NAGAI Niro

FacultyMechanical Engineering
Teacher OrganizationMechanical Engineering
Education and
 Research Organization
Faculty of Engineering /Graduate School of Engineering
Position30
Last Updated: 17/09/22 20:05

Researcher Profile & Settings

Contact

Research Areas

  • Engineering / Mechanical engineering / investigation on cooling technology by boilingboiling, liquid-solid contact, bubble, wetting initiation /  Collaboration in Japan 2008
  • Engineering / Mechanical engineering / development of new heat pipe BACHheat pipe, heat transport, bubble, boiling nucleation, BACH /  Collaboration in Japan 2007
  • Engineering / Mechanical engineering / development of snow-melting and air-conditioning system using shallow geothermal energyunderground heat, solar heat, snow melting, heat storage, pile, air conditioning /  Collaboration in Japan 2004

Affiliation

  •  Mechanical Engineering 30

Education

  • Apr. 1991Mar. 1993The University of Tokyo Graduate School, Division of Engineering 機械情報工学専攻
  • Apr. 1989Mar. 1991The University of Tokyo Graduate School, Division of Engineering 舶用機械工学専攻
  • Apr. 1985Mar. 1989The University of Tokyo Faculty of Engineering Department of Marine Mechanical Engineering

Degree

  • Doctor of Engineering
  • Master of Engineering

Academic & Professional Experience

  • Apr. 2016University of Fukui Faculty of Engineering, Mechanical Engineering 30
  • Apr. 2013Mar. 2016University of Fukui Graduate School of Engineering, Department of Mechanical Engineering 30
  • Apr. 2007Mar. 2013University of Fukui Graduate School of Engineering, Department of Mechanical Engineering 31
  • Apr. 2006Mar. 2007University of Fukui Graduate School of Engineering, Department of Mechanical Engineering 95
  • Oct. 2000Aug. 2001University of California, Berkeley Visiting Scholar
  • Jul. 1998Mar. 2006Fukui University Faculty of Engineering, Department of Mechanical Engineering 95
  • Apr. 1993Jul. 1998Fukui University Faculty of Engineering, Department of Mechanical Engineering 34

Overseas travel history

  • Indonesia IJCAET&ISAMPE2017 (Bali) Aug.  2017- Aug. 2017
  • Korea Pukyong National University (Busan) Feb.  2017- Feb. 2017
  • Malaysia MARA Japan Industrial Institute (Kuala Lumpur) Nov.  2016- Nov. 2016
  • USA The First Pacific Rim Thermal Engineering Conference (Hawaii) Mar.  2016- Mar. 2016
  • Malaysia MARA Japan Industrial Institute (Kuala Lumpur) Nov.  2015- Nov. 2015
  • China 2015 International Symposium on Advanced Mechanical Engineering and Power Engineering (Shanghai) Nov.  2015- Nov. 2015
  • UAE (Ras Al Khaimah) Oct.  2015- Oct. 2015
  • China University of Shanghai of Science and Technology (Shanghai) Mar.  2015- Mar. 2015
  • Korea 2014 International Symposium on Advanced Mechanical Engineering and Power Engineering (Busan) Nov.  2014- Nov. 2014
  • Thailand Sodick Co.,Ltd, King Mongkut's University, Rojana Power, Jetro Bangkok, Thammasat University (Bangkok) Sep.  2014- Sep. 2014
  • China University of Shanghai of Science and Technology (Shanghai) Mar.  2014- Mar. 2014
  • China 2012 International Symposium on Advanced Mechanical Engineering and Power Engineering (Shanghai) Nov.  2012- Nov. 2012
  • Switzerland 8th ECI International Conference on Boiling and Condensation (Lausanne) Jun.  2012- Jun. 2012
  • Korea 8th KSME-JSME Thermal and Fluids Engineering Conference (Incheon) Mar.  2012- Mar. 2012
  • Korea 2011 International Symposium on Advanced Mechanical Engineering and Power Engineering (Busan) Nov.  2011- Nov. 2011
  • USA 8th ASME-JSME Thermal Engineering Joint Conference (Hawaii.) Mar.  2011- Mar. 2011
  • USA International Heat Transfer Conference 14 (Washington, D.C.) Aug.  2010- Aug. 2010
  • Taiwan 7th Pacific Symposium on Flow Visualization and Image Processing (Kaohsiung) Nov.  2009- Nov. 2009
  • USA Intel Corporation (Arizona) Jul.  2009- Jul. 2009
  • USA ASME InterPACK, Summer Heat Transfer Conference and Energy Sustainability Conference (San Francisco) Jul.  2009- Jul. 2009
  • Korea 2009 International Symposium on Advanced Engineering (ISAE2009) (Busan) Mar.  2009- Mar. 2009
  • Thailand Luckytex Public Co., Ltd. (Thailand) Nov.  2008- Nov. 2008
  • Malaysia 9th International Heat Pipe Symposium (Kuala Lumpur) Nov.  2008- Nov. 2008
  • Korea 2008 International Symposium on Advanced Mechanical Engineering and Power Engineering (Busan) Oct.  2008- Oct. 2008
  • China East China University of Science and Technology, University of Shanghai for Science and Technology, Zhejiang University, Zhejiang Sci-Tech University Mar.  2008- Mar. 2008
  • Canada 2007 ASME-JSME Thermal Engineering Summer Heat Transfer Conference (Vancouver) Jul.  2007- Jul. 2007
  • China 2006 International Symposium on Advanced Mechanical Engineering and Power Engineering (Shanghai) Oct.  2006- Oct. 2006
  • Australia 13th International Heat Transfer Conference (Sydney) Aug.  2006- Aug. 2006
  • France 16th World Hydrogen Energy Conference (Lyon) Jun.  2006- Jun. 2006
  • Korea The 2005 International Symposium on Advanced Mechanical Engineering (Busan) Nov.  2005- Nov. 2005
  • Australia 5th Pacific Symposium on Flow Visualization and Image Processing (Day Dream Island) Sep.  2005- Sep. 2005
  • USA ASME 2005 Summer Heat Transfer Conference (San Francisco) Jul.  2005- Jul. 2005
  • Korea 6th KSME-JSME Thermal and Fluids Engineering Conference (Jeju) Mar.  2005- Mar. 2005
  • Korea The 2003 International Symposium on Advanced Mechanical Engineering (Busan) Nov.  2003- Nov. 2003
  • Bahamas IDA World Congress on Desalination and Water Reuse (Nassau) Sep.  2003- Oct. 2003
  • France 3rd Pacific Symposium on Flow Visualization and Image Processing (Chamonix) Jun.  2003- Jun. 2003
  • USA The 6th ASME-JSME Thermal Engineering Joint Conference (Kohala) Mar.  2003- Mar. 2003

