This is Prof. Nao Ninomiya's Home Page.

(but it is in preparation....)

研究紹介

• CCRD news Vol.19-7 (2008)

学術論文

• N. Ninomiya, K. Yamazaki and M. Iigo, “Investigation about the Synchronization Mechanism of Luciola Purvula Fireflies using Video Analysis”, Proc. 3nd Pacific Rim Thermal Eng. Conf. (2024)
• N. Ninomiya, K. Yamazaki, M. Sasaki and M. Iigo, “Glimmer Synchronization of Luciola Purvula Fireflies to External Stimulas”, 21st Int’l Symp. on Application of Laser and Imaging Tech. to Fluid Mech., (2023)
• S. Sah, S. Akutsu, G. Takeda and N. Ninomiya, “PIV Measurement of Wall Jet Produced from Two-Dimensional Inclined Impingement”, The 12th International Symposium on Measurement Techniques for Multiphase Flow, (2023).
• S. Sah, S. Akutsu, G. Takeda and N. Ninomiya, “Effect of Impact Angle on Two-Dimensional Impinging Jet”, The 33rd International Symposium on Transport Phenomena, (2023).
• G. Takeda, N. Ninomiya and S. Akutsu, "Effect of Initial Velocity Distribution on Two-Dimensional Wall Jet of Transition Region Impinging", The 17th Asian Symposium on Flow Visualization, (2023)
• K. Yamazaki, N. Ninomiya, S. Kobayashi and M. Iigo, “The Synchronization of Luciola Parvula Fireflies to the External Stimulus”, The 17th Asian Symposium on Flow Visualization, (2023)
• N. Ninomiya, S. Kobayashi, K. Yamazaki and M. Iigo, “Video Analysis of the Glimmer Synchronization of Luciola Parvula Fireflies”, The 20the International Symposium on Flow Visualization, (2023)
• K. Yamazaki, N. Ninomiya, S. Kobayashi and M. Iigo, “The Synchronization of Luciola Parvula Fireflies to the External Stimulus”, The 17the Asian Symposium on Flow Visualization, (2023)
• G. Takeda, Y. Ito, K. Yamashiro, H. Takahashi, N. Ninomiya, J. Fujikura and S. Akutsu, “Effect of Initial Velocity Distribution and Reynolds Number on Two-Dimensional Wall Jet of Transition Region Impinging”, Journal of Mechanical Science and Technology, Vol. 37, No. 11, (2023), IF=1.810
• D. Kudo, M. Yasugi, N. Ninomiya, S. Suyama and H. Yamamoto, “Reduction of Converging Distance Change in Aquatic Display Formed with Aerial Imaging by Retro-Reflection in Conjugated Optical Structure”, Optics Express, Vol. 31, No. 7, (2023), IF=3.833
• Masaki Yasugi, Mayu Adachi, Kosuke Inoue, Nao Ninomiya, Shiro Suyama, and Hirotsugu Yamamoto, “Development of Aerial Interface by Integrating Omnidirectional Aerial Display, Motion Tracking and VR Space Construction”, Journal of Robotics and Mechatronics, Vol. 34, No. 5, Rb34-5-12251, (2022), IF=0.97
• 4. S. Kobayashi, N. Ninomiya, M. Iigo and R. Tada, “Video Analysis about the Glimmer Synchronization of Luciola Parvula Fireflies”, The 13the Pacific Symposium on Flow Visualization and Image Processing, (2022)
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "In-vivo PIV Measurement of the Blood Flow in the Heart and Main Vein of Medaka Embryo", Proc. 20th Int'l Symp. on Appl. Laser and Imaging Tech. Fluid Mech., (2022)
• G. Takeda, Y. Ito, K. Yamashiro, H. Takahashi, N. Ninomiya, Y. Uranaka and J. Fujikura, “Instability of Wall Jet Produced by Two-Dimensional Inclined Impinging Jet”, Proc. 7th Int'l Conf. on Jets, Wakes and Separated Flows, D12 (2022)
• K. Inoue, M. Yasugi, H. Yamamoto and N. Ninomiya, "Improvement of the distortion of aerial displays and proposal for utilizing distortion to emulate three-dimensional aerial image", Optical Review (accepted)
