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Hiroshi Saeki
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Proceedings Papers

Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades

Tadashi Tanuma, Hiroshi Okuda, Gaku Hashimoto, Satoru Yamamoto, Naoki Shibukawa, Kenichi Okuno, Hiroshi Saeki, Tomohiko Tsukuda
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A035, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43848
https://doi.org/10.1115/GT2015-43848
View Paper titled, Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades
Open the PDF for Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades in another window
Topics: Blades, Unsteady flow, Rotating blades, Diffusers, Exhaust systems, Pressure, Boundary-value problems, Finite element analysis, Flow (Dynamics), Steam turbines
Proceedings Papers

Numerical Investigation of Steam Turbine Exhaust Diffuser Flows and Their Three Dimensional Interaction Effects on Last Stage Efficiencies

Tadashi Tanuma, Yasuhiro Sasao, Satoru Yamamoto, Yoshiki Niizeki, Naoki Shibukawa, Hiroshi Saeki
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A039, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26665
https://doi.org/10.1115/GT2014-26665
View Paper titled, Numerical Investigation of Steam Turbine Exhaust Diffuser Flows and Their Three Dimensional Interaction Effects on Last Stage Efficiencies
Open the PDF for Numerical Investigation of Steam Turbine Exhaust Diffuser Flows and Their Three Dimensional Interaction Effects on Last Stage Efficiencies in another window
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Steam turbines, Design, Numerical analysis, Pressure, Blades, Design engineering, Energy generation
Proceedings Papers

Aerodynamic Interaction Effects From Upstream and Downstream on the Down-Flow Type Exhaust Diffuser Performance in a Low Pressure Steam Turbine

Tadashi Tanuma, Yasuhiro Sasao, Satoru Yamamoto, Yoshiki Niizeki, Naoki Shibukawa, Hiroshi Saeki
Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT25A044, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95901
https://doi.org/10.1115/GT2013-95901
View Paper titled, Aerodynamic Interaction Effects From Upstream and Downstream on the Down-Flow Type Exhaust Diffuser Performance in a Low Pressure Steam Turbine
Open the PDF for Aerodynamic Interaction Effects From Upstream and Downstream on the Down-Flow Type Exhaust Diffuser Performance in a Low Pressure Steam Turbine in another window
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Pressure, Steam turbines, Turbines, Blades, Separation (Technology), Steam, Boundary layers
Proceedings Papers

Numerical Investigation of Three-Dimensional Wet Steam Flows in an Exhaust Diffuser With Non-Uniform Inlet Flows From the Turbine Stages in a Steam Turbine

Tadashi Tanuma, Yasuhiro Sasao, Satoru Yamamoto, Yoshiki Niizeki, Naoki Shibukawa, Hiroshi Saeki
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 589-602, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69496
https://doi.org/10.1115/GT2012-69496
View Paper titled, Numerical Investigation of Three-Dimensional Wet Steam Flows in an Exhaust Diffuser With Non-Uniform Inlet Flows From the Turbine Stages in a Steam Turbine
Open the PDF for Numerical Investigation of Three-Dimensional Wet Steam Flows in an Exhaust Diffuser With Non-Uniform Inlet Flows From the Turbine Stages in a Steam Turbine in another window
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Steam, Steam turbines, Turbines, Blades, Evaluation methods, Design, Design engineering
Proceedings Papers

Numerical Investigation of Exhaust Diffuser Performances in Low Pressure Turbine Casings

Tadashi Tanuma, Yasuhiro Sasao, Satoru Yamamoto, Shinji Takada, Yoshiki Niizeki, Naoki Shibukawa, Hiroshi Saeki
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2347-2357, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45677
https://doi.org/10.1115/GT2011-45677
View Paper titled, Numerical Investigation of Exhaust Diffuser Performances in Low Pressure Turbine Casings
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Topics: Diffusers, Exhaust systems, Pressure, Turbines, Computational fluid dynamics, Steam turbines, Boundary layers, Boundary-value problems, Condensation, Design
Proceedings Papers

Conceptual Design and Cooling Blade Development of 1700 °C-Class High-Temperature Gas Turbine

Shoko Ito, Hiroshi Saeki, Asako Inomata, Fumio Ootomo, Katsuya Yamashita, Yoshitaka Fukuyama, Eiichi Koda, Toru Takahashi, Mikio Sato, Miki Koyama, Toru Ninomiya
Proc. ASME. GT2003, Volume 1: Turbo Expo 2003, 829-842, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38352
https://doi.org/10.1115/GT2003-38352
View Paper titled, Conceptual Design and Cooling Blade Development of 1700 °C-Class High-Temperature Gas Turbine
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Topics: Blades, Conceptual design, Cooling, Gas turbines, High temperature, Heat transfer, Steam, Thermal efficiency, Carbon dioxide, Closed-cycle gas turbines
Journal Articles

Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine

Shoko Ito, Hiroshi Saeki, Asako Inomata, Fumio Ootomo, Katsuya Yamashita, Yoshitaka Fukuyama, Elichi Koda, Toru Takehashi, Mikio Sato, Miki Koyama, Toru Ninomiya
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 358–368.
https://doi.org/10.1115/1.1806456
Published Online: April 15, 2005
View Article titled, Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine
Open the PDF for Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine in another window
Topics: Blades, Cooling, Nozzles, High temperature, Heat transfer, Flow (Dynamics), Gas turbines, Turbines, Coolants, Rotors