Research Activities

Published Papers

  • Air conditioning system utilizing geothermal energy -report on demonstration experiments at Fukui-
    Niro Nagai
    Refrigeration 92(1071) 15-21 Jan.  2017 Not refereed
  • Study on initiation of localized wetting during film boiling near the MHF point in spray cooling
    Niro Nagai, Haruka Obe
    International Journal of Transport Phenomena 14(4) 307-313 Feb.  2017 Refereed
  • Study on initiation of localized wetting during film boiling near MHF point in spray cooling
    Niro Nagai, Haruka Obe
    Proc. 1st Pacific-Rim Thermal Engineering Conference (PRTEC) USB memory PRTEC-15147 Mar.  2016 Refereed
  • Study on initiation of localized wetting during film boiling near MHF point in spray cooling
    Shunsuke Hashimoto, Niro Nagai
    Proc. 2016 International Symposium on Advanced Mechanical and Power Engineering 218-221 Oct.  2016 Not refereed
  • Heat transfer characteristics during spray cooling of steel plate -influence of oxide film-
    Proc. International Symposium on Advanced Mechanical and Power Engineering 2015 193-197 Nov.  2015 Not refereed
  • Feasibility test of air-conditioning system by using underground heat source by switchable BACH
    Proc. International Symposium on Advanced Mechanical and Power Engineering 2015 188-192 Nov.  2015 Not refereed
  • Performance enhancement and application of bottom-heat BACH
    Proc. International Symposium on Advanced Mechanical and Power Engineering 2015 172-175 Nov.  2015 Not refereed
  • Experimental study on ground source heat pump air-conditioning system
    Proc. International Symposium on Advanced Mechanical and Power Engineering 2015 185-187 Nov.  2015 Not refereed
  • Study on initiation of localized wetting during film boiling near MHF point in spray cooling
    Proc. International Symposium on Advanced Mechanical and Power Engineering 2015 63-66 Nov.  2015 Not refereed
  • Study on initiation conditions of localized wetting during film boiling near MHF point in spray cooling
    Obe, H., Nagai, N.
    Proc. 2014 International Symposium on Advanced Mechanical and Power Engineering 221-223 Nov.  2014 Not refereed
  • Experimental verification of heat pipe BACH for heat recovery from exhaust gas
    Watanabe, S., Nagai, N.
    Proc. 2014 International Symposium on Advanced Mechanical and Power Engineering 224-227 Nov.  2014 Not refereed
  • Heat transfer characteristics during spray cooling of steel plate (influence of surface oxide film)
    Ochiai, R., Nagai, N.
    Proc. 2014 International Symposium on Advanced Mechanical and Power Engineering 228-231 Nov.  2014 Not refereed
  • Visual observation of liquid-solid contact situation on superheated surface cooled by liquid jet or spraying
    Nagai, N., Onishi, H., Nikaido, H., Serizawa, Y.
    Proceedings of the International Heat Transfer Conference 15 (IHTC15) USB Memory IHTC15-9140-(9) Aug.  2014 Refereed
  • Effect of inclination angle onto heat transport characteristics of Bubble-Actuated Circulating Heat pipe (BACH) covering high-temperature region
    Ji, Y.Y., Nagai, N., Takano, K.
    Proceedings of the International Heat Transfer Conference 15 (IHTC15) USB Memory IHTC15-9125-(11) Aug.  2014 Refereed
  • Heating Assist System for Liquid Tank Using Shallow Geothermal Energy via Heat Pipe BACH
    Transactions of JSME, Series B 79(808) 2548-2551 Dec.  2013 Refereed
  • Heat Transport of Bubble-Actuated Circulating Heat Pipe (BACH)
    Shouji TOTTORI, Niro NAGAI
    Anual Report of The Wakasa Wan Energy Research Center Vol.14 p.61 Jan.  2012 Not refereed
  • Study on Snow Melting System around Steel Top of Fire Cistern using Heat Pipe BACH
    Nature and Environment of The Sea of Japan Districts(No.18) pp.75-79 Nov.  2011 Not refereed
  • Comparison between Measurement and Calculation of Snow-Melting System on Road Using Seasonal Energy Storage Through Foundation Piles for Bridge
    Shigenobu Miyamoto, Niro Nagai, Masanori Takeuchi, Michiro Yamazaki, Shinya Yamahata
    JSCE Journal Division G (The Japan Society of Civil Engineers Journal of Environmental Systems and Engineering) 67(1) 42014 Feb.  2011 Refereed
  • Numerical Simulation of Snow Melting using Geothermal Energy Assisted by Heat Storage during Seasons
    Transactions of the Japan Society of Mechanical Engineers 76(767) 1090-1101 Jul.  2010 Refereed
  • Study on Snow-Melting System around Steel Top of Underground Fire Cistern using Heat Pipe
    Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers 27(3) 271-279 Jan.  2010 Refereed
  • Study on a Device for Melting Roof Snow which is Energy Saving and Low Cost
    Nature and Environment of The Sea of Japan Districts(No.15) pp.123-138 Nov.  2008 Not refereed
  • Numerical Simulation of Snow Melting on Pavement Surface with Heat Dissipation Pipe Embedded
    Niro Nagai, Shigenobu Miyamoto, Masaya Nishiwaki, Masanori Takeuchi
    Transactions of the Japan Society of Mechanical Engineers (Series B) 74(739) 640-647 Mar.  2008 Refereed
  • Design of Snow-Melting System on Orthotropic Steel Deck Bridge Using Heat Storage During Seasons Through A Group of Energy Piles
    Shigenobu Miyamoto, Masanori Takeuchi, Niro Nagai, Keiichiro Sugahara
    JSCE Journal Division G (The Japan Society of Civil Engineers Journal of Environmental Systems and Engineering) 64(1) 42302 Feb.  2008 Refereed
  • Snow-melting System and Air-conditioning System with Heat Storage in Underground using Foundation Piles or a Group of Piles
    Journal of the Heat Transfer Society of Japan Vol.46(No.196) 38-41 Jul.  2007 Not refereed
  • Library: Introduction to fireworks
    Journal of the Heat Transfer Society of Japan 46(194) 85-85 Jan.  2007 Not refereed
  • Experimental study of thermal storage during seasons in soil for snow-melting using effect of group of piles
    Snow Management & Construction Technology Center of Fukui Pref.(19) 34-36 Aug.  2006 Not refereed
  • Development on snow-melting system using under ground thermal energy by integration of technology
    Cement & Concrete(712) 18-25 Jun.  2006 Not refereed
  • Library: What Temperature Reveals About the Past and Future of Our Species, Planet, and Universe
    Journal of the Heat Transfer Society of Japan 45(191) 57-57 Apr.  2006 Not refereed
  • Snow-melting system using heat stored around foundation piles of bridge through seasons
    Bridge and Foundation Engineering 40 13-21 Apr.  2006 Not refereed
  • Prof. Masanori Monde and Prof. Yuichi Mitsutake at Saga University Received ASME 2005 Best Paper Award
    Journal of the Heat Transfer Society of Japan 45(190) 70 Jan.  2006 Not refereed
  • Firework - Principle and Large-Size Star-
    Journal of the Heat Transfer Society of Japan 45(193) 71-74 Jan.  2006 Not refereed
  • Two-phase flow modeling on the optimum condition of hydrogen production by alkaline water electrolysis
    Nagai, N.
    Journal of the Hydrogen Energy Systems Society of Japan 30(2) 66-71 Dec.  2005 Refereed
  • Note from the editorial board: chat about water
    N.Nagai
    Journal of the Heat Transfer Society of Japan 44(189) 56-56 Nov.  2005 Not refereed
  • Study on Circulation of Biomass Resources at North Sakai Area in Fukui Prefecture
