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Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Paper No: GT2022-83262
DOI: https://doi.org/10.1115/GT2022-83262
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A008, June 13–17, 2022
Paper No: GT2022-82255
DOI: https://doi.org/10.1115/GT2022-82255
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Topics: Gasdynamics, Pressure, Turbines, Flow (Dynamics), Engines, Computational fluid dynamics, Pistons, Unsteady flow, Carbon dioxide, Design methodology
Proceedings Papers

Design and Commissioning of the Constant Condition Dynamic Test Rig

Robert Pearce, Michael Tombs, Zahid Hussain
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A003, June 13–17, 2022
Paper No: GT2022-80968
DOI: https://doi.org/10.1115/GT2022-80968
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Topics: Design, Valves, Pressure, Aerospace industry, Aircraft engines, Computational fluid dynamics, Discharge coefficient, Engines, Flow (Dynamics), Pressure drop
Proceedings Papers

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

Vaclav Slama, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A002, June 13–17, 2022
Paper No: GT2022-78969
DOI: https://doi.org/10.1115/GT2022-78969
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Topics: High pressure (Physics), Pressure, Steam turbines, Valves, Flow (Dynamics), Stress, Computer simulation, Computer software, Design, Energy conversion
Proceedings Papers

Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve

Stefan Wallat, Christian Musch, Dieter Brillert
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A007, June 13–17, 2022
Paper No: GT2022-80688
DOI: https://doi.org/10.1115/GT2022-80688
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Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure
Proceedings Papers

Large Eddy Simulation of a Pistonless Constant Volume Combustor: A New Concept of Pressure Gain Combustion

Nicola Detomaso, Davide Laera, Paul Pouech, Florent Duchaine, Thierry Poinsot
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A037, June 13–17, 2022
Paper No: GT2022-81366
DOI: https://doi.org/10.1115/GT2022-81366
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Topics: Combustion, Combustion chambers, Large eddy simulation, Pressure, Cycles, Exhaust systems, Valves, Boundary-value problems, Dynamics (Mechanics), Flames
Proceedings Papers

Automatized Experimental Combustor Development Using Adaptive Surrogate Model-Based Optimization

Johann Moritz Reumschüssel, Philipp Maximilian zur Nedden, Jakob G. R. von Saldern, Thoralf G. Reichel, Bernhard Ćosić, Christian Oliver Paschereit
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 13–17, 2022
Paper No: GT2022-81756
DOI: https://doi.org/10.1115/GT2022-81756
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Topics: Combustion chambers, Optimization, Flames, Emissions, Fuels, Gas turbines, Nitrogen oxides, Stability, Valves, Artificial intelligence
Proceedings Papers

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A015, June 7–11, 2021
Paper No: GT2021-60069
DOI: https://doi.org/10.1115/GT2021-60069
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Topics: Flow (Dynamics), Modeling, Turbines, Pressure, Turbochargers, Computational fluid dynamics, Energy conservation, Engines, Exhaust systems, Internal combustion engines
Proceedings Papers

Uncertainty in High-Pressure Stator Performance Measurement in an Annular Cascade at Engine-Representative Reynolds and Mach

Lakshya Bhatnagar, Guillermo Paniagua, David G. Cuadrado, Papa Aye N. Aye-Addo, Antonio Castillo Sauca, Francisco Lozano, Matthew Bloxham
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A012, June 7–11, 2021
Paper No: GT2021-59702
DOI: https://doi.org/10.1115/GT2021-59702
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Topics: Cascades (Fluid dynamics), Engines, High pressure (Physics), Stators, Uncertainty, Turbines, Calibration, Probes, Uncertainty analysis, Valves
Proceedings Papers

Binary Repetitive Model Predictive Active Flow Control Applied to an Annular Compressor Stator Cascade With Periodic Disturbances

Benjamin Fietzke, Rudibert King, Jan Mihalyovics, Dieter Peitsch
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A003, June 7–11, 2021
Paper No: GT2021-58744
DOI: https://doi.org/10.1115/GT2021-58744
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Topics: Cascades (Fluid dynamics), Compressors, Flow control, Stators, Flow (Dynamics), Pressure, Suction, Combustion, Corners (Structural elements), Disks
Proceedings Papers

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Viktor Yevlakhov, Leonid Moroz, Andrii Khandrymailov, Yuriy Hyrka
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A016, June 7–11, 2021
Paper No: GT2021-59992
DOI: https://doi.org/10.1115/GT2021-59992
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Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature
Proceedings Papers

Steam Turbine Overspeed Scenarios: Comparison Between API Energy Method and Dynamic Simulation

Fabrizio Piras, Federico Bucciarelli, Damaso Checcacci, Filippo Ingrasciotta
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A012, June 7–11, 2021
Paper No: GT2021-59257
DOI: https://doi.org/10.1115/GT2021-59257
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Topics: American Petroleum Institute, Simulation, Steam turbines, Design, Stress, Inertia (Mechanics), Rotors, Turbomachinery, Blades, Dynamic models
Proceedings Papers

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

Stefan Wallat, Stefan Preibisch, Matthias Strauch, Dieter Brillert
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A004, June 7–11, 2021
Paper No: GT2021-58509
DOI: https://doi.org/10.1115/GT2021-58509
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Topics: Steam turbines, Valves, Vibration, Design, Fluctuations (Physics), Pressure, Steam, Oscillations, Stress, Turbines
Proceedings Papers

On Small Scale LNG Concepts

Rainer Kurz, Min Ji, Griffin Beck, Timothy C. Allison
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A006, June 7–11, 2021
Paper No: GT2021-58989
DOI: https://doi.org/10.1115/GT2021-58989
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Topics: Liquefied natural gas, Cycles, Compressors, Preferences, Brayton cycle, Compression, Economics , Equipment performance, Gas turbines, Optimization
Proceedings Papers

Improvement of Surface Cracking Risks by Controlling Dilution of Cobalt-Based Hardfacings

Takashi Yokoyama, Takayuki Kurimura, Noriyuki Sakakibara, Fumiyuki Suzuki
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A003, June 7–11, 2021
Paper No: GT2021-58497
DOI: https://doi.org/10.1115/GT2021-58497
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Topics: Cobalt, Cracking (Materials), Fracture (Process), Steam, Valves
Proceedings Papers

Dynamic Model of Multistage Centrifugal Compressor With a Stage-by-Stage Anti-Surge Recirculating System

Nicola Casari, Michele Pinelli, Alessio Suman, Matteo Manganelli, Mirko Morini, Klaus Brun, Louis Larosiliere, Vishal Jariwala
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A003, June 7–11, 2021
Paper No: GT2021-04273
DOI: https://doi.org/10.1115/GT2021-04273
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Topics: Compressors, Dynamic models, Surges, Flow (Dynamics), Recycling, Design, Energy dissipation, High pressure (Physics), Pressure, Suction
Proceedings Papers

On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings

Luis San Andrés, Bryan Rodríguez
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A004, June 7–11, 2021
Paper No: GT2021-58627
DOI: https://doi.org/10.1115/GT2021-58627
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Topics: Dampers, Seals, Valves
Proceedings Papers

A Steady Transonic Linear Cascade for True Scale Cooling Measurements

Jeremy Zuccarello, David Saltzman, Stephen Lynch, Shane Haydt, Christopher Whitfield
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A001, September 21–25, 2020
Paper No: GT2020-14269
DOI: https://doi.org/10.1115/GT2020-14269
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Topics: Cascades (Fluid dynamics), Cooling, Airfoils, Lasers, Blades, Flow (Dynamics), Glass, Reynolds number, Boundary layers, Chords (Trusses)
Proceedings Papers

Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve

Christian Windemuth, Martin Lange, Ronald Mailach
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A009, September 21–25, 2020
Paper No: GT2020-14632
DOI: https://doi.org/10.1115/GT2020-14632
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Topics: Fluctuations (Physics), Pressure, Steam turbines, Valves, Stress, Flow (Dynamics), Shapes, Boilers, Couplings, Diffusers
Proceedings Papers

Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System

Vaclav Slama, Lukas Mrozek, