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Masahiro Takei
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Proceedings Papers

In Situ Local Void Fraction Measurement in the Vertical Air-Gas Two-Phase Flow by the Combination of Multiple Current-Voltage (MCV) and Plural Long Short-Term Memory Lasso (MCV-pLSTM-L)

Daisuke Saito, Yosephus Ardean Kurnianto Prayitno, Prima Asmara Sejati, Masahiro Takei
Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A001, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-88764
https://doi.org/10.1115/ICONE29-88764
View Paper titled, In Situ Local Void Fraction Measurement in the Vertical Air-Gas Two-Phase Flow by the Combination of Multiple Current-Voltage (MCV) and Plural Long Short-Term Memory Lasso (MCV-pLSTM-L)
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Topics: Porosity, Two-phase flow
Proceedings Papers

Flow Image Compression Using Wavelets

Hui Li, Yan Lu, Masahiro Takei, Mitsuaki Ochi, Yoshifuru Saito, Kiyoshi Horii
Proc. ASME. IMECE99, Fluids Engineering, 33-38, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1212
https://doi.org/10.1115/IMECE1999-1212
View Paper titled, Flow Image Compression Using Wavelets
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Topics: Compression, Flow (Dynamics), Wavelets, Turbulence, Image processing, Storage
Proceedings Papers

Structure Analysis of a Turbulent Jet by Means of Multiresolution Fluctuating Velocity Decomposition

Hui Li, Masahiro Takei, Mitsuaki Ochi, Yoshifuru Saito, Kiyoshi Horii
Proc. ASME. IMECE99, Fluids Engineering, 27-32, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1211
https://doi.org/10.1115/IMECE1999-1211
View Paper titled, Structure Analysis of a Turbulent Jet by Means of Multiresolution Fluctuating Velocity Decomposition
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Topics: Turbulence, Dimensions, Eddies (Fluid dynamics), Flow (Dynamics), Shear (Mechanics), Wavelets
Proceedings Papers

Application of Wavelet Packet to Particle Image Velocimetry Technique

Hui Li, Masahiro Takei, Yoshifuru Saito, Kiyoshi Horii
Proc. ASME. IMECE2000, Fluids Engineering, 393-398, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2090
https://doi.org/10.1115/IMECE2000-2090
View Paper titled, Application of Wavelet Packet to Particle Image Velocimetry Technique
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Topics: Particulate matter, Wavelets, Compression, Resolution (Optics), Errors, Flow (Dynamics), Reliability
Proceedings Papers

Development of Liquid-Particle Image Reconstruction Method in Centrifugal Field by Linear Sensor Wireless Electrical Resistance Tomography (LS-WERT)

Kota Kimura, Yosephus Ardean Kurnianto Prayitno, Prima Asmara Sejati, Tong Zhao, Yoshiyuki Iso, Masahiro Takei
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A014, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-63487
https://doi.org/10.1115/ICONE28-63487
View Paper titled, Development of Liquid-Particle Image Reconstruction Method in Centrifugal Field by Linear Sensor Wireless Electrical Resistance Tomography (LS-WERT)
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Topics: Artificial neural networks, Discrete element methods, Electrical resistance, Extended irreversible thermodynamics, Image reconstruction, Particulate matter, Sensors
Proceedings Papers

Relationship Between Void Fraction and Electrical Characteristics in Gas-Liquid Two Phase Flow

Yuya Takakura, MinHo Jeon, MinJae Do, Daisuke Kawashima, Sohei Takamiya, Masahiro Takei
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A064, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81944
https://doi.org/10.1115/ICONE26-81944
View Paper titled, Relationship Between Void Fraction and Electrical Characteristics in Gas-Liquid Two Phase Flow
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Topics: Porosity, Two-phase flow, Water, Temperature, Calibration, Fluids, Electrical properties, Electrodes, Separation (Technology)
Proceedings Papers

Development of Wireless Tomography System to Measure Solid-Liquid Flow in Rotating Body

