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Hidetoshi Fujii
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Journal Articles

Enhancements on Dissimilar Friction Stir Welding Between AZ31 and SPHC Mild Steel With Al–Mg as Powder Additives

Mohd Ridha bin Muhamad, Sufian Raja, Mohd Fadzil Jamaludin, Farazila Yusof, Yoshiaki Morisada, Tetsuo Suga, Hidetoshi Fujii
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. July 2021, 143(7): 071005.
Paper No: MANU-20-1525
DOI: https://doi.org/10.1115/1.4049745
Published Online: February 26, 2021
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Topics: Friction, Steel, Welding, Aluminum, Joining, Magnesium alloys, Tensile strength
Journal Articles

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement

Chongfei Duan, Hisataka Fukushima, Kiyoshi Segewa, Takanori Shibata, Hidetoshi Fujii
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041003.
Paper No: GTP-18-1560
DOI: https://doi.org/10.1115/1.4041648
Published Online: November 1, 2018
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Topics: Cavities, Computational fluid dynamics, Flow (Dynamics), Leakage flows, Rotors, Steam turbines, Turbines, Pressure, Design
Proceedings Papers

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows: Part II — Effect of Axial Distance Between a Swirl Breaker and Rotor Shroud on Efficiency Improvement

Chongfei Duan, Hisataka Fukushima, Kiyoshi Segawa, Takanori Shibata, Hidetoshi Fujii
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A010, June 11–15, 2018
Paper No: GT2018-75270
DOI: https://doi.org/10.1115/GT2018-75270
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Topics: Leakage flows, Rotors, Steam turbines, Cavities, Computational fluid dynamics, Pressure, Geometry, Design, Flow (Dynamics), Reliability