• 二宮　尚, 「メダカ胚の心臓内血流のPIV計測」, 日本機械学会誌, Vol. 124, No. 1234, p. 22 (2021).
• G. Takeda, Y. Ito, K. Yamashiro, H. Takahashi, H. Uoya and N. Ninomiya, “Effect of Initial Velocity Distributions in Transition Region Impingement of Slot Jet”, Proc. 12th Int’l Conf. on Zinc & Zinc Alloy Coated Steel (GALVATECH) (2021)
• K. Inoue, M. Yasugi, N. Ninomiya and H. Yamamoto, “Deforming Aerial Image by Use of Deflection of Beam Splitter in See-Through AIRR”, Proc. 10th Laser Display and Lighting Conf. (2021)
• D. Kudo, K. Chiba, M. Yasugi, N. Ninomiya and H. Yamamoto, “Influence of Diverging Angle of the Light Source on the Image Sport Formed in Water by Use of Retro-Reflection”, Proc. 10th Laser Display and Lighting Conf. (2021)
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "PIV Measurement of the Blood Flow in the Heart and Main Vein of Medaka Embryo", Proc. 19th Int’l Symp. on Flow Visualization (2020)
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "In-vivo PIV Measurement of the Blood Flow in the Heart and Main Vein of Medaka Embryo", Proc. 20th Int'l Symp. on Appl. Laser Imaging Tech. Fluid Mech. (2020).
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "In-vivo PIV Measurement of the Blood Flow in the Heart of Medaka Embryo", Proc. 2nd Pacific Rim Thermal Eng. Conf. (2019)
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "In-vivo PIV Measurement of the Blood Flow of Medaka Embryo", Proc. 15th Asian Symp. on Visualization (2019)
• D.-H. Doh, K.-W. Chun, N. Ninomiya and B.-C. Choi, “A Swirl Static Mixer with Diluent for Reducing the Flammable Extent of Venting Gases in a Low-Flashpoint Fueled Vessel”, Journal of Mechanical Science and Technology, Vol. 33, No. 7, pp. 3311-3321 (2019)
• N. Ninomiya, M. Matsuda, N. Araki and N. Yano, "PIV Measurement of the Blood Flow in the Heart of Medaka Embryo", Proc. ASME-JSME-KSME Joint Fluid Eng. Conf. (2019)
• D. Kong, G. Cho, N. Ninomiya, S. Kang and D.-H. Doh, “Investigation on Energy Shares and Flow Structures of the Mixing Flows using 3D-POD Analyses”, Proc. ASME-JSME-KSME Joint Fluid Eng. Conf. (2019)
• N. Ninomiya, M. Matsuda and N. Araki, "In-vivo PIV Measurement of the Blood Flow in the Heart of Medaka Embryo", Proc. 13th Int'l Symp. on Particle Image Velocimetry. (2019)
• 窪田敏和、鈴木智大、金野尚武、二宮　尚, 「シイタケの子実体形成過程における水分経路の蛍光色素による可視化」, 日本きのこ学会誌, Vol. 26, No.4, pp. 164-168 (2019)
• N. Ninomiya, Y. Tanaka, S. Sotome, M. Eda and A. Watanabe, "3-D Measurement of 2-D Jet by 3-D 3-C SPIV", Journal of Visualization, Vol. 22, Is. 2 pp. 305-312 (2018) [PDF]
• N. Ninomiya, S. Tsukada, M. Ikeda and D.-H. Doh, "Interaction between two Falling Droplets in the Liquid-Liquid Two Phase Flow", Journal of Visualization, Vol. 21, Is. 6, pp. 1009-1016 (2018) [PDF]
• N. Ninomiya, M. Nishimura, I. Miyauichi and D. Barada, "3-D Velocity Measurement of Particles Moving with Different Speeds using Digital Holography", Proc. 19th Int'l Symp. on Appl. Laser and Imaging Tech. Fluid Mech., (2018)
• N. Ninomiya, M. Matsuda, T. Nako and N. Araki, "PIV Measurement of the Blood Flow of Medaka Embryo", Proc. 18th Int’l Pacific Symp. on Flow Visualization, (2018) DOI: 10.3929/ethz-b-000279167
• Y. Tanaka and N. Ninomiya, "Accuracy Improvement of Turbulence Measurement by 3-D 3-C PIV", Proc. 11th Pacific Symp. on Flow Visualization and Image Processing, (2017)
