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Junichi Kazawa
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Proceedings Papers

Effects of the Shape Modification of the Leading Edge Impingement Cooling for Turbine Blade

Kozo Nita, Shu Fujimoto, Masaya Suzuki, Junichi Kazawa, Yoji Okita
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127420
https://doi.org/10.1115/GT2024-127420
View Paper titled, Effects of the Shape Modification of the Leading Edge Impingement Cooling for Turbine Blade
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Topics: Cooling, Impingement cooling, Shapes, Turbine blades, Computational fluid dynamics, Heat transfer coefficients, Flow (Dynamics), Reynolds number, Temperature, Film cooling
Journal Articles

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Takashi Yamane, Nozomi Tanaka, Kazutaka Fuchigami, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121007.
Paper No: TURBO-23-1183
https://doi.org/10.1115/1.4065907
Published Online: July 23, 2024
View Article titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Coolants, Design, Flow (Dynamics), Rotors, Turbines, Blades, Vortices, Pressure, Temperature
Proceedings Papers

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Kazutaka Fuchigami, Takashi Yamane, Nozomi Tanaka, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101849
https://doi.org/10.1115/GT2023-101849
View Paper titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Flow (Dynamics), High pressure (Physics), Turbines, Coolants, Rotors, Airfoils, Disks, Testing, Vortices
Proceedings Papers

Evaluation of Torsion Axis Positon on Turbine Blade Flutter by Direct Measurement Experiment: Rig Design and Numerical Simulation

Naoki Tani, Mizuho Aotsuka, Junichi Kazawa
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A013, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57108
https://doi.org/10.1115/GT2016-57108
View Paper titled, Evaluation of Torsion Axis Positon on Turbine Blade Flutter by Direct Measurement Experiment: Rig Design and Numerical Simulation
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Topics: Computer simulation, Design, Flutter (Aerodynamics), Torsion, Turbine blades, Blades, Computational fluid dynamics, Pressure, Cascades (Fluid dynamics), Engineering simulation
Proceedings Papers

CFD Modeling Effects on Unsteady Multistage Simulation for a Transonic Axial Compressor

Mai Yamagami, Hidekazu Kodama, Dai Kato, Naoki Tsuchiya, Yasuo Horiguchi, Junichi Kazawa
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1689-1702, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46198
https://doi.org/10.1115/GT2011-46198
View Paper titled, CFD Modeling Effects on Unsteady Multistage Simulation for a Transonic Axial Compressor
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Topics: Compressors, Computational fluid dynamics, Modeling, Simulation, Flow (Dynamics), Leakage, Stators, Turbulence, Annulus, Cavities
Proceedings Papers

Unsteady Flow Effects in a High-Speed Multistage Axial Compressor

Mai Yamagami, Hidekazu Kodama, Dai Kato, Naoki Tsuchiya, Yasuo Horiguchi, Junichi Kazawa
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1651-1664, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59583
https://doi.org/10.1115/GT2009-59583
View Paper titled, Unsteady Flow Effects in a High-Speed Multistage Axial Compressor
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Topics: Compressors, Unsteady flow, Simulation, Blades, Design, Pressure, Wakes
Proceedings Papers

Numerical and Experimental Study of Active Flutter Suppression With Piezoelectric Device for Transonic Cascade

Toshinori Watanabe, Junichi Kazawa, Seiji Uzawa, Benjamin Keim
Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 849-859, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-51467
https://doi.org/10.1115/GT2008-51467
View Paper titled, Numerical and Experimental Study of Active Flutter Suppression With Piezoelectric Device for Transonic Cascade
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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics)
Proceedings Papers

Active Suppression of Cascade Flutter With Piezoelectric Device

Junichi Kazawa, Toshinori Watanabe
Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1091-1100, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90645
https://doi.org/10.1115/GT2006-90645
View Paper titled, Active Suppression of Cascade Flutter With Piezoelectric Device
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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics)