Published in proceedings or abstracts

(1) Hiroshi YAMAGUCHI, Shigemitsu SHUCHI, Masao TAKEMURA and Takuya KUWAHARA, "Measurement of Void Fraction in Magnetic Fluid Using Electromagnetic Induction", The 5th JSME-KSME Fluids Engineering Conference, Nagoya (Japan), November 17-21, 2002, Proc. 6 pages.

(2) Hiroshi YAMAGUCHI and Takuya KUWAHARA, "Method of Measuring Void Fraction Average in Magnetic Fluid, Using Magnetic Induction", The 9th Japanese-French Workshop on Magnetic Fluids, Sendai (Japan), November 7, 2003. Proc.pp.60-65.

(3) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Measuring Technique of Void Fraction For Magnetic Fluid", The 10th Japanese-French Workshop on Magnetic Fluids, Paris (France), July 29, 2004, Abst. pp.24-25.

(4) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Void Fraction Measurement in Magnetic Fluid", The 10th International Conference on Magnetic Fluids, Sao Paulo (Brazil), August 2-6, 2004, Abst. pp.215-216.

(5) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Void Fraction Measurement For Gas-Liquid Two-Phase Flow of Magnetic Fluid", The 3rd International Symposium on Two-Phase Flow Modeling and Experimentation, Pisa (Italy) ,September 22-24, 2004, Proc. CD-ROM (8 pages).

(6) Takuya KUWAHARA and Hiroshi YAMAGUCHI, "Flow Regime Discrimination in Gas-Liquid Two-Phase Flow of Magnetic Fluid", The 11th Japanese-French International Seminar on Magnetic Fluids, Kyoto (Japan), November 21-22, 2005, Abst. pp. 27-29.

(7) Takuya KUWAHARA, Florian DE VUYST and Hiroshi YAMAGUCHI, "Bubble Velocity Measurement Using Magnetic Fluid", The 12th French-Japanese Seminar on Magnetic Fluids, Paris (France), July 20, 2007, Abst. pp.33-34.

(8) Takuya KUWAHARA,  Hiroshi YAMAGUCHI andFlorian DE VUYST, "Flow Regime Classification in Air-Magnetic Fluid Two-Phase Flow", The 11th International Conference on Magnetic Fluids, Kosice (Slovakia), July 23-27, 2007, Abst. 6P18 (2 pages).

(9) Takuya KUWAHARA, Florian DE VUYST and Hiroshi YAMAGUCHI, "Bubble Velocity Measurement Using Magnetic Fluid", The 7th PAMIR International Conference on Fundamental and Applied MHD, Presqu'il de Giens (France), September 8-12, 2008, Proc. pp.673-677.

(10) Takuya KUWAHARA, Florian DE VUYST and Hiroshi YAMAGUCHI, "Numerical Simulation of Transcritical/Supercritical CO2 Heated Pipe Flows", The 2nd China-Japan Joint Seminar of Conversion, Beijing (China), November 27-28, 2008, Proc. pp.25-35.

(11) Masaaki OKUBO, Keiichiro YOSHIDA, Takuya KUWAHARA, Shinpei KAWASAKI and Tomoyuki KUROKI,"Development of Plasma-Assisted Aftertreatment System for Super Clean Diesel Engine (Recent Status Report)", International Workshop on Environment & Engineering 2009 (IWEE2009), Yokohama (Japan), November 24-25, 2009, Proc.  (9 pages).

(12) Masaaki OKUBO, Tomoyuki KUROKI, Takuya KUWAHARA, Yohei KANNAKA and Keiichiro YOSHIDA, "Development of Nonthermal Plasma Emission Control System for Super Clean Diesel Engine", The International Workshop of Energy Conversion 2009, Kyoto (Japan), November 25-27, 2009, Proc. pp.33-38.

(13) Masaaki OKUBO, Tomoyuki KUROKI, Takuya KUWAHARA and Yohei KANNAKA, "Development of Nonthermal Plasma Emission Control System for Super Clean Diesel Engine (Recent Status Report)", International Symposium on Non-Thermal/Thermal Plasma Pollution Control Technology & Sustainable Energy (ISNTP-7), St. John's (Canada), June 21-25, 2010, Proc. (4 pages).