    Nature and Environment of The Sea of Japan Districts(No.12) pp.61-75 Nov.  2005 Not refereed
  • Poster session 4: heat and mass transfer issues in biotechnology, fundamentals in heat and mass transfer, transport phenomena in multiphase system 1
    N.Nagai
    Journal of the Heat Transfer Society of Japan 44(184) 17-18 Jan.  2005 Not refereed
  • Solar distillation in desert areas
    N.Nagai
    Journal of the Heat Transfer Society of Japan 43(182) 13-17 Sep.  2004 Not refereed
  • High school science education through high school -university collaboration ~effects of the Science Partnership Program~
    Ohkubo, M., Nagai, N., Tsubakiyama, K., Kodaira, T.
    Education of Applied Physics 28(1) 41-44 Jun.  2004 Refereed
  • First experiences and understandings on manufacturing and design -experience school on machining and fabrication-
    N.Nagai
    Journal of National Olympics Memorial Youth Center(3) 199-203 Mar.  2003 Refereed
  • Extension course what is heat and temperature?" in open campus"
    N.Nagai
    Journal of the Heat Transfer Society of Japan 41(171) 44-46 Nov.  2002 Not refereed
  • Suppression effect of various wastes of fabrics on convective heat transfer in enclosure
    Kimura, T., Takeuchi, M., Nagai, N., Noto, K.
    Transactions of the Textile Machinary Society of Japan 53(12) T249-T254 Dec.  2000 Refereed
  • Heat transfer control in enclosure by using rotating plate and stratified fluids
    Kimura, T., Takeuchi, M., Nagai, N., Yoshida, T.
    Transactions of the Japan Society of Mechanical Engineers (Series B) 65(640) 4063-4069 Dec.  1999 Refereed
  • Heat transfer regulation in a rectangular enclosure using rotating plate
    Kimura, T., Takeuchi, M., Nagai, N., Kataoka, Y., Yoshida, T.
    Transactions of the Japan Society of Mechanical Engineers (Series B) 64(628) 4122-4128 Dec.  1998 Refereed
  • Reuse of waste of paper pipe produced textile industry as heat insulating material for structure
    Transactions of the Textile Machinary Society of Japan 51(7) T131-T137 Jul.  1998 Refereed
  • Liquid-Solid Contact Phenomena in Boiling Heat Transfer(Proposal of Concept of Contact-Line Length Density) (in Japanese)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 63(610) 2104-2111 Jun.  1997 Refereed
  • Natural Convection Heat Transfer in a Circular Enclosure (in Japanese)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 63(612) 2803-2808 1997 Refereed
  • Boiling Structure in Quasi-Two-Dimensional Space(High-Heat-Flux Nucleate Boiling under Natural Convection Condition) (in Japanese)
    Transaction of the Japan Society of Mechanical Engineers (Series B) 63(606) 602-608 1997 Refereed
  • Experimental Study of Natural Convection Heat Transfer in Semicircular Enclosure (in Japanese)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 62(602) 3661-3666 1996 Refereed
  • Pool Boiling on a Single-Crystal Sapphire Surface (A Measuring Method of Quantities upon Liquid-Solid Contacts) (in Japanese)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 61(588) 3018-3023 1995 Refereed
  • Solidified-Shell Formation Process during Immersion Process of a Cooled Solid Surface (in Japanese)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 60(580) 4165-4170 1994 Refereed
  • Attempt to Predict Full Boiling Curve of Saturated Pool Boiling (in Japanse)
    Transactions of the Japan Society of Mechanical Engineers (Series B) 58(549) 1490-1497 1992 Refereed
  • Temperature Take-Off Condition of Superconductors Cooled in Liquid Coolant (in Japanese)
    Cryo-Engineering 27(1) 37-42 1992 Refereed

