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Proceedings Papers

Effect of Blade Tip Configuration on Tip Clearance Loss of a Centrifugal Impeller

Masahiro Ishida, Hironobu Ueki, Yasutoshi Senoo
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A046, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-80
https://doi.org/10.1115/89-GT-80
View Paper titled, Effect of Blade Tip Configuration on Tip Clearance Loss of a Centrifugal Impeller
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Topics: Blades, Clearances (Engineering), Impellers, Leakage flows, Drag (Fluid dynamics), Fluids, Leakage, Pressure, Pressure gradient, Testing performance
Proceedings Papers

Secondary Flow due to the Tip Clearance at the Exit of Centrifugal Impellers

Masahiro Ishida, Yasutoshi Senoo, Hironobu Ueki
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A047, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-81
https://doi.org/10.1115/89-GT-81
View Paper titled, Secondary Flow due to the Tip Clearance at the Exit of Centrifugal Impellers
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Topics: Clearances (Engineering), Flow (Dynamics), Impellers, Blades, Fluids, Pressure gradient, Shear (Mechanics)
Proceedings Papers

Multipoint Multi-Objective Optimization of a Low Solidity Circular Cascade Diffuser in Centrifugal Blowers

Daisaku Sakaguchi, Masahiro Ishida, Hiroshi Hayami, Lasse Mueller, Zuheyr Alsalihi, Tom Verstraete
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT10A018, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26013
https://doi.org/10.1115/GT2014-26013
View Paper titled, Multipoint Multi-Objective Optimization of a Low Solidity Circular Cascade Diffuser in Centrifugal Blowers
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Topics: Cascades (Fluid dynamics), Diffusers, Pareto optimization, Flow (Dynamics), Blades, Design, Pressure, Optimization, Flow separation, Shapes
Proceedings Papers

Suppression of Rotating Stall by Wall Roughness Control in Vaneless Diffusers of Centrifugal Blowers

Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A035, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0461
https://doi.org/10.1115/2000-GT-0461
View Paper titled, Suppression of Rotating Stall by Wall Roughness Control in Vaneless Diffusers of Centrifugal Blowers
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Topics: Surface roughness, Vaneless diffusers, Boundary layers, Flow (Dynamics), Diffusers, Blades, Impellers, Momentum, Pressure, Pressure drop
Proceedings Papers

Incipient Rotating Stall Characteristics Measured by Semiconductor L2F and Pressure Transducer in Vaneless Diffusers of Centrifugal Blowers

Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A039, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0467
https://doi.org/10.1115/2000-GT-0467
View Paper titled, Incipient Rotating Stall Characteristics Measured by Semiconductor L2F and Pressure Transducer in Vaneless Diffusers of Centrifugal Blowers
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Topics: Pressure transducers, Semiconductors (Materials), Vaneless diffusers, Blades, Flow (Dynamics), Impellers, Diffusers, Pressure, Pressure sensors, Semiconductor lasers
Proceedings Papers

Behavior of Secondary Flow in a Low Solidity Tandem Cascade Diffuser

Daisaku Sakaguchi, Hironobu Ueki, Masahiro Ishida, Hiroshi Hayami
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 763-770, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69369
https://doi.org/10.1115/GT2012-69369
View Paper titled, Behavior of Secondary Flow in a Low Solidity Tandem Cascade Diffuser
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Topics: Cascades (Fluid dynamics), Diffusers, Flow (Dynamics), Blades, Flow separation, Pressure, Suction, Computational fluid dynamics, Design, High pressure (Physics)
Proceedings Papers

Inhomogeneous Structure in High-Speed and High-Number-Density Sprays

Noritsune Kawaharada, Daisaku Sakaguchi, Keisuke Komada, Hironobu Ueki, Masahiro Ishida
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2647-2655, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-11001
https://doi.org/10.1115/AJK2011-11001
View Paper titled, Inhomogeneous Structure in High-Speed and High-Number-Density Sprays
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Topics: Density, Sprays, Drops, Diesel, Probes, Turbulence, Common rail fuel injectors, Ejectors, Electromagnetic scattering, Fuels
Proceedings Papers

Unsteady Flow Analysis of Interaction Between Jet-Wake Flow and Blades of Low Solidity Cascade Diffuser in a Centrifugal Blower

Daisaku Sakaguchi, Tengen Murakami, Hironobu Ueki, Masahiro Ishida, Hiroshi Hayami
Proc. ASME. GT2011, Volume 4: Cycle Innovations; Fans and Blowers; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Oil and Gas Applications, 405-413, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45475
https://doi.org/10.1115/GT2011-45475
View Paper titled, Unsteady Flow Analysis of Interaction Between Jet-Wake Flow and Blades of Low Solidity Cascade Diffuser in a Centrifugal Blower
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Topics: Blades, Cascades (Fluid dynamics), Diffusers, Flow (Dynamics), Unsteady flow, Wakes
Proceedings Papers

Evaluation of Mass Flow Rate Distribution in Diesel Fuel Spray by L2F

Keisuke Komada, Noritsune Kawaharada, Daisaku Sakaguchi, Hironobu Ueki, Masahiro Ishida
Proc. ASME. ICEF2011, ASME 2011 Internal Combustion Engine Division Fall Technical Conference, 213-222, October 2–5, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2011-60093
https://doi.org/10.1115/ICEF2011-60093
View Paper titled, Evaluation of Mass Flow Rate Distribution in Diesel Fuel Spray by L2F
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Topics: Diesel, Flow (Dynamics), Sprays, Nozzles, Drops, Fuels, Common rail fuel injectors, Data acquisition, Density, Ejectors
Proceedings Papers

Analysis of Secondary Flow Behavior in Low Solidity Cascade Diffuser of a Centrifugal Blower

Masahiro Ishida, Tengen Murakami, Daisaku Sakaguchi, Hironobu Ueki, Hiroshi Hayami, Yasutoshi Senoo
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1973-1982, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22861
https://doi.org/10.1115/GT2010-22861
View Paper titled, Analysis of Secondary Flow Behavior in Low Solidity Cascade Diffuser of a Centrifugal Blower
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Topics: Blades, Cascades (Fluid dynamics), Diffusers, Flow (Dynamics), Vortices
Proceedings Papers

Analysis of Noise Generated by Low Solidity Cascade Diffuser in a Centrifugal Blower

Daisaku Sakaguchi, Masahiro Ishida, Hironobu Ueki, Hiroshi Hayami, Yasutoshi Senoo
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1561-1569, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50750
https://doi.org/10.1115/GT2008-50750
View Paper titled, Analysis of Noise Generated by Low Solidity Cascade Diffuser in a Centrifugal Blower
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Topics: Cascades (Fluid dynamics), Diffusers, Impellers, Noise (Sound)
Proceedings Papers

Development of Kansei Design System Using Image Processing

Masao Arakawa, Hiroyuki Kitajima, Masahiro Ishida, Tadaharu Manabe
Proc. ASME. IDETC-CIE2007, Volume 2: 27th Computers and Information in Engineering Conference, Parts A and B, 543-549, September 4–7, 2007
Publisher: American Society of Mechanical Engineers
Paper No: DETC2007-35249
https://doi.org/10.1115/DETC2007-35249
View Paper titled, Development of Kansei Design System Using Image Processing
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Topics: Design, Image processing, Fourier transforms, Brain, Creativity, Databases, Doors, Ergonomics
Proceedings Papers

Improvements in Aerodynamic Performance and Noise Due to Low Solidity Cascade Diffuser in a Centrifugal Blower

Daisaku Sakaguchi, Masahiro Ishida, Tengen Murakami, Hiroshi Hayami, Yasutoshi Senoo, Hironobu Ueki
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 899-904, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37449
https://doi.org/10.1115/FEDSM2007-37449
View Paper titled, Improvements in Aerodynamic Performance and Noise Due to Low Solidity Cascade Diffuser in a Centrifugal Blower
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Topics: Cascades (Fluid dynamics), Diffusers, Noise (Sound)
Proceedings Papers

Measurement of High-Speed and High-Number-Density Droplets by Micro-Probe L2F With Mega-Hertz Data Acquisition

Daisaku Sakaguchi, Hironobu Ueki, Masahiro Ishida, Oluwole Amida
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 739-747, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37219
https://doi.org/10.1115/FEDSM2007-37219
View Paper titled, Measurement of High-Speed and High-Number-Density Droplets by Micro-Probe L2F With Mega-Hertz Data Acquisition
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Topics: Data acquisition, Density, Drops, Probes, Sprays, Common rail fuel injectors, Diesel, Diffraction, Ejectors, Fuels
Proceedings Papers

Measurement of Three Dimensional Position of Particles by Single CCD Image Including Lens Aberration

Hironobu Ueki, Masahiro Ishida, Daisaku Sakaguchi, Manabu Tokumoto
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2251-2256, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45203
https://doi.org/10.1115/FEDSM2003-45203
View Paper titled, Measurement of Three Dimensional Position of Particles by Single CCD Image Including Lens Aberration
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Topics: Lenses (Optics), Particulate matter, Sensors, Databases, Electromagnetic scattering, Filtration, Flow measurement, Image formation, Lasers, Light sources
Proceedings Papers

Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower by Controlling Tip Leakage Flow and Reverse Flow

Masahiro Ishida, Taufan Surana, Hironobu Ueki, Daisaku Sakaguchi
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 761-770, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53400
https://doi.org/10.1115/GT2004-53400
View Paper titled, Suppression of Unstable Flow at Small Flow Rates in a Centrifugal Blower by Controlling Tip Leakage Flow and Reverse Flow
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Topics: Diffusers, Flow (Dynamics), Leakage flows
Proceedings Papers

Optimization of Inlet Ring Groove Arrangement for Suppression of Unstable Flow in a Centrifugal Impeller

Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 841-850, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68675
https://doi.org/10.1115/GT2005-68675
View Paper titled, Optimization of Inlet Ring Groove Arrangement for Suppression of Unstable Flow in a Centrifugal Impeller
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Topics: Flow (Dynamics), Impellers, Optimization
Proceedings Papers

Effect of Pre-Whirl on Unstable Flow Suppression in a Centrifugal Impeller With Ring Groove Arrangement

Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 1049-1057, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90400
https://doi.org/10.1115/GT2006-90400
View Paper titled, Effect of Pre-Whirl on Unstable Flow Suppression in a Centrifugal Impeller With Ring Groove Arrangement
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Topics: Flow (Dynamics), Impellers, Surges, Whirls
Journal Articles

Suppression of Rotating Stall by Wall Roughness Control in Vaneless Diffusers of Centrifugal Blowers

Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 64–72.
https://doi.org/10.1115/1.1328084
Published Online: February 1, 2000
View Article titled, Suppression of Rotating Stall by Wall Roughness Control in Vaneless Diffusers of Centrifugal Blowers
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Topics: Boundary layers, Diffusers, Flow (Dynamics), Pressure, Separation (Technology), Surface roughness, Vaneless diffusers, Friction, Impellers
Journal Articles

Asymmetric Flow in Vaneless Diffusers of Centrifugal Blowers

Yasutoshi Senoo, Yoshifumi Kinoshita, Masahiro Ishida
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1977, 99(1): 104–111.
https://doi.org/10.1115/1.3448501
Published Online: March 1, 1977
View Article titled, Asymmetric Flow in Vaneless Diffusers of Centrifugal Blowers
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Topics: Flow (Dynamics), Vaneless diffusers, Diffusers, Integral equations, Momentum