• D. Kato and N. Ninomiya, "Collision Behavior of a Water Drop against the Solid Surface", Proc. 9th JSME-KSME Thermal and Fluids Engineering Conference, (2017)
• N. Ninomiya, "3-D Velocity Measurement of Particles by a Single Camera using Digital Holography", Proc. 12th Int'l Symp. on Particle Image Velocimetry, keynote, (2017)
• T. Kindaichi and N. Ninomiya, "Three-Dimension Velocity Measurement of Particles by Doppler Phase-Shifting Holography", Proc. 4th Int'l Forum on Heat Transfer (IFHT2016), (2016)
• N. Ninomiya, Y. Kubo, D. Barada and T. Kiire, "Three-Dimensional Velocity Measurement by a Single Camera using Doppler Phase-Shifting Holography", Measurement, Science and Technology, Vol. 27, No. 10, 104004 (2016) [PDF]
• N. Ninomiya, "Three-Dimensional Velocity Measurement by a Single Camera Observation using Digital Holography", Proc. 17th Int'l Symp. on Flow Visualization, keynote, (2016)
• N. Ninomiya, T. Kindaichi, T. Ouchi, and D. Barada, "3-D Velocity Measurement of Small Particles by Doppler Phase-Shifting Holography", Proc. 17 th Int'l Symp. on Flow Visualization, (2016)
• N. Ninomiya, T. Kindaichi, T. Ouchi, and D. Barada, "3-D Velocity Measurement of Dispersed Objects by Doppler Phase-Shifting Holography", Proc. 1st Pacific Rim Thermal Eng. Conf., (2016)
• D. Kono and N. Ninomiya, "Turbulence Measurement of a 2-D Jet by High Resolution 3-D 3-C PIV", Proc. 9th Int'l Symp. on Measurement Techniques for Multiphase Flows, (2015)
• N. Ninomiya, Y. Kubo, D. Barada and T. Kiire, "Three-Dimensional Velocity Measurement by a Single Camera using Doppler Phase-Shifting Holography", Proc. 11th Int'l Symp. on PIV, (2015)
• N. Ninomiya, Y. Kubo, D. Barada and T. Kiire, "Direct Measurement of Longitudinal Velocity by Doppler Phase-Shifting Holography", Journal of Visualization, Vol. 18, No. 3, pp. 409-412 (2015) [PDF]
• N. Ninomiya, "Three-Dimensional Velocity Measurement by a Doppler Phase Shifting Holography", Proc. of 2014 Korea-Japan Joint Seminar on Measurements for Multi-Scales and Multi-Physics, pp. 22-28 (2014)
• N. Ninomiya, Y. Kubo, D. Barada and T. Kiire, "Direct Measurement of Three-Dimensional Velocity by a Doppler-Phase-Shifting Holography", Proc. 17th Int'l Symp. on Appl. Laser Techniques to Fluid Mechanics, (2014)
• N. Ninomiya, Y. Kubo, D. Barada and T. Kiire, "Toward the Development of the Single Camera Three-Dimensional PTV by using a Doppler-Phase-Shifting Holography", Proc. 16th Int'l Symp. on Flow Visualization, (2014)
• 西尾　茂, 二宮　尚, 「PIV計測の原理と応用」, 日本ガスタービン学会誌, Vol. 41, No. 5, pp. 380-386 (2013)
• N. Ninomiya, S. Tsukada and M. Ikeda, "The Interaction between Two Droplets and the Interaction between Two Solid Spheres", Proc. 10th Int'l Symp. on PIV, (2013)
• N. Ninomiya, S. Tsukada, T. Mori and K. Sato, "PIV Measurement of the Drafting-Kissing-Tumbling Motions of Two Falling Droplets", Proc. 8th KSME-JSME Thermal and Fluids Engineering Conference, (2012)
• N. Ninomiya "Interaction between Two Falling Droplets in the Liquid-Liquid Two Phase Flows", Proc. of 2011 Korea-Japan Joint Seminar on Measurements for Multi-Scales and Multi-Physics, pp. 167-171 (2011)
• N. Ninomiya and K. Iwamoto, "PIV Measurement of a Droplet Impact on a Thin Fluid Layer", AIP Conf. Proc., Vol. 1428, pp. 11-17 (2011)
• M. Eda, S. Buseki and N. Ninomiya, "Turbulence Measurement of a 2-D Jet by 3-D 3-C PIV", Proc. 9th Int'l Symp. on Particle Image Velocimetry, (2011)
