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Tomohiko Tsukuda
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Proceedings Papers

Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition

Tadashi Tanuma, Michio Ogawa, Hiroshi Okuda, Gaku Hashimoto, Naoki Shibukawa, Kenichi Okuno, Tomohiko Tsukuda
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A028, June 11–15, 2018
Paper No: GT2018-76498
https://doi.org/10.1115/GT2018-76498
View Paper titled, Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition
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Topics: Blades, Steam turbines, Stress, Unsteady flow, Structural analysis, Boundary-value problems, Annulus, Design, Pressure, 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
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
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
Open the PDF for A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal in another window
Topics: Computational fluid dynamics, Damping, Engineering simulation, Flow (Dynamics), Fluids, Rotors, Simulation, Stiffness
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
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
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Topics: Blades, Unsteady flow, Rotating blades, Diffusers, Exhaust systems, Pressure, Boundary-value problems, Finite element analysis, Flow (Dynamics), Steam turbines
Proceedings Papers

An Experimental Investigation of Thermal Wetness Loss in the Full Scale Size Low Pressure Turbine

Tomohiko Tsukuda, Hiroki Sato, Daisuke Nomura, Sakae Kawasaki, Naoki Shibukawa
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A027, June 16–20, 2014
Paper No: GT2014-26012
https://doi.org/10.1115/GT2014-26012
View Paper titled, An Experimental Investigation of Thermal Wetness Loss in the Full Scale Size Low Pressure Turbine
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Topics: Pressure, Turbines, Equilibrium (Physics), Condensation, Superheating, Temperature, Enthalpy, Flow (Dynamics), Probes, Supercooling
Proceedings Papers

An Upwind Eulerian-Eulerian Model for Non-Equilibrium Condensation in Steam Turbines

Xiaofeng Zhu, Xin Yuan, Zhirong Lin, Naoki Shibukawa, Tomohiko Tsukuda, Yoshiki Niizeki, Tadashi Tanuma
Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT25A024, June 3–7, 2013
Paper No: GT2013-95047
https://doi.org/10.1115/GT2013-95047
View Paper titled, An Upwind Eulerian-Eulerian Model for Non-Equilibrium Condensation in Steam Turbines
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Topics: Condensation, Equilibrium (Physics), Steam turbines, Steam, Cascades (Fluid dynamics), Density, Eigenvalues, Flow (Dynamics), Internal energy (Physics), Jacobian matrices
Proceedings Papers

Influence of Wetness on Efficiency of the Full Scale Size Low Pressure Turbines

Tomohiko Tsukuda, Hiroyuki Kawagishi, Naoki Shibukawa, Tadayuki Hashidate, Koichi Goto, Tsuguhisa Tashima
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 707-716, June 11–15, 2012
Paper No: GT2012-70056
https://doi.org/10.1115/GT2012-70056
View Paper titled, Influence of Wetness on Efficiency of the Full Scale Size Low Pressure Turbines
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Topics: Pressure, Turbines, Stress, Blades, Braking, Steam, Design, Flow (Dynamics)
Proceedings Papers

An Experimental Flow Investigation of Low Pressure Turbine Stages With Various Wet Conditions

Naoki Shibukawa, Tomohiko Tsukuda, Tadayuki Hashidate, Hiroyuki Kawagishi, Tatsuro Uchida, Koichi Goto
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 637-646, June 11–15, 2012
Paper No: GT2012-69613
https://doi.org/10.1115/GT2012-69613
View Paper titled, An Experimental Flow Investigation of Low Pressure Turbine Stages With Various Wet Conditions
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Topics: Flow (Dynamics), Pressure, Turbines, Steam, Blades, Stators, Steam turbines, Design, Water