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Proceedings Papers

Coalescence of Droplets of an Ink Jet

Keizo Watanabe, Feng Che, Masayuki Mutoh
Proc. ASME. IMECE97, Fluids Engineering, 179-184, November 16–21, 1997
Paper No: IMECE1997-0771
DOI: 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

Keizo Watanabe, Hiroshi Udagawa
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 1-6, November 14–19, 1999
Paper No: IMECE1999-1160
DOI: 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

Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 15-19, November 14–19, 1999
Paper No: IMECE1999-1162
DOI: 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

Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 85-90, November 11–16, 2001
Paper No: IMECE2001/FED-24912
DOI: 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

Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2000, Rheology and Fluid Mechanics of Nonlinear Materials, 41-47, November 5–10, 2000
Paper No: IMECE2000-2706
DOI: 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

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
Paper No: IMECE2009-10421
DOI: 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

Keizo Watanabe, Satoshi Ogata, Munehiko Hirao
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 241-246, July 30–August 2, 2007
Paper No: FEDSM2007-37033
DOI: 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

Takao Fujita, Keizo Watanabe
Proc. ASME. HT-FED2004, Volume 4, 259-264, July 11–15, 2004
Paper No: HT-FED2004-56046
DOI: 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

Keizo Watanabe, Takao Fujita
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2513-2518, July 6–10, 2003
Paper No: FEDSM2003-45787
DOI: 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

Satoshi Ogata, Keizo Watanabe, Yoshihisa Osano
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2385-2390, July 6–10, 2003
Paper No: FEDSM2003-45768
DOI: 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

Keizo Watanabe, Tsukasa Takayama, Satoshi Ogata
Proc. ASME. IMECE2002, Fluids Engineering, 265-270, November 17–22, 2002
Paper No: IMECE2002-32229
DOI: 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

Satoshi Ogata, Keizo Watanabe, Asano Kimura
Proc. ASME. IMECE2003, Fluids Engineering, 771-776, November 15–21, 2003
Paper No: IMECE2003-43535
DOI: 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

Yoshihisa Osano, Satoshi Ogata, Keizo Watanabe
Proc. ASME. IMECE2004, Fluids Engineering, 807-812, November 13–19, 2004
Paper No: IMECE2004-59488
DOI: 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

Takao Fujita, Keizo Watanabe
Proc. ASME. IMECE2004, Fluids Engineering, 55-62, November 13–19, 2004
Paper No: IMECE2004-62223
DOI: 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

Shu Sumio, Keizo Watanabe, Satoshi Ogata
Proc. ASME. IMECE2004, Fluids Engineering, 849-854, November 13–19, 2004
Paper No: IMECE2004-60397
DOI: 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

Satoshi Ogata, Asano Kimura, Keizo Watanabe
Journal: Journal of Fluids Engineering
Article Type: Technical Papers
J. Fluids Eng. July 2006, 128(4): 794–798.
DOI: https://doi.org/10.1115/1.2201643
Published Online: December 7, 2005
View Article titled, 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

Keizo Watanabe, Shu Sumio, Satoshi Ogata
Journal: Journal of Fluids Engineering
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.
DOI: https://doi.org/10.1115/1.2137350
Published Online: July 13, 2005
View Article titled, 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

Keizo Watanabe, Takashi Akino
Journal: Journal of Fluids Engineering
Article Type: Research Papers
J. Fluids Eng. September 1999, 121(3): 541–547.
DOI: https://doi.org/10.1115/1.2823502
Published Online: September 1, 1999
View Article titled, 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