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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91128
https://doi.org/10.1115/GT2019-91128
View Paper titled, Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90089
https://doi.org/10.1115/GT2019-90089
View Paper titled, Aerodynamic Numerical Investigation of Low-Pressure Steam Turbine Last Stage Under Low Load Conditions With Mode Decomposition Methods
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90350
https://doi.org/10.1115/GT2019-90350
View Paper titled, Development of Highly Efficient and Robust Ultra-Long Last Stage Blade for High Backpressure
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90761
https://doi.org/10.1115/GT2019-90761
View Paper titled, Investigation of Steam Turbine Warm-Keeping by Use of Air
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90464
https://doi.org/10.1115/GT2019-90464
View Paper titled, Steam Turbine Hot Standby: Electrical Pre-Heating Solution
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90391
https://doi.org/10.1115/GT2019-90391
View Paper titled, Numerical Investigation of the Influence of Flow Deflection at the Upper Hood on Performance of Low Pressure Steam Turbine Exhaust Hoods
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90580
https://doi.org/10.1115/GT2019-90580
View Paper titled, Thermo-Structural Analysis of Steam Turbine in Pre-Warming Operation With Hot Air
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90860
https://doi.org/10.1115/GT2019-90860
View Paper titled, Advanced Last Stage Blade for Nuclear Power Plant Upgrades
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90106
https://doi.org/10.1115/GT2019-90106
View Paper titled, Fretting Induced Fatigue Failure in Steam Turbine Blades
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91269
https://doi.org/10.1115/GT2019-91269
View Paper titled, Towards Scale Resolving Computations of Condensing Wet Steam Flows
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90152
https://doi.org/10.1115/GT2019-90152
View Paper titled, Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part I — Bending Damages
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90406
https://doi.org/10.1115/GT2019-90406
View Paper titled, Verification of Combined Main Steam Valve Pressure Distribution and Vibration Characteristics With Downscale Model Test on Air Condition
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91279
https://doi.org/10.1115/GT2019-91279
View Paper titled, Numerical and Experimental Aerodynamic Investigation of a Low Pressure Steam Turbine Module
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90891
https://doi.org/10.1115/GT2019-90891
View Paper titled, Application of the Nozzle Analogy to Easily Predict Steam Turbine Performance With Minimal Geometric Input
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90640
https://doi.org/10.1115/GT2019-90640
View Paper titled, Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90153
https://doi.org/10.1115/GT2019-90153
View Paper titled, Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part II — Mushrooming Damages
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90419
https://doi.org/10.1115/GT2019-90419
View Paper titled, Numerical Investigation on the Vibration of Steam Turbine Main Inlet Control Valves Considering Fluid Force Effects
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91297
https://doi.org/10.1115/GT2019-91297
View Paper titled, Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90644
https://doi.org/10.1115/GT2019-90644
View Paper titled, Effect of Blade Secular Change on Unsteady Flows in Middle Pressure First-Stage Steam Turbines
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90909
https://doi.org/10.1115/GT2019-90909
View Paper titled, Aspects of Creep Fatigue Lifetime Assessment for High Temperature Components With Accumulative Model
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Topics: Creep, Fatigue, High temperature, Damage, Power stations, Stress, Accounting, Constitutive equations, Engineers, Fatigue damage