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Toshio Hirano
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Proceedings Papers

Influence of Bearing Alignment on Vibration of Multi-Span Rotor

Toshio Hirano, Tatsuo Yamashita
Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT07A008, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4057
https://doi.org/10.1115/DETC97/VIB-4057
View Paper titled, Influence of Bearing Alignment on Vibration of Multi-Span Rotor
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Topics: Bearings, Rotors, Vibration
Journal Articles

A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal

Tomohiko Tsukuda, Toshio Hirano, Cori Watson, Neal R. Morgan, Brian K. Weaver, Houston G. Wood
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082506.
Paper No: GTP-17-1530
https://doi.org/10.1115/1.4039360
Published Online: May 14, 2018
View Article titled, A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal
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Topics: Computational fluid dynamics, Flow (Dynamics), Rotors, Stiffness, Pressure, Damping
Proceedings Papers

A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal

Tomohiko Tsukuda, Toshio Hirano, Cori Watson, Neal R. Morgan, Brian K. Weaver, Houston G. Wood
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64745
https://doi.org/10.1115/GT2017-64745
View Paper titled, A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal
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Topics: Computational fluid dynamics, Damping, Engineering simulation, Flow (Dynamics), Fluids, Rotors, Simulation, Stiffness
Journal Articles

Design Considerations for Axial Steam Turbine Rotor Inlet Cavity Volume and Length Scale

Konstantinos G. Barmpalias, Reza S. Abhari, Anestis I. Kalfas, Toshio Hirano, Naoki Shibukawa, Takashi Sasaki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051031.
https://doi.org/10.1115/1.4004827
Published Online: May 31, 2012
View Article titled, Design Considerations for Axial Steam Turbine Rotor Inlet Cavity Volume and Length Scale
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Topics: Cavities, Flow (Dynamics), Rotors, Stators, Vortices, Blades, Design, Pressure
Proceedings Papers

Design Considerations for Axial Steam Turbine Rotor Inlet Cavity Volume and Length Scale

Konstantinos G. Barmpalias, Anestis I. Kalfas, Reza S. Abhari, Toshio Hirano, Naoki Shibukawa, Takashi Sasaki
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2243-2254, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45127
https://doi.org/10.1115/GT2011-45127
View Paper titled, Design Considerations for Axial Steam Turbine Rotor Inlet Cavity Volume and Length Scale
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Topics: Cavities, Design, Rotors, Steam turbines, Vortices, Stators, Aerodynamics, Flow (Dynamics)
Proceedings Papers

Effects of Design Variations of Rotor Entry Cavity Geometry on Shrouded Steam Turbine Performance

K. G. Barmpalias, A. I. Kalfas, R. S. Abhari, Toshio Hirano, Naoki Shibukawa
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2127-2137, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22279
https://doi.org/10.1115/GT2010-22279
View Paper titled, Effects of Design Variations of Rotor Entry Cavity Geometry on Shrouded Steam Turbine Performance
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Topics: Cavities, Design, Geometry, Rotors, Steam turbines, Flow (Dynamics), Blades, Clearances (Engineering), Probes, Safety
Proceedings Papers

Application of CFD Analysis for Rotating Machinery: Part 1 — Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper

Zenglin Guo, Toshio Hirano, R. Gordon Kirk
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 651-659, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38931
https://doi.org/10.1115/GT2003-38931
View Paper titled, Application of CFD Analysis for Rotating Machinery: Part 1 — Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper
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Topics: Bearings, Computational fluid dynamics, Dampers, Hydrostatics, Machinery
Proceedings Papers

Application of CFD Analysis for Rotating Machinery: Part 2 — Labyrinth Seal Analysis

Toshio Hirano, Zenglin Guo, R. Gordon Kirk
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 661-667, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38984
https://doi.org/10.1115/GT2003-38984
View Paper titled, Application of CFD Analysis for Rotating Machinery: Part 2 — Labyrinth Seal Analysis
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Topics: Computational fluid dynamics, Machinery, Rotordynamics, Rotors, Flow (Dynamics), Leakage flows, Turbochargers, Bearings, Compressors, Computer software
Journal Articles

Application of Computational Fluid Dynamics Analysis for Rotating Machinery—Part II: Labyrinth Seal Analysis

Toshio Hirano, Zenglin Guo, R. Gordon Kirk
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2005, 127(4): 820–826.
https://doi.org/10.1115/1.1808426
Published Online: September 20, 2005
View Article titled, Application of Computational Fluid Dynamics Analysis for Rotating Machinery—Part II: Labyrinth Seal Analysis
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Machinery, Rotors, Steam turbines, Dimensions, Leakage flows, Rotordynamics
Journal Articles

An Experimental Study of Static and Dynamic Characteristics of a 580 mm ( 22.8 in. ) Diameter Direct Lubrication Tilting Pad Journal Bearing

Kazunori Ikeda, Toshio Hirano, Tatsuo Yamashita, Makoto Mikami, Hitoshi Sakakida
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 146–154.
https://doi.org/10.1115/1.2114929
Published Online: August 19, 2005
View Article titled, An Experimental Study of Static and Dynamic Characteristics of a 580 mm ( 22.8 in. ) Diameter Direct Lubrication Tilting Pad Journal Bearing
Topics: Bearings, Flow (Dynamics), Lubrication, Pressure, Journal bearings, Stress, Temperature, Vibration, Metals
Journal Articles

Application of CFD Analysis for Rotating Machinery—Part I: Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper

Zenglin Guo, Post-Doctorate, Toshio Hirano, Visiting Research Engineer, R. Gordon Kirk, Professor
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 445–451.
https://doi.org/10.1115/1.1807415
Published Online: April 15, 2005
View Article titled, Application of CFD Analysis for Rotating Machinery—Part I: Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper
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Topics: Bearings, Computational fluid dynamics, Hydrostatics, Pressure, Dampers