(14) Takuya Kuwahara, Masaaki Okubo and Ryuichiro Yamane, "Open Channel Flows of Magnetic Fluid Induced By Traveling Magnetic Field", The 12th International Conference on Magnetic Fluids, Sendai (Japan), August 1-5, 2010, Abst.pp.259-260.

(15) Masaaki OKUBO, Takuya KUWAHARA, Yohei KANNAKA, Tomoyuki KUROKI and Keiichiro YOSHIDA, "Improvement of NOx Reduction Efficiency in Diesel Emission Using Nonthermal Plasma - Exhaust Gas Recirculation Combined Aftertreatment", The 45th IEEE Industry Applications Society Annual Meeting, Houston, Texas (USA), October 3-7, 2010,  Conference Record (7 pages).

(16) Yuhiro IWAMOTO, Xiao-Dong NIU, Hiroshi YAMAGUCHI, Haruhiko YAMASAKI and Takuya KUWAHARA, "Lattice Boltzmann Simulation of Magnetically-driven Heat Transport Device using Temperature-sensitive Magnetic Fluid", The 8th International Conference for Mesoscopic Methods in Engineering and Science (ICMMES 2011), Lyon (France), July 4-8, 2011, Proc. (2 pages).

(17) Yuhiro IWAMOTO, Xiao-Dong NIU, Hiroshi YAMAGUCHI, Ryuji OKUDA and Takuya KUWAHARA, "Heat Transport Characteristics of Magnetically-driven Heat Transport Device using a Binary-temperature Sensitive Magnetic Fluid", The 8th PAMIR International Conference on Fundamental and Applied MHD, Borgo–Corsica (France), September 5-9, 2011, Proc. (5 pages).

(18) Takuya KUWAHARA, Keiichiro YOSHIDA, Kenichi HANAMOTO, Kazutoshi SATO, Tomoyuki KUROKI, Toshiaki YAMAMOTO and Masaaki OKUBO, "Continuous Regeneration Characteristics of Ceramics Particulate Filter in Marine Diesel Engine Using Nonthermal Plasma-Induced Ozone Injection", The 9th International Symposium on Marine Engineering (ISME KOBE 2011), Kobe (Japan), October 17-21, 2011, Proc.C4-2 (6 pages).

(19) Masaaki OKUBO, Keiichiro YOSHIDA, Kenichi HANAMOTO, Kazutoshi SATO, Takuya KUWAHARA, Tomoyuki KUROKI and Toshiaki YAMAMOTO, "Pilot-Scale Experiments of Continuous Regeneration of Ceramic Particulate Filter in Marine Diesel Engine Using Nonthermal Plasma-Induced Radicals", The 46th IEEE Industry Applications Society Annual Meeting (IAS Annual Meeting 2011), Orlando, Florida (U.S.A.), October 9-13, 2011, Conference Record (7 pages).

(20) Masaaki OKUBO, Hidekatsu FUJISHIMA, Yusuke YOSHIOKA, Takuya KUWAHARA, Tomoyuki KUROKI, Atsushi TANAKA and Keiichi OTSUKA, "Development of Ultra-Low Emission Gas and Bio-Oil Multi-Fuel Boiler System Using Plasma-Chemical Hybrid NOx Aftertreatment", The 4th International Workshop of Energy Conversion (IWEC 2011), Kyoto (Japan), November 27-29, 2011, Proc. pp.35-43.

(21) Takuya KUWAHARA, Keiichiro YOSHIDA, Kenichi HANAMOTO, Kazutoshi SATO, Tomoyuki KUROKI, Toshiaki YAMAMOTO and Masaaki OKUBO, "Nonthermal Plasma Regeneration of Marine Diesel Particulate Filter", The 4th International Workshop of Energy Conversion (IWEC 2011), Kyoto (Japan), November 27-29, 2011, Proc. pp.115-121.

(22) Masaaki OKUBO, Hideaki YAMADA, Takuya KUWAHARA, Tomoyuki KUROKI  and Keiichiro YOSHIDA, “Higher-Efficiency CO2 Dissociation Using Nonthermal Plasma Desorption”, The 39th IEEE International Conference on Plasma Science (ICOPS 2012), Edinburgh (U.K.), July 8-12, 2012, Abst.4E-7 (1 page).

(23) Takuya KUWAHARA, Tomoyuki KUROKI, Toshiaki YAMAMOTO and Masaaki OKUBO, “Single-Stage Simultaneous Removal of Gases and Particulates in Wet-Type Plasma-Chemical Reactor”, International Symposium on Electrohydrodynamics 2012 (ISEHD 2012), Gdansk (Poland), September 23-26, 2012, Proc. pp.108-113.

(24) Tomoyuki KUROKI, Mitsuru TAHARA, Takuya KUWAHARA and Masaaki OKUBO, “Electroless Nickel Plating on Fluoroplastics Films Using Atmospheric Pressure Nonthermal Plasma Graft Polymerization Process”, The 47th IEEE Industry Applications Society Annual Meeting (IAS Annual Meeting 2012), Las Vegas, Nevada (U.S.A.), October 7-11, 2012, Conference Record 2012-EPC-326 (6 pages).

(25) Masaaki OKUBO, Takuya KUWAHARA, Keiichiro YOSHIDA, Masashi KAWAI, Kenichi HANAMOTO, Kazutoshi SATO and Tomoyuki KUROKI, “Total Marine Diesel Emission Control Technology Using Nonthermal Plasma Hybrid Process”, The 27th CIMAC World Congress on Combustion Engine Technology (CIMAC 2013), Shanghai (China), May 13-16, 2013, Proc. Paper No.153 (14 pages).

(26) Masaaki OKUBO and Takuya KUWAHARA, “Development of Superclean Diesel Engine Using Nonthermal Plasma Hybrid Aftertreatment”, Joint Symposium on Plasma and Electrostatic Technologies for Environmental Applications, Gifu (Japan), May 19-21, 2013, Proc. M20-11 (total 3 pages).

(27) Masaaki OKUBO, Keiichiro YOSHIDA, Takuya KUWAHARA and Tomoyuki KUROKI, “Marine Diesel Particulate Emissions Control Using Ozone Injection”, International Conference of PM2.5 & Energy Security 2014, Kyoto (Japan), March 5-7, 2014, Abst. p.47.

(28) Takuya KUWAHARA, Tomoyuki KUROKI and Masaaki OKUBO, “Experimental Studies on Super Clean Diesel Power Generation Using Nonthermal Plasma Hybrid Aftertreatment”, Global Conference on Global Warming 2014 (GCGW-14), Beijing (China), May 25-29, 2014, Proc. No.115 (11 pages).

(29) Hiroshi YAMAGUCHI, Yuhiro IWAMOTO, Xiao-Dong NIU, Takuya KUWAHARA and Xin-Rong ZHANG, “Experimental Study on Supercritical CO2 Turbine of Solar Energy-Powered Rankine Cycle”, Global Conference on Global Warming 2014 (GCGW-14), Beijing (China), May 25-29, 2014, Abst. No.070.

(30) Takuya KUWAHARA, Shunsuke NISHII, Tomoyuki KUROKI and Masaaki OKUBO, “Complete Regeneration of Diesel Particulate Filter UsingNonthermal Plasma-Induced Ozone Injection”, The 14th International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XIV), Zinnowitz (Germany), September 21-26, 2014, Proc. (5 pages).

(31) Takuya KUWAHARA, Shunsuke NISHII, Tomoyuki KUROKI and Masaaki OKUBO, “Characteristics of Diesel Particulate Filter Regeneration Using Plasma-Induced Ozone Injection”, The 3rd Korea-Japan Conference on Plasma and Electrostatics Technologies (KJPE 2014), Jeju (Korea), November 5-7, 2014, Abst. O21 (1 page).

(32) Masaaki OKUBO, Tomoyuki KUROKI, Hideaki YAMADA, Keiichiro YOSHIDA and Takuya KUWAHARA, “CO2 Concentration Using Adsorption Followed by Nonthermal Plasma Desorption”, The 6th International Workshop of Energy Conversion (IWEC 2016), Kyoto (Japan), March 8-10, 2016, Proc. pp.73-78.

(33) Takuya KUWAHARA, Florian DE VUYST and Hiroshi YAMAGUCHI, “Numerical Modeling for Analysis on Heat Transport Characteristics in Supercritical Fluid Flow and Rankine Cycle Using Supercritical CO2”, The 6th International Workshop of Energy Conversion (IWEC 2016), Kyoto (Japan), March 8-10, 2016, Proc. pp.80-86.

