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Keizo Watanabe
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Proceedings Papers

Coalescence of Droplets of an Ink Jet

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Keizo Watanabe, Feng Che, Masayuki Mutoh
Proc. ASME. IMECE97, Fluids Engineering, 179-184, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0771
https://doi.org/10.1115/IMECE1997-0771
View Paper titled, Coalescence of Droplets of an Ink Jet
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Topics: Drops, Inks, Computer simulation, Density, Equations of motion, Microscopes, Nozzles, Stability, Surface tension
Proceedings Papers

Drag Reduction of Polymer Solutions in a Pipe With a Highly Water-Repellent Wall

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Keizo Watanabe, Hiroshi Udagawa
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 1-6, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1160
https://doi.org/10.1115/IMECE1999-1160
View Paper titled, Drag Reduction of Polymer Solutions in a Pipe With a Highly Water-Repellent Wall
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Topics: Drag reduction, Pipes, Polymer solutions, Water repellents, Water, Fluids, Laminar flow, Pipelines, Pressure drop, Surfactants
Proceedings Papers

Drag Reduction of Surfactant Solutions for an Enclosed Rotating Disk

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Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 15-19, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1162
https://doi.org/10.1115/IMECE1999-1162
View Paper titled, Drag Reduction of Surfactant Solutions for an Enclosed Rotating Disk
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Topics: Drag reduction, Rotating disks, Surfactants, Temperature, Disks, Pipe flow, Reynolds number, Stators, Torque, Torque measurement
Proceedings Papers

Drag Reduction of the Flow Past a Circular Cylinder in Surfactant Solution

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Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 85-90, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24912
https://doi.org/10.1115/IMECE2001/FED-24912
View Paper titled, Drag Reduction of the Flow Past a Circular Cylinder in Surfactant Solution
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Topics: Circular cylinders, Drag reduction, Flow (Dynamics), Surfactants, Water, Pressure, Separation (Technology), Drag (Fluid dynamics), Reynolds number, Sodium
Proceedings Papers

Flow Characteristics of a Rotating Disk in Surfactant Solutions

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Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2000, Rheology and Fluid Mechanics of Nonlinear Materials, 41-47, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2706
https://doi.org/10.1115/IMECE2000-2706
View Paper titled, Flow Characteristics of a Rotating Disk in Surfactant Solutions
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Topics: Flow (Dynamics), Rotating disks, Surfactants, Boundary layers, Integral equations, Momentum, Central heating, Cooling systems, Disks, Drag (Fluid dynamics)
Proceedings Papers

Drag Reduction by Culture Solutions of Dry Malted Rice

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Keizo Watanabe, Satoshi Ogata
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 75-79, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-10421
https://doi.org/10.1115/IMECE2009-10421
View Paper titled, Drag Reduction by Culture Solutions of Dry Malted Rice
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Topics: Drag reduction, Reynolds number, Biopolymers, Drag (Fluid dynamics), Pipe flow, Turbulence, Water
Proceedings Papers

Flow Characteristics of Dilute Polymer Solutions in Micro Tubes

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Keizo Watanabe, Satoshi Ogata, Munehiko Hirao
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 241-246, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37033
https://doi.org/10.1115/FEDSM2007-37033
View Paper titled, Flow Characteristics of Dilute Polymer Solutions in Micro Tubes
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Topics: Flow (Dynamics), Polymer solutions, Water, Pressure drop, Fluids, Laminar flow, Poiseuille flow, Reynolds number
Proceedings Papers

Numerical Simulation of Fluid Slip at a Hydrophobic Surface

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Takao Fujita, Keizo Watanabe
Proc. ASME. HT-FED2004, Volume 4, 259-264, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56046
https://doi.org/10.1115/HT-FED2004-56046
View Paper titled, Numerical Simulation of Fluid Slip at a Hydrophobic Surface
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Topics: Computer simulation, Fluids, Boundary-value problems, Circular cylinders, Drag reduction, Ducts, Flow (Dynamics), Laminar flow, Fractals, Internal flow
Proceedings Papers

Motion of a Highly Water-Repellent Sphere in Newtonian Fluids

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Keizo Watanabe, Takao Fujita
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2513-2518, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45787
https://doi.org/10.1115/FEDSM2003-45787
View Paper titled, Motion of a Highly Water-Repellent Sphere in Newtonian Fluids
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Topics: Fluids, Water repellents, Flow (Dynamics), Water, Circular cylinders, Nylon fabrics, Buoyancy, Density, Drag reduction, Needles
Proceedings Papers

Drag of a Circular Cylinder in Surfactant Solutions at Intermediate Reynolds Number Range

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Satoshi Ogata, Keizo Watanabe, Yoshihisa Osano
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2385-2390, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45768
https://doi.org/10.1115/FEDSM2003-45768
View Paper titled, Drag of a Circular Cylinder in Surfactant Solutions at Intermediate Reynolds Number Range
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Topics: Circular cylinders, Drag (Fluid dynamics), Reynolds number, Surfactants, Cylinders, Drag reduction, Water, Flow (Dynamics), Sodium, Water tunnels
Proceedings Papers

Formation Process of Taylor Cells of a Surfactant Solution

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Keizo Watanabe, Tsukasa Takayama, Satoshi Ogata
Proc. ASME. IMECE2002, Fluids Engineering, 265-270, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32229
https://doi.org/10.1115/IMECE2002-32229
View Paper titled, Formation Process of Taylor Cells of a Surfactant Solution
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Topics: Surfactants, Vortices, Cylinders, Flow (Dynamics), Drag (Fluid dynamics), Flow visualization, Fluids, Fluorescence, Lasers, Shear (Mechanics)
Proceedings Papers

Effect of Surfactant Additives on Centrifugal Pump Performance

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Satoshi Ogata, Keizo Watanabe, Asano Kimura
Proc. ASME. IMECE2003, Fluids Engineering, 771-776, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-43535
https://doi.org/10.1115/IMECE2003-43535
View Paper titled, Effect of Surfactant Additives on Centrifugal Pump Performance
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Topics: Centrifugal pumps, Surfactants, Pumps, Temperature, Flow (Dynamics), Impellers, Water
Proceedings Papers

Flow of Surfactant Solutions Past a Circular Cylinder

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Yoshihisa Osano, Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2004, Fluids Engineering, 807-812, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-59488
https://doi.org/10.1115/IMECE2004-59488
View Paper titled, Flow of Surfactant Solutions Past a Circular Cylinder
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Topics: Circular cylinders, Flow (Dynamics), Surfactants, Drag (Fluid dynamics), Cylinders, Drag reduction, Reynolds number, Flow visualization, Water, Elasticity
Proceedings Papers

Fluid Slip of Flow Past a Hydrophobic Wall Sphere

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Takao Fujita, Keizo Watanabe
Proc. ASME. IMECE2004, Fluids Engineering, 55-62, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62223
https://doi.org/10.1115/IMECE2004-62223
View Paper titled, Fluid Slip of Flow Past a Hydrophobic Wall Sphere
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Topics: Flow (Dynamics), Fluids, Drag reduction, Flow visualization, Boundary-value problems, Computer simulation, Drag (Fluid dynamics), Friction, Separation (Technology), Shear (Mechanics)
Proceedings Papers

Forming Process of Taylor Vortex Flow of Polymer Solutions

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Shu Sumio, Keizo Watanabe, Satoshi Ogata
Proc. ASME. IMECE2004, Fluids Engineering, 849-854, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-60397
https://doi.org/10.1115/IMECE2004-60397
View Paper titled, Forming Process of Taylor Vortex Flow of Polymer Solutions
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Topics: Polymer solutions, Vortex flow, Vortices, Fluids, Cylinders, Flow visualization, Non-Newtonian fluids, Reynolds number, Fluorescence, Lasers
Journal Articles

Effect of Surfactant Additives on Centrifugal Pump Performance

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Satoshi Ogata, Asano Kimura, Keizo Watanabe
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2006, 128(4): 794–798.
https://doi.org/10.1115/1.2201643
Published Online: December 7, 2005
View Articletitled, Effect of Surfactant Additives on Centrifugal Pump Performance
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Topics: Pumps, Surfactants, Centrifugal pumps, Flow (Dynamics), Impellers, Drag reduction, Water
Journal Articles

Formation of Taylor Vortex Flow of Polymer Solutions

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Keizo Watanabe, Shu Sumio, Satoshi Ogata
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Special Section On The Fluid Mechanics And Rheology Of Nonlinear Materials At The Macro, Micro And Nano Scale
J. Fluids Eng. January 2006, 128(1): 95–100.
https://doi.org/10.1115/1.2137350
Published Online: July 13, 2005
View Articletitled, Formation of Taylor Vortex Flow of Polymer Solutions
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Topics: Cylinders, Flow (Dynamics), Fluids, Polymer solutions, Vortex flow, Vortices, Wavelength, Flow visualization, Polymers, Water
Journal Articles

Drag Reduction in Laminar Flow Between Two Vertical Coaxial Cylinders

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Keizo Watanabe, Takashi Akino
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 1999, 121(3): 541–547.
https://doi.org/10.1115/1.2823502
Published Online: September 1, 1999
View Articletitled, Drag Reduction in Laminar Flow Between Two Vertical Coaxial Cylinders
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Topics: Cylinders, Drag reduction, Laminar flow, Fluids, Flow (Dynamics), Polymer solutions, Water repellents, Non-Newtonian fluids, Resins, Shear stress