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Keywords: steam turbine
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Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103823
... wear is higher than for other contact seals, so that further investigations are necessary before use in practice is feasible. radially adaptive seal steam turbine seal aerodynamics compressed air experiment seal-shaft wear-in Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104100
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-104100 INFLUENCE OF A RIB IN THE DIFFUSER OF A LOW-PRESSURE STEAM TURBINE ON AERODYNAMIC EXCITATION AT PART LOAD OPERATION Philipp Doll1 Fabian F...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103401
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103401 STEAM TURBINE DEVELOPMENT FOR SMALL MODULAR REACTORS Suman Ray GE Steam Power Baden, Switzerland ABSTRACT Introduction of Small Modular Reactor...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101624
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-101624 CALCULATION OF THERMODYNAMIC WETNESS LOSS IN STEAM TURBINES USING CFD SIMULATION Michal Hoznedl Doosan koda Power Pilsen, Czech Republic Michal...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103951
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103951 AERODYNAMIC PARAMETRIZATION OF LAST STAGE STEAM TURBINE BLADES Stefan Schippling , Christopher Fuhrer, Damian M. Vogt ITSM - Institute of Thermal...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103637
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103637 EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF STEAM EXPANSION RATE IN LOW PRESSURE STEAM TURBINE Soichiro Tabata Mitsubishi Heavy Industries, Ltd...
Proceedings Papers

Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103882
... Grebinnyk Sulzer La Porte, TX ABSTRACT Diaphragms are used in steam turbines to regulate the flow of the steam to the rotating blades. The regulation or the change of flow direction is to increase the efficiency of the turbine. Though diaphragms are non- rotating parts, they may experience elevated...
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101100
... cooling and improved system performance. A novel SOFC system with energy cascade utilization is also proposed using cooling water as the working fluid for a steam turbine. Water cooling for the SOFC stack cooling reduced the stack power and efficiency but significantly reduced the power consumption...
Proceedings Papers

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82208
... the maximum forced response at part-speed conditions. intentional mistuning blade vibration flutter forced response steam turbine Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82208 APPLICATION...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82405
... Abstract The present paper is part of a two-part publication that aims to numerically investigate the occurrence of flow induced vibrations in a steam turbine last stage rotor at low load operations. Experimental and numerical investigations at low load operations are gaining interest...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82389
... Abstract The availability of steam turbines for prompt start-up, especially from hot or warm conditions, relies on the correct conditions for turbine cooldown, involving both the external casing and the shaft. While several works are available about the prediction and optimization of cooling...
Topics: Steam turbines
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80950
... Abstract Flow measurements were made in a steam turbine cascade with a single blade of reduced height modeling a blade damage. In the experiments, the height of the single blade varied from full span (i.e., no tip clearance) up to totally removing the blade. The experimental investigation...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80368
... Abstract Due to the increasing need for operational flexibility nowadays, the low-pressure (LP) steam turbine might face widely variable operation conditions up to extreme low volume flow situations. Hereby, rotating instabilities (RIS), well known from compressor aerodynamics, can initiate non...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82896
... Abstract In high-pressure single flow Steam Turbines, sealing of the radial gap between rotating and stationary parts in the front end of the turbine is a known design challenge. A traditional solution to control and reduce the leakages between the stationary and rotating parts in that area...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78258
... turbine modelling methodology to predict the radial and axial clearances within a 600MW candidate steam turbine during a full cold start procedure. This study formulates a method for sizing and modelling a representative turbine with limited OEM input through the implementation of the Nozzle Analogy...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79829
... Abstract Blade Vibration Monitoring techniques were employed at an operating power-generating steam turbine to measure and analyze blade vibrations and monitor turbine blade health. The blade row of interest was the last row of freestanding low-pressure turbine blades that had a known history...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58698
...-series data is required. However, data for various blade conditions must be collected from actual operating steam turbines. Further, obtaining abnormal or failure data is difficult. Thus, this paper proposes a classification approach to analyze big time-series data alternatively collected from numerical...