO, “Effect of Exhaust Gas Temperature on Low-Temperature Treatment of Diesel Particulates with Indirect Plasma”, The 22nd Symposium on Environmental Engineering 2012, Sendai, July 4-6, 2012, pp.199-201.

(29) Shunsuke NISHII, Takuya KUWAHARA, Tomoyuki KUROKI and Masaaki OKUBO, “Complete Incineration of Diesel Particulate Matter Using Indirect Plasma”, The 29th Symposium on Aerosol Science & Technology, Japan Association of Aerosol Science and Technology, Kitakyuushu, August 28-30, 2012, pp.151-152.

(30) Takuya KUWAHARA, Taiki SHINOHARA, Masashi KAWAI, Keiichiro YOSHIDA, Kenichi HANAMOTO, Kazutoshi SATO, Tomoyuki KUROKI and Masaaki OKUBO,“Pilot-Scale Experiment of Plasma-Hybrid Processing Aftertreatment System for Exhaust Gas Purification of Marine Diesel Engine”, The Japan Society of Mechanical Engineers Annual Meeting 2012, Kanazawa, September 9-12, 2012, S055015.

(31) Harunobu NAKAGUCHI, Takuya KUWAHARA, Tomoyuki KUROKI and Masaaki OKUBO, “Diesel Emission Purification by Dual Adsorbent Chamber Hybrid Aftertreatment System of NOx Recirculation and Reduction Using Nonthermal Plasma”, The 36th Annual Meeting of the Institute of Electrostatics Japan, Hachinohe, September 13-14, 2012, pp.183-184.

(32) Masaaki OKUBO, Takuya KUWAHARA, Hidekatsu FUJISHIMA, Keiichiro YOSHIDA and Tomoyuki KUROKI,“Developmentof Super Clean Diesel Engine and Combustor Using Nonthermal Plasma Aftertreatment (Recent Achievements)”, The 36th Annual Meeting of the Institute of Electrostatics Japan, Hachinohe, September 13-14, 2012, pp.185-188.

(33) Takuya KUWAHARA, Shunsuke NISHII, Tomoyuki KUROKI and Masaaki OKUBO, “Characteristics of Complete Regeneration of Diesel Particulate Filer Using Indirect Plasma”,The 36th Annual Meeting of the Institute of Electrostatics Japan, Hachinohe, September 13-14, 2012, pp.217-218. 

(34) Masaaki OKUBO, Takuya KUWAHARA, Tomoyuki KUROKI, Keiichiro YOSHIDA, Kenichi HANAMOTO and Kazutoshi SATO, “Development of Plasma-Assisted Aftertreatment System for Super Clean Diesel Engine”, The 82th Annual Meeting of the Japan Institute of Marine Engineering, Takamatsu, September 20, 2012, total 4 pages.

(35) Masaaki OKUBO, Takuya KUWAHARA, Keiichiro YOSHIDA and Tomoyuki KUROKI, “Plasma Hybrid Clean Technology for Flue Gas Emitted from Combustors (Review for Recent Achievements)”, The 23rd Symposium on Environmental Engineering 2013, Tokyo, July 10-12, 2013, pp.204-207.

(36) Takuya KUWAHARA, Keiichiro YOSHIDA, Kenichi HANAMOTO, Kazutoshi SATO, Tomoyuki KUROKI and Masaaki OKUBO, “Purification Technology of Diesel Particulates in Emission from Marine Diesel Engine Using Plasma-Induced Radical”, The 23rd Symposium on Environmental Engineering 2013, Tokyo, July 10-12, 2013, pp.210-213.

(37) Takuya KUWAHARA, Shunsuke NISHII, Takuma IZUMI, Tomoyuki KUROKI and Masaaki OKUBO, “Exhaust gas cleaning using gas–liquid interfacial plasma”, 2013 Annual Conference of Fundamentals and Materials Society of IEE Japan, Yokohama, September 12-13, 2013, pp.46.

(38) Takuya KUWAHARA, Shunsuke NISHII, Tomoyuki KUROKI and Masaaki OKUBO,“Complete regeneration of diesel particulate filter by ozone injection”, Plasma Research Meeting, The Institute of Electrical Engineers of Japan, Tochigi (Ashikaga Institute of Technology), May 9-10, 2014, PST-14-004 (total 5 pages).

(39) Takuya KUWAHARA and Edward Kai NEGISHI, “Fundamental Characteristic of Power Recovery Using Fuel Cells in Ozone Generation”, 2015 Annual Conference of Fundamentals and Materials Society of IEE Japan, Kanazawa, September 17-18, 2015, p.247.

(40) Yusuke ASAKA and Takuya KUWAHARA, “Collection Characteristics of Low-Resistive Particulate Matters Using A Magnetic Fluid and Nonthermal Plasma Discharge”, Japan Society of Magnetic Fluid Research Annual Meeting 2021, Online, December 9-10, 2021, pp.31-32.

