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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

Design and Development of a New Rotating Turbine Research Facility For Investigating the Interaction Between Mainstream and Various Secondary Air at Relevant Engine Conditions

Yoji Okita, Hisao Futamura, Takashi Yamane, Masaya Suzuki, Nozomi Tanaka, Haruyuki Tanimitsu, Junichi Iguchi
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58806
https://doi.org/10.1115/GT2021-58806
View Paper titled, Design and Development of a New Rotating Turbine Research Facility For Investigating the Interaction Between Mainstream and Various Secondary Air at Relevant Engine Conditions
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Topics: Design, Engines, Turbines, Cooling, Aerospace industry, Air flow, Aircraft engines, Airfoils, Blades, Compressors
Proceedings Papers

Noise Test of Revised Notched Nozzle Using a Jet Engine

Tatsuya Ishii, Nozomi Tanaka, Tsutomu Oishi, Yutaka Ishii
Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T01A012, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94833
https://doi.org/10.1115/GT2013-94833
View Paper titled, Noise Test of Revised Notched Nozzle Using a Jet Engine
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Topics: Jet engines, Noise (Sound), Nozzles, Engines, Noise control, Acoustics, Design, Microphones, Shear (Mechanics), Shear stress
Proceedings Papers

Hot-Jet Noise Test of a Revised Notched Nozzle

Tatsuya Ishii, Nozomi Tanaka, Hideshi Oinuma, Tsutomu Oishi
Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 301-311, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69507
https://doi.org/10.1115/GT2012-69507
View Paper titled, Hot-Jet Noise Test of a Revised Notched Nozzle
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Topics: Noise (Sound), Nozzles, Engines, Flow (Dynamics), Temperature, Noise control, Thrust, Acoustics, Aircraft engines, Experimental methods
Proceedings Papers

Experimental and Computational Approach for Jet Noise Mitigation by Mixing Control Devices

Nozomi Tanaka, Tsutomu Oishi, Yoshinori Ooba, Shunji Enomoto, Kazuomi Yamamoto, Tatsuya Ishii
Proc. ASME. GT2011, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Wind Turbine Technology, 77-89, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45200
https://doi.org/10.1115/GT2011-45200
View Paper titled, Experimental and Computational Approach for Jet Noise Mitigation by Mixing Control Devices
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Topics: Noise control, Nozzles, Noise (Sound), Acoustics, Shear (Mechanics), Design, Jets, Large eddy simulation, Mach number, Thrust
Proceedings Papers

Studies on Two-Dimensional Contouring of High-Lift Turbine Airfoil Suction Surface as Separation-Control Device: Separation Suppression Under Steady-State Flow Conditions

Ken-ichi Funazaki, Nozomi Tanaka, Takahiro Shiba, Haruyuki Tanimitsu, Masaaki Hamabe
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 481-491, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45156
https://doi.org/10.1115/GT2011-45156
View Paper titled, Studies on Two-Dimensional Contouring of High-Lift Turbine Airfoil Suction Surface as Separation-Control Device: Separation Suppression Under Steady-State Flow Conditions
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Topics: Airfoils, Flow (Dynamics), Separation (Technology), Steady state, Suction, Turbines, Bubbles, Boundary layers, Cascades (Fluid dynamics), Pressure
Proceedings Papers

Detailed Studies on Separated Boundary Layers Over Low-Pressure Turbine Airfoils Under Several High Lift Conditions: Effect of Freesteam Turbulence

Ken-ichi Funazaki, Kazutoyo Yamada, Nozomi Tanaka, Yasuhiro Chiba
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1013-1027, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59813
https://doi.org/10.1115/GT2009-59813
View Paper titled, Detailed Studies on Separated Boundary Layers Over Low-Pressure Turbine Airfoils Under Several High Lift Conditions: Effect of Freesteam Turbulence
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Topics: Airfoils, Boundary layers, Pressure, Turbines, Turbulence, Blades, Bubbles, Separation (Technology), Cascades (Fluid dynamics), Chords (Trusses)
Proceedings Papers

Numerical and Experimental Studies on Separated Boundary Layers Over Ultra-High Lift Low-Pressure Turbine Cascade Airfoils With Variable Solidity: Effects of Free-Stream Turbulence

Ken-Ichi Funazaki, Kazutoyo Yamada, Yasuhiro Chiba, Nozomi Tanaka
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1243-1252, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50718
https://doi.org/10.1115/GT2008-50718
View Paper titled, Numerical and Experimental Studies on Separated Boundary Layers Over Ultra-High Lift Low-Pressure Turbine Cascade Airfoils With Variable Solidity: Effects of Free-Stream Turbulence
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Topics: Airfoils, Boundary layers, Cascades (Fluid dynamics), Pressure, Turbines, Turbulence, Probes, Blades, Bubbles, Flow (Dynamics)