• K, Iwamoto and N. Ninomiya, "Flow Visualization of a Droplet Impact on a Thin Fluid Layer", Proc. 11th Asian Symposium on Visualization, (2011)
• N. Ninomiya and T. Mori, "Interaction between Two Falling Droplets in the Liquid-Liquid Two Phase Flow", Proc. 8th ASME-JSME Thermal Engineering Joint Conference, AJTEC2011-44406 (2011)
• N. Ninomiya, S. Busekii and M. Eda, "3-D Measurement of a Plane Jet by 3-D 3-C PIV", Proc. 14th Int'l Symp. on Flow Visualization, (2010)
• N. Ninomiya, N. Yuzawa and S. Buseki, "3-D Measurement of 2-D Jet by 3-D 3-C PIV", Proc. 8th Int'l Symp. on Particle Image Velocimetry, PIV09-0116 (2009)
• 二宮　尚, 須藤路久, 「ビリヤードのトライボロジー」, 日本トライボロジー学会誌「トライボロジスト」, Vol. 54, No. 7, pp. 458-463 (2009)
• N. Ninomiya and Y. Takanashi, "Measurement of the Interaction between Two Falling Droplets", Journal of Physics: Conference Series, Vol. 147, The 6th Int'l Symp. on Measurement Techniques for Multiphase Flows, 012051, (2009)
• N. Ninomiya, Y. Takanashi and Y. Inaba, "PIV Measurement about the Interaction between Two Falling Droplets", Proc. 7th JSME-KSME Thermal and Fluids Engineering Conference, E131, (2008)
• N. Ninomiya, Y. Takanashi and Y. Inaba, "Flow Field Measurement around and inside of the Falling Droplet near the Wall", Proc. 13th Int'l Symp. on Flow Visualization, No. 265, (2008)
• N. Ninomiya and Y. Takanashi, "PIV Measurement of the Falling Droplet near the Wall", Proc. 7th Int'l Symp. on Particle Image Velocimetry, (2007)
• N. Ninomiya and Y. Takanashi, "PIV Measurement of the Flow around and inside of Two Falling Droplets", Proc. 6th Pacific Symp. on Flow Visualization and Image Processing, A7-1 (2007)
• N. Ninomiya and W. J. A. Dahm, "Comparison of differential-diffusion effects in flamelet models for combustion with normal and oxygen-enriched air", Proc. 5th US Combustion Meeting, WSS/CI, B34 (2007)
• 二宮　尚, 「乱流統計量の分布(Turbulence Statistics in Free Jet)」, 日本機械学会誌, Vol. 110, No. 1059, pp. 104-107 (2007)
• N. Ninomiya, A. Watanabe and N. Yuzawa, "Three-Dimensional Measurement of Two-Dimensional Jet by 3-D 3-C PIV", Proc. 12th Int'l Symp. on Flow Visualization, #124 (2006)
• N. Ninomiya and K. Yasuda, "Visualization and PIV Measurement of the Flow around and inside of a Falling Droplet", Journal of Visualization, Vol. 9, No. 3, pp. 257-264 (2006)
• K. Yasuda, N. Ninomiya, H. Sugiyama and D. Hitomi, "Simultaneous PIV Measurement of the Flow around and inside of a Falling Droplet", Proc. 6th Int'l Symp. on Particle Image Velocimetry, S02-5, (2005)
• A. Watanabe, N. Ninomiya, H. Sugiyama and D. Hitomi, "Development of 3-D 3-C PIV Considering Scheimpflug Condition", Proc. 6th Int'l Symp. on Particle Image Velocimetry, PS1-6, (2005)
• T. Anzai, N. Ninomiya, H. Sugiyama and D. Hitomi, "Turbulence Measurement in an Axisymmetric jet by DP Matching and Spark Tracing Method", Proc. 6th KSME-JSME Thermal and Fluids Eng. Conf. (2005)
• 二宮　尚, 秋山光庸, 杉山　均, 「高速度カメラとDPマッチング法を用いた高速気流の三次元計測」, 可視化情報学会論文集, Vol. 24, No. 12, pp. 70-75 (2004)
• 二宮　尚, 「自由噴流の乱流構造」, 日本流体力学会誌「ながれ」, 第23巻, 第5号, pp. 355-363 (2004) [PDF]
• N. Ninomiya, M. Akiyama, H. Sugiyama and A. Katakami, "Visualization of High Speed Air Flow by the Spark Tracing Method with Radiant Trail", Journal of Visualization, Vol. 7, No. 4, p. 269 (2004)
• H. Yokoyama, N. Ninomiya and H. Sugiyama, "Development of 3-Dimensional 3-Component PIV Considering Scheimpflug Condition", Thermal Science and Engineering, Vol. 12, No. 4, pp. 73-74 (2004)
• Y. Tsuzuki, M. Akiyama, N. Ninomiya, H. Sugiyama, I. Urai and Y. Usui, "Heat Transfer Analysis about Heating-Cooling Truck Container", Thermal Science and Engineering, Vol. 10, No. 4, pp. 51-52 (2002)
• M. Akiyama, K. Takato, T. Tsutsui, H. Sugiyama and N. Ninomiya, "Flow Around Vibrating Elastic Plates", Proc. of the 6th Asian Symposium on Visualization, pp. 79-81 (2001)
• N. Ninomiya, M. Akiyama and H. Sugiyama, "Three-Dimensional Measurement of High Speed Air Flow with Spark Tracing Method", CD Rom Proceedings of The Millennium 9th Int'l Symp. on Flow Visualization, No. 356 (2000)
• 二宮　尚, 秋山光庸, 杉山　均, 「三次元温度速度同時計測のためのLIF感温粒子」, 日本機械学会論文集B編, 第66巻, 第646号, pp. 1521-1526 (2000)
• N. Ninomiya, M. Akiyama and H. Sugiyama, "Temperature Sensitive Particles for the 3-D Simultaneous Measurement of Velocity and Temperature", Turbulence and Shear Flow Phenomena - 1, Ed. Banerjee, Begell House, pp.1065-1070 (1999)
• N. Ninomiya, M. Akiyama and H. Sugiyama, "Development of Temperature Sensitive Particles for Three-Dimensional Measurement of Velocity and Temperature", Proc. 11th Int'l Heat Transfer Conf., Vol. 4, pp. 143-147 (1998)
• 黄　凱, 秋山光庸, 二宮　尚, 「密閉空間内非灰色ガスに関する自然対流と輻射の相互作用」, 可視化情報学会誌, Vol. 17, No. 67, pp. 49-55 (1997)
• L. Zhang, M. Akiyama, H. Sugiyama and N. Ninomiya, "Application of Structured Artificial Neural Networks to Computational Fluid Dynamical Problems", 日本ファジィ学会誌, Vol. 9, No. 5, pp. 728-736 (1997)
• L. Zhang, M. Akiyama, H. Sugiyama and N. Ninomiya, "Application of Neural Network to CFD Problem", Proc. 20th Int'l Conf. on Computers and Industrial Engineering, pp. 765-768 (1996)
• 二宮　尚, 秋山光庸, 杉山　均, 「三次元画像処理流速計による複雑形状流路内流れの測定」, 可視化情報学会誌, Vol. 15, No. 59, pp. 47-52 (1995)
• 二宮　尚, 笠木伸英, 「軸対称自由噴流における乱流応力の収支」, 日本機械学会論文集B編, 第60巻, 第570号, pp. 388-394 (1994)
• N. Ninomiya and N. Kasagi, "Measurement of the Reynolds Stress Budgets in an Axisymmetric Free Jet with the Aid of Three-Dimensional Particle Tracking Velocimetry", Proc. 9th Symp. on Turbulent Shear Flows, pp. 6.1.1-6.1.6 (1993)
• 二宮　尚, 笠木伸英, 「軸対称自由噴流の自己保存領域における乱流統計量」, 日本機械学会論文集B編, 第59巻, 第561号, pp. 1532-1538, (1993)
• H. Sugiyama, M. Akiyama, K. Saitoh, M. Hirata and N. Ninomiya, "Numerical Analysis of Three Dimensional Flow in an Elliptical Duct by Reynolds Stress Model and Boundary-Fitted Coordinate System", Computational Fluid Dynamics J., Vol. 1, No. 4, pp. 429-442 (1993)
• 杉山　均, 秋山光庸, 斉藤健一, 平田　賢, 二宮　尚, 「だ円断面管路内の助走区間発達乱流解析」, 日本機械学会論文集B編, 第58巻, 第554号, pp. 2995-3002 (1992)
• 杉山　均, 秋山光庸, 久保真治, 平田　賢, 二宮　尚, 「代数応力モデルの壁近傍への拡張」, 日本機械学会論文集B編, 第58巻, 第550号, pp. 1695-1701 (1992)
• 杉山　均, 秋山光庸, 八鍬喜規, 平田　賢, 二宮　尚, 「湾曲風洞流路における非等方性乱流の実験解析」, 日本機械学会論文集B編, 第58巻, 第550号, pp. 1753-1760 (1992)
• 杉山　均, 秋山光庸, 平田　賢, 上野智志, 二宮　尚, 「正三角形断面管路内助走区間発達乱流場の再配分化現象解析」, 日本機械学会論文集B編, 第58巻, 第546号, pp. 371-378 (1992)
• M. Akiyama, H. Sugiyama, N. Ninomiya and A. L. Schmid, "Numerical Analysis and Visualization of Air Ventilation Systems", Proc. 6th Int'l Symp. on Flow Visualization, pp. 463-468 (1992)
• N. Kasagi, N. Ninomiya and M. Hirata, "Three-Dimensional Velocity Measurement in a Turbulent Jet by Digital Image Processing", Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics 1988, Eds. R. K. Shah, E. N. Ganic and K. T. Yang, Elsevier, pp. 1502-1509 (1988)
• 平田　賢, 笠木伸英, 松野好洋, 黒田明慈, 二宮　尚, 「二空間モデルによる二成分二相スターリング機関の性能予測」, 日本機械学会論文集B編, 第54巻, 第500号, pp. 1014-1023 (1988)

