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Proceedings Papers

Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance

Fan Wu, Danmei Xie, Jing Zhang, Hengliang Zhang, Chun Wang

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A022, June 17–21, 2019

Paper No: GT2019-91128

DOI: https://doi.org/10.1115/GT2019-91128

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Topics: Biomimetics, Blades, Design, Steam turbines, Flow (Dynamics), Bionics, Shapes, Torque, Vortices, Stress

Proceedings Papers

Aerodynamic Numerical Investigation of Low-Pressure Steam Turbine Last Stage Under Low Load Conditions With Mode Decomposition Methods

Ping Hu, Tong Lin, Rui Yang, Xiaocheng Zhu, Zhaohui Du

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A002, June 17–21, 2019

Paper No: GT2019-90089

DOI: https://doi.org/10.1115/GT2019-90089

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Topics: Pressure, Steam turbines, Stress, Flow (Dynamics), Computational fluid dynamics, Design, Excitation, Signals, Blades, Compressors

Proceedings Papers

Development of Highly Efficient and Robust Ultra-Long Last Stage Blade for High Backpressure

Ondrej Novak, Marek Bobcik, Vaclav Slama, Bartolomej Rudas, Josef Kellner, Petr Mestanek, Jan Hlous, Zdenek Simka, Martin Luxa, David Simurda, Antonin Zivny, Ales Macalka, Jiri Ira

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A007, June 17–21, 2019

Paper No: GT2019-90350

DOI: https://doi.org/10.1115/GT2019-90350

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Topics: Blades, Airfoils, Design, Flutter (Aerodynamics), Manufacturing, Numerical analysis, Pressure, Rotors, Safety, Shapes

Proceedings Papers

Investigation of Steam Turbine Warm-Keeping by Use of Air

Dennis Toebben, Piotr Luczynski, Manfred Wirsum, Wolfgang F. D. Mohr, Klaus Helbig

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A017, June 17–21, 2019

Paper No: GT2019-90761

DOI: https://doi.org/10.1115/GT2019-90761

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Topics: Steam turbines, Turbines, Blades, Temperature, Flow (Dynamics), Heat transfer, Power stations, Rotors, Steam, Boundary-value problems

Proceedings Papers

Steam Turbine Hot Standby: Electrical Pre-Heating Solution

Y. Kostenko, D. Veltmann, S. Hecker

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A012, June 17–21, 2019

Paper No: GT2019-90464

DOI: https://doi.org/10.1115/GT2019-90464

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Topics: Heating, Steam turbines, Heat transfer, Power stations, Transients (Dynamics), Turbine components, Computational fluid dynamics, Cooling, Energy consumption, Finite element analysis

Proceedings Papers

Numerical Investigation of the Influence of Flow Deflection at the Upper Hood on Performance of Low Pressure Steam Turbine Exhaust Hoods

Dickson Munyoki, Markus Schatz, Damian M. Vogt

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A008, June 17–21, 2019

Paper No: GT2019-90391

DOI: https://doi.org/10.1115/GT2019-90391

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Topics: Deflection, Exhaust systems, Flow (Dynamics), Pressure, Steam turbines, Design, Diffusers, Mach number, Turbines, Blades

Proceedings Papers

Thermo-Structural Analysis of Steam Turbine in Pre-Warming Operation With Hot Air

Piotr Łuczyński, Dennis Toebben, Lukas Pehle, Manfred Wirsum, Wolfgang F. D. Mohr, Klaus Helbig

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A013, June 17–21, 2019

Paper No: GT2019-90580

DOI: https://doi.org/10.1115/GT2019-90580

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Topics: Steam turbines, Temperature, Blades, Finite element methods, Finite element model, Stress, Structural analysis, Turbines, Calibration, Contact resistance

Proceedings Papers

Advanced Last Stage Blade for Nuclear Power Plant Upgrades

Christian Siewert, James R. McCracken, Thomas Thiemann

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A018, June 17–21, 2019

Paper No: GT2019-90860

DOI: https://doi.org/10.1115/GT2019-90860

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Topics: Blades, Nuclear power stations, Damping, Inspection, Steam turbines, Vibration, Design, Electric power generation, Excitation, Power stations

Proceedings Papers

Fretting Induced Fatigue Failure in Steam Turbine Blades

Vamadevan Gowreesan, Kyrylo Grebinnyk

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A003, June 17–21, 2019

Paper No: GT2019-90106

DOI: https://doi.org/10.1115/GT2019-90106

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Topics: Blades, Fatigue failure, Steam turbines, Fracture (Materials), Stress, Adhesion, Damage, Failure, Fatigue, Fracture (Process)

Proceedings Papers

Towards Scale Resolving Computations of Condensing Wet Steam Flows

Pascal Post, Marwick Sembritzky, Francesca di Mare

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A023, June 17–21, 2019

Paper No: GT2019-91269

DOI: https://doi.org/10.1115/GT2019-91269

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Topics: Computation, Flow (Dynamics), Steam, Equilibrium (Physics), Reynolds-averaged Navier–Stokes equations, Steam turbines, Turbomachinery, Two-phase flow, Cascades (Fluid dynamics), Computational fluid dynamics

Proceedings Papers

Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part I — Bending Damages

Xin Yan, Xinbo Dai

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A004, June 17–21, 2019

Paper No: GT2019-90152

DOI: https://doi.org/10.1115/GT2019-90152

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Topics: Damage, Turbines, Wear, Clearances (Engineering), Design, Flow (Dynamics), Leakage, Sealing (Process), Leakage flows, Engineering simulation