Books etc

  • Boiling -Research and Advances-
    Niro Nagai
    Elsevier Jun.  2017
    978-0-08-101010-5
  • Advanced Measurement in Multiphase Flow
    永井 二郎
    27.Measurement of Contact Angle, 31.Measurement of Heat Flux
    Morikita Publishing Co. Ltd. Mar.  2003

Conference Activities & Talks

  • Wetting initiation near MHF point during spray cooling
    Niro Nagai
    International Workshop on Phase Change and Wetting Phenomena Jun.  2015
  • Visualization of Liquid-Solid Contact Occurrence while Liquid-Jet Cooling and Effects of Surface Oxide Layer on Spray Cooling Characteristics
    永井 二郎, 大西 宏紀, 松尾 太資
    CAMP-ISIJ Sep.  2013
  • Heat Transport Characteristics of Heat Pipe BACH in Top or Bottom Heat Mode for Utilization of Underground Heat Source
    鈴木 恵祐, 塚本 充紀, 永井 二郎
     Jan.  2013
  • Investigation of Snow Melting System around Water Tank for Fire-Protection using Heat Pipe
    永井 二郎, 鈴木 健介, 前川 義孝, 前川 義和
    Mechanical Engineering Congress, 2009 Japan Sep.  2009
  • Study on Operating Mechanism of Bubble-Activated Circulating Heat Pipe (BACH)
    岩本 晃和, 浅野 真臣, 永井 二郎, 大西 東洋司, 新宮 秀夫
    46th National Heat Transfer Symposium of Japan Jun.  2009
  • Development of Snow-Melting System using Geothermal and Solar Energy
    山端 信也, 平濱 泰徳, 永井 二郎, 宮本 重信, 山崎 三知朗
    46th National Heat Transfer Symposium of Japan Jun.  2009
  • Observation of Liquid-Solid Contact Situations when A Liquid Droplet Impacts on a Superheated Surface
    奥野 敬太, 山田 哲也, 永井 二郎
     May  2009
  • Snow-Melting System using Geothermal and Solar Energy ? Experimental Demonstration and Study on Optimal Design Conditions ?
    山端 信也, 永井 二郎, 宮本 重信, 山崎 三知朗
     Mar.  2009
  • State and Matters on JABEE Education Program ? Topic of University of Fukui, Faculty of Engineering, Department of Mechanical Engineering ?
    永井 二郎
     Mar.  2009
  • Study on Surface Wettability on a Superheated Wall and Contact Angle
    永井 二郎
    Mechanical Engineering Congress, 2008 Japan Aug.  2008
  • Effects of Membrane on Efficiency of Alkaline Water Electrolysis under Forced Convection
    永井 二郎, 伊藤 智昭, 山田 哲也
    JSMF Annual Meeting 2008 Aug.  2008
  • Study on Heat Transfer Aspects of Heat Insulating Materials
    王 建軍, 永井 二郎
     Mar.  2008
  • Effects of Membrane on Liquid-Gas Two-Phase Flow in Alkaline Water Electrolysis under Forced Convection
    伊藤 智昭, 伊東 佑輔, 永井 二郎
    JSMF Annual Meeting 2007 Jun.  2007

Awards & Honors

  •  Ministry of Education, Culture, Sports, Science and Technology The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology Prizes for Science and Technology -Public Understanding Promotion Category-Apr. 2007
  •  University of Fukui, Faculty of Engineering The Teacher of the Year PrizeJan. 2005
  •  The Japan Society of Mechanical Engineers JSME Education AwardApr. 2003
  •  Heat Transfer Society of Japan, Hokuriku-Shinetsu Branch HTSJ Hokuriku-Shinetsu Branch Young Engineers AwardMay 2002
  •  Fukui University, Faculty of Engineering The Best Teacher of the Year PrizeDec. 2000
  •  The Japan Society of Mechanical Engineers JSME Young Engineers AwardApr. 1999

Project activity

  • Research on Boiling Heat Transfer
    :Ministry of Education, Culture, Sports, Science and Technology, Japan
    研究期間: Oct.  2000- Aug. 2001  代表者:Niro Nagai
    USA, Unversity of California, Berkeley

Educational Activities

Teaching Experience

  • Nature and Environment of the Sea of Japan Districts
  • Practical Instrumental Analysis
  • Advanced Seminar of Mechanical Engineering I
  • Advanced Seminar of Mechanical Engineering II
  • Heat and Flow
  • Engineering and Society
  • Applied Engineering Thermodynamics
  • Thermodynamics and Fluid Mechanics, Practice II
  • Heat Transfer
  • Applied Thermal System
  • Heat and Flow
  • Thermal and Energy Engineering
  • Nature and Environment of the Sea of Japan Districts
  • Heat and Flow
  • Basic Thermodynamics
  • Introductory Academic Life Seminar
  • Engineering and Society
  • Mechanical Engineering Seminar
  • Basic Engineering Thermodynamics
  • Applied Engineering Thermodynamics
  • Thermodynamics and Fluid Mechanics, Practice II
  • Heat Transfer
  • Advanced Seminar of MechanicalEngineering I
  • Advanced Seminar of MechanicalEngineering II
  • Applied Thermal System
  • Research Seminar in Major Field Ⅱ
  • Thermal and Energy Engineering
  • Nature and Environment of the Sea of Japan Districts
  • Thermal and Energy Engineering
  • Heat and Flow
  • Applied Engineering Thermodynamics
  • Engineering and Society
  • Applied Engineering Thermodynamics
  • Thermodynamics and Fluid Mechanics, Practice II
  • Heat Transfer
  • Advanced Seminar of Mechanical Engineering I
  • Advanced Seminar of Mechanical Engineering II
  • Applied Thermal System