著書

• 伝熱工学資料（改訂第5版）, Ⅳ.測定編, 第2章「測定の不確かさ」, 日本機械学会（分担執筆）, (2009.5)
• PIVハンドブック（改訂2版）, 可視化情報学会編（委員長：榊原　潤、副委員長：二宮　尚）, 森北出版, (2018.5)
• 流体計測法（改訂2版）, 応用編「2.3.3 ドップラー位相シフトホログラフィ」, 日本機械学会（分担執筆）, (2019出版予定)

特許

• 二宮　尚, 「流体の三次元温度・速度同時計測方法」, 特願2002-345282, 特開2004-177312
• 二宮　尚, 他４名,「ガスワイピングノズル」, 特願2018-101854

賞罰

• The JOV Award, 可視化情報学会, 2007/7/24.
• 功労賞, 可視化情報学会, 2009/7/21.
• 貢献表彰, 日本機械学会熱工学部門, 2009/11/7.
• フェロー, 日本機械学会, 2019/2/12.
• 論文賞, 可視化情報学会, 2021/8/5.
• 学長表彰, 宇都宮大学, 2022/11/9.
• 功労表彰, 可視化情報学会, 2023/5/12.

国際共同研究

• Prof. Werner J. A. Dahm
  Head, Laboratory for Turbulence & Combustion (LTC)
  Department of Aerospace Engineering
  The University of Michigan, USA
• Prof. Deog-Hee Doh
  President of Ocean Academy
  Div. of Mech. Eng.
  Korea Maritime & Ocean University, Korea