Proceedings Papers

Verification of Combined Main Steam Valve Pressure Distribution and Vibration Characteristics With Downscale Model Test on Air Condition

Fumiyuki Suzuki, Shingo Nishida, Shinji Fukao, Megumu Tsuruta

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A009, June 17–21, 2019

Paper No: GT2019-90406

DOI: https://doi.org/10.1115/GT2019-90406

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Topics: Pressure, Steam, Valves, Vibration, Computational fluid dynamics, Flow (Dynamics), Damping, Design, Manufacturing, Reliability

Proceedings Papers

Numerical and Experimental Aerodynamic Investigation of a Low Pressure Steam Turbine Module

Juri Bellucci, Lorenzo Peruzzi, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A024, June 17–21, 2019

Paper No: GT2019-91279

DOI: https://doi.org/10.1115/GT2019-91279

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Topics: Pressure, Steam turbines, Steam, Boundary-value problems, Computation, Computational fluid dynamics, Engineering simulation, Equilibrium (Physics), Flow (Dynamics), Geometry

Proceedings Papers

Application of the Nozzle Analogy to Easily Predict Steam Turbine Performance With Minimal Geometric Input

W. F. Fuls, J. S. Clark, A. C. Marx

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A019, June 17–21, 2019

Paper No: GT2019-90891

DOI: https://doi.org/10.1115/GT2019-90891

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Topics: Nozzles, Steam turbines, Turbines, Blades, Pressure, Boilers, Computational fluid dynamics, Computer software, Feedwater, Geometry

Proceedings Papers

Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers

Soichiro Tabata, Hisataka Fukushima, Kiyoshi Segawa, Koji Ishibashi, Yoshihiro Kuwamura, Hideaki Sugishita

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A014, June 17–21, 2019

Paper No: GT2019-90640

DOI: https://doi.org/10.1115/GT2019-90640

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Topics: Diffusers, Exhaust systems, Flow (Dynamics), Steam turbines, Computational fluid dynamics, Turbines, Internal flow, Rotating blades, Blades, Kinetic energy

Proceedings Papers

Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part II — Mushrooming Damages

Xinbo Dai, Xin Yan

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A005, June 17–21, 2019

Paper No: GT2019-90153

DOI: https://doi.org/10.1115/GT2019-90153

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Topics: Damage, Turbines, Wear, Clearances (Engineering), Leakage, Flow (Dynamics), Vibration, Heat transfer, Leakage flows, Pressure

Proceedings Papers

Numerical Investigation on the Vibration of Steam Turbine Main Inlet Control Valves Considering Fluid Force Effects

Yueyue Li, Sihua Xu, Jin He, Zhiqiang Hu, Lei Xiao

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A010, June 17–21, 2019

Paper No: GT2019-90419

DOI: https://doi.org/10.1115/GT2019-90419

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Topics: Fluids, Steam turbines, Valves, Vibration

Proceedings Papers

Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter

Klaus Helbig, Dennis Jarmowski, Felix Koelzow, Christian Kontermann

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A025, June 17–21, 2019

Paper No: GT2019-91297

DOI: https://doi.org/10.1115/GT2019-91297

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Topics: Electromagnetic scattering, Steel, Uncertainty, Creep, Stress, Damage, Fracture (Materials), Parameter estimation, Probability, Transients (Dynamics)

Proceedings Papers

Effect of Blade Secular Change on Unsteady Flows in Middle Pressure First-Stage Steam Turbines

Akihiro Uemura, Hironori Miyazawa, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A015, June 17–21, 2019

Paper No: GT2019-90644

DOI: https://doi.org/10.1115/GT2019-90644

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Topics: Blades, Pressure, Steam turbines, Unsteady flow, Maintenance, Rotors, Stators, Accidents, Boilers, Coal

Proceedings Papers

Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model

Stefan Linn, Christian Kontermann, Matthias Oechsner

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A020, June 17–21, 2019

Paper No: GT2019-90909

DOI: https://doi.org/10.1115/GT2019-90909

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Topics: Creep, Fatigue, High temperature, Damage, Power stations, Stress, Accounting, Constitutive equations, Engineers, Fatigue damage

NARROW

Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance

Aerodynamic Numerical Investigation of Low-Pressure Steam Turbine Last Stage Under Low Load Conditions With Mode Decomposition Methods

Development of Highly Efficient and Robust Ultra-Long Last Stage Blade for High Backpressure

Investigation of Steam Turbine Warm-Keeping by Use of Air

Steam Turbine Hot Standby: Electrical Pre-Heating Solution

Numerical Investigation of the Influence of Flow Deflection at the Upper Hood on Performance of Low Pressure Steam Turbine Exhaust Hoods

Thermo-Structural Analysis of Steam Turbine in Pre-Warming Operation With Hot Air

Advanced Last Stage Blade for Nuclear Power Plant Upgrades

Fretting Induced Fatigue Failure in Steam Turbine Blades

Towards Scale Resolving Computations of Condensing Wet Steam Flows

Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part I — Bending Damages

Verification of Combined Main Steam Valve Pressure Distribution and Vibration Characteristics With Downscale Model Test on Air Condition

Numerical and Experimental Aerodynamic Investigation of a Low Pressure Steam Turbine Module

Application of the Nozzle Analogy to Easily Predict Steam Turbine Performance With Minimal Geometric Input

Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers

Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part II — Mushrooming Damages

Numerical Investigation on the Vibration of Steam Turbine Main Inlet Control Valves Considering Fluid Force Effects

Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter

Effect of Blade Secular Change on Unsteady Flows in Middle Pressure First-Stage Steam Turbines

Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model

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