Yuya Atagi, Yuya Akimoto, Fumiya Nagae, Kazuya Okawa, Yoshiyuki Iso, Ryosuke Ikeda, Yuuki Matsumi, Masahiro Takei
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A027, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66934
https://doi.org/10.1115/ICONE25-66934
View Paper titled, Development of Wireless Tomography System to Measure Solid-Liquid Flow in Rotating Body
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Topics: Flow (Dynamics), Rotating bodies, Two-phase flow, Particulate matter, Cables, Electrical conductivity, Machinery, Resolution (Optics), Sensors, Separation (Technology)
Proceedings Papers

Relationship Between Particles Volume Fraction Distribution and Electrical Properties in Rotational Liquid

Yuya Akimoto, Fumiya Nagae, Kazuya Okawa, Yoshiyuki Iso, Noriaki Ichijo, Ryousuke Ikeda, Masahiro Takei
Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A060, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60789
https://doi.org/10.1115/ICONE24-60789
View Paper titled, Relationship Between Particles Volume Fraction Distribution and Electrical Properties in Rotational Liquid
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Topics: Electrical properties, Particulate matter, Electrical resistance, Sensors, Electrodes, Slurries, Sodium, Electrical conductivity, Gravity (Force), Thermal conductivity
Proceedings Papers

Electrical Capacitance Tomography Based Sorting Technique for Wasted Plastics

Yusuke Hirose, Kazuaki Hata, Sapkota Achyut, Masahiro Takei
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT16A008, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-16728
https://doi.org/10.1115/AJKFluids2015-16728
View Paper titled, Electrical Capacitance Tomography Based Sorting Technique for Wasted Plastics
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Topics: Capacitance, Plastics, Electrical properties, Temperature, Temperature distribution, Electrodes, Cooling, Sensors
Proceedings Papers

Noninvasive Measurement of Temperature Distribution in a Pipe by Using Electrical Capacitance Tomography

Yusuke Hirose, Kristian Basario, Tong Zhao, Masahiro Takei
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A001, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30004
https://doi.org/10.1115/ICONE22-30004
View Paper titled, Noninvasive Measurement of Temperature Distribution in a Pipe by Using Electrical Capacitance Tomography
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Topics: Capacitance, Pipes, Temperature measurement, Temperature distribution, Electrical properties, Electrodes, Melting, Temperature, Water, Heating
Proceedings Papers

Investigation of Transition Boundary and Nature of Pulsating Flow in the Trickle Bed Reactors by Electrical Resistance Tomography

Takeshi Eda, Achyut Sapkota, Jun Haruta, Masayuki Nishio, Masahiro Takei
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A028, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16149
https://doi.org/10.1115/ICONE21-16149
View Paper titled, Investigation of Transition Boundary and Nature of Pulsating Flow in the Trickle Bed Reactors by Electrical Resistance Tomography
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Topics: Electrical resistance, Pulsatile flow, Flow (Dynamics), Particulate matter, Water, Chemical engineering, Contamination, Electrical conductivity, Electrodes, Electromagnetic induction
Proceedings Papers

Application Process Tomography to Measure Particle Migration in Microchannel

Nur Tantiyani Ali Othman, Masahiro Takei, Hiromichi Obara
Proc. ASME. ICNMM2013, ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels, V001T11A004, June 16–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2013-73129
https://doi.org/10.1115/ICNMM2013-73129
View Paper titled, Application Process Tomography to Measure Particle Migration in Microchannel
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Topics: Microchannels, Particulate matter, Extended irreversible thermodynamics, Biomedicine, Electrodes, Fluid dynamics, Density, Electrical conductivity, Electrical properties, Imaging
Proceedings Papers

Investigation of Liquid Dispersion in the Packed-Bed by Electrical Resistance Tomography

Takeshi Eda, Achyut Sapkota, Masahiro Takei
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 447-450, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54841
https://doi.org/10.1115/ICONE20-POWER2012-54841
View Paper titled, Investigation of Liquid Dispersion in the Packed-Bed by Electrical Resistance Tomography
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Topics: Electrical resistance, Water, Flow (Dynamics), Contamination, Particulate matter, Porous materials, Radioactive wastes
Proceedings Papers

Cross-Sectional Measurement of Micro Particles Volume Fraction in a Microchannel by Using Capacitance Tomography Sensing

Nur Tantiyani Ali Othman, Hiromichi Obara, Je-Eun Choi, Masahiro Takei
Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 769-776, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2012-73057
https://doi.org/10.1115/ICNMM2012-73057
View Paper titled, Cross-Sectional Measurement of Micro Particles Volume Fraction in a Microchannel by Using Capacitance Tomography Sensing
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Topics: Capacitance, Microchannels, Microparticles, Particulate matter, Electrodes, Equilibrium (Physics), Fluids, Lift (Fluid dynamics), Water
Proceedings Papers

A Hybrid PTV Using an Affine Transformation

Deog Hee Doh, Gyung Rae Cho, Chang Jae Lee, Je-Eun Choi, Masahiro Takei
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora, 63-65, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-31008
https://doi.org/10.1115/AJK2011-31008
View Paper titled, A Hybrid PTV Using an Affine Transformation
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Topics: Algorithms, Flow (Dynamics), Interpolation, Particulate matter, Vortices, Wakes
Proceedings Papers

3D Tomographic Transition of Particle Distribution in Microchannel

Je-Eun Choi, Masahiro Takei
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 4007-4012, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-35007
https://doi.org/10.1115/AJK2011-35007
View Paper titled, 3D Tomographic Transition of Particle Distribution in Microchannel
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Topics: Microchannels, Particulate matter, Water, Diffusion (Physics), Flow (Dynamics), Spacetime, Two-phase flow
Proceedings Papers

Electrical Tomography Sensing and Dielectrophoresis in Microchannel for 3D Particle Mixing

Nur Tantiyani Ali Othman, Je-Eun Choi, Masahiro Takei
Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 211-217, June 19–22, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2011-58232
https://doi.org/10.1115/ICNMM2011-58232
View Paper titled, Electrical Tomography Sensing and Dielectrophoresis in Microchannel for 3D Particle Mixing
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Topics: Dielectrophoresis, Microchannels, Particulate matter, Electric fields, Electrodes, Capacitance, Cross section (Physics), Water
Proceedings Papers

Particle Behaviors Under Acceleration Condition in Solid-Air Two Phase Flow

Tong Zhao, Masahiro Takei
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 2, 923-928, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-30347
https://doi.org/10.1115/ICONE18-30347
View Paper titled, Particle Behaviors Under Acceleration Condition in Solid-Air Two Phase Flow
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Topics: Particulate matter, Two-phase flow, Computational fluid dynamics, Discrete element methods, Particle size, Simulation models
Proceedings Papers

Numerical Investigation of Laminar Flow and Heat Transfer in Micro-Cylinder-Groups

Ning Guan, Zhigang Liu, Masahiro Takei, Chengwu Zhang
Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 645-654, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30423
https://doi.org/10.1115/FEDSM-ICNMM2010-30423
View Paper titled, Numerical Investigation of Laminar Flow and Heat Transfer in Micro-Cylinder-Groups
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Topics: Cylinders, Heat transfer, Laminar flow, Vortices, Flow (Dynamics), Computer simulation, Pressure, Water, Boundary layers, Finite volume methods
Proceedings Papers

2D Measurement and Simulation of Microparticle Cross-Sectional Distribution by Micro Process Tomography

Je-Eun Choi, Tong Zhao, Masahiro Takei
Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 1747-1753, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-31063
https://doi.org/10.1115/FEDSM-ICNMM2010-31063
View Paper titled, 2D Measurement and Simulation of Microparticle Cross-Sectional Distribution by Micro Process Tomography
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Topics: Capacitance, Electrodes, Fluid dynamics, Microchannels, Microparticles, Particulate matter, Simulation, Two-phase flow, Water