(41) Yusuke ASAKA and Takuya KUWAHARA, “Collection Characteristics of Diesel Particulates Using AC Nonthermal Plasma Discharge From Magnetic Fluid Electrode”, The 23th Institute of Electrostatics Japan Spring Meeting 2022, Online, March 1, 2022, pp.33-34.

(42) Takuya KUWAHARA, “Water Purification Technology by Water: Development of An Energy-Efficient Ozone-Based Water Purification Device Using Water Electrolysis and Fuel Cells”, The 31st Annual Conference on Ozone Science and Technology in Japan, Osaka, June 23, 2022, pp.127-130.

(43) Yusuke ASAKA and Takuya KUWAHARA , “Fundamental Characteristics of Ionic Wind Velocity in AC Nonthermal Plasma Actuator Using Magnetic Fluid”, Japan Society of Magnetic Fluid Research Annual Meeting 2022, Tsukuba, Tsukuba, December 8-9, 2022, total 2 pages.

(44) Yusuke ASAKA and Takuya KUWAHARA , “Ionic Wind Generation Mechanism for Plasma Actuator Using Magnetic Fluid Discharge Electrodes”, The 24th Institute of Electrostatics Japan Spring Meeting 2023, Tokyo&Online, March 1, 2023, pp.1-2.

(45) Yusuke ASAKA and Takuya KUWAHARA, “Elucidation of Fundamental Characteristics of Ionic Wind Using Surface Dielectric Barrier Discharge from Magnetic Fluid Electrode”, The 32nd MAGDA Conference (MAGDA 2023), Kanazawa, Ishikawa, November 27-28, 2023, pp.173-174.

(46) Tsubasa UENO, Yusuke ASAKA and Takuya KUWAHARA, “Self-Cooling Performance of Magnetic Fluid Plasma Actuator”, Japan Society of Magnetic Fluid Research Annual Meeting 2022, Minamisaitama-gun, Saitama, December 7-8, 2023, total 2 pages.

(47) Yusuke ASAKA and Takuya KUWAHARA, “Fundamental Characteristics of Particulate Collection and Ozone Generation in a Single Magnetic Fluid Filter”, Japan Society of Magnetic Fluid Research Annual Meeting 2022, Minamisaitama-gun, Saitama, December 7-8, 2023, total 2 pages.

(48) Ion TERAKADO and Takuya KUWAHARA, “Decolorization of colored solutions in water purification technology by water”, The 33rd Annual Conference on Ozone Science and Technology in Japan, Kyoto, June 13-14, 2024, pp.59-62.

(49) Yusuke ASAKA, Tsubasa UENO and Takuya KUWAHARA, “Discharge-Electrode Shape Control of Magnetofluid Dielectric Barrier Discharge Plasma Actuator by Magnetic Field”, The 33rd MAGDA Conference, Tokyo, November 18-19, 2024, pp.167-168.

(50) Tsubasa UENO, Yusuke ASAKA and Takuya KUWAHARA, “Influence of Series Arrangement of Magnetic Fluid Plasma Actuators on Ionic Wind Velocity”, The 33rd MAGDA Conference, Tokyo, November 18-19, 2024, pp.169-170.

(51) Yusuke ASAKA, Tsubasa UENO and Takuya KUWAHARA, “Effect of the Number of Magnetic Fluid Electrodes on the Particle Collection Efficiency for Improving the Collection Capacity of Magnetic Fluid Filters”, The 37th Symposium on Electromagnetics and Dynamics (SEAD37), Saitama, May 21-23, 2025, 21A1-1 (4 pages).

(52) Tsubasa UENO, Yusuke ASAKA and Takuya KUWAHARA, “Elucidation of Discharge Phenomena in Magnetic Fluid Plasma Actuators”, The 37th Symposium on Electromagnetics and Dynamics (SEAD37), Saitama, May 21-23, 2025, 21A1-2 (4 pages).

(53) Kazuya MATSUTANI, Kakeru KASAI, Tomoki KATAYAMA, Jun YABUKI, Shinya HAYASHI and Takuya KUWAHARA, “Elucidation of Driving Pressure Characteristics of Water-Based Magnetic Fluid and its Application to a Heat Transport Device with a U-Shaped Heating Section”, Spring Conference of Japan Fluid Power System Society 2025, Tokyo, June 19-20, 2025, pp.1-3.

(54) Tsubasa UENO and Takuya KUWAHARA, “Improvement of Discharge Efficiency by Sequential Arrangement of Magnetic Fluid Plasma Actuators”, Spring Conference of Japan Fluid Power System Society 2025, Tokyo, June 19-20, 2025, pp.4-6.

(55) Tsubasa UENO, Yusuke ASAKA and Takuya KUWAHARA, “PM Collection and Ozone Generation Control of Magnetic Fluid Filter Using AC Nonthermal Plasma for Air Purifiers”, The 34th Annual Conference on Ozone Science and Technology in Japan, Tokyo, June 26-27, 2025, pp.29-32.