(34) Tomoyuki KUROKI, Shunsuke NISHII, Takuya KUWAHARA and Masaaki OKUBO, “Nanoparticle Removal and Exhaust Gas Cleaning Using A Gas-Liquid Interfacial Nnonthermal Plasma”, 2016 Electrostatics Joint Conference, West Lafayette Indiana (U.S.A.), June 13-16, 2016, Proc. (13 pages).

(35) Takuya KUWAHARA, “Fundamental Characteristic of Reduction of Energy Consumption in Nonthermal Plasma Water Sterilization Using Electrolysis of Water and Fuel Cells”, 9th Kyoto International Forum for Environment and Energy (9th KIFEE), Kyoto (Japan), March 9, 2017,  Abst. (1 page).

(36) Takuya KUWAHARA, “Fundamental Characteristic of Reduction of Energy Consumption in Water Sterilization Using Nonthermal Plasma”, 2017 IEEE Industry Applications Society Annual Meeting (IAS Annual Meeting 2017), Cincinnati, Ohio (U.S.A), October 1-5, 2017, Conference Record 2017-EPC-0646 (7 pages). 

(37) Takuya KUWAHARA, “Fundamental Characteristics of Diesel Particulate Removal From Exhaust Gas Using A Magnetic Fluid”, 7th International Workshop of Energy Conversion (IWEC2017), Nantong (China), November 26-28, 2017, Proc. pp.23-27. <Invited>

(38) Takuya KUWAHARA, Keiichiro YOSHIDA, Tomoyuki KUROKI, Kenichi HANAMOTO, Kazutoshi SATO and Masaaki OKUBO, "Pilot-Scale Combined Reduction of Accumulated Particulate Matter and NOx Using Nonthermal Plasma for Marine Diesel Engine", 2018 Electrostatics Joint Conference, Boston, Massachusetts (U.S.A), June 18-20, 2018, Proc. J3 (13 pages).

(39) Takuya KUWAHARA, "Application of Magnetic Fluid to Diesel Particulate Removal", Japan-Taiwan International Conference on Magnetic Fluids 2018, Yokohama (Japan), November 21-22, 2018, Abst. pp.24-26. <Invited>

(40) Takuya KUWAHARA, "Fundamental Characteristics of Diesel Particulate Removal Using A Ferrofluid and Nonthermal Plasma Discharge", 15th International Conference on Magnetic Fluids (ICMF 2019), Paris (France), July 8-12, 2019, Abst. p.301.

(41) Yusuke ASAKA and Takuya KUWAHARA, "Diesel particulate Removal in Magnetic Fluid Filter Using AC Nonthermal Plasma Discharge", 12th International Symposium on Nonthermal/Thermal Plasma Pollution Control Technology & Sustainable Energy & international Symposium on Electrohydrodynamics 2022 (ISNTP & ISEHD 2022), Hokkaido (Japan), August 28-September 2, 2022, Proc. O-33 (6 pages).

(42) Takuya KUWAHARA, "Reduction in Energy Consumption in Water Purification Technology With Water", International Workshop of Energy Conversion 2023 (IWEC 2023), Kyoto (Japan), March 15-17, 2023, Paper No. IWEC2023-08 (7 pages).

(43) Yusuke ASAKA and Takuya KUWAHARA, PM Removal Characteristics in Magnetic Fluid Filter With Dielectric Barrier Discharge", International Workshop of Energy Conversion 2023 (IWEC 2023), Kyoto (Japan), March 15-17, 2023, Paper No. IWEC2023-15 (5 pages).

(44) Takuya KUWAHARA and Yusuke ASAKA, Ionic Wind Generation From Magnetic Fluid in Various Configurations", 16th International Conference on Magnetic Fluids (ICMF 2023), Granada (Spain), June 12-16, 2023, Abst. p.41.

(45) Yusuke ASAKA and Takuya KUWAHARA, Particulate Removal and Ozone Generation in Magnetic Fluid Air Filter Using Electrostatic Force", 16th International Conference on Magnetic Fluids (ICMF 2023), Granada (Spain), June 12-16, 2023, Abst. p.175.

(46) Takuya KUWAHARA, "Decolorization of Colored Solutions in Water Purification Technology by Water", International Workshop of Energy Conversion 2024 (IWEC 2024), Nantong (China), March 15-18, 2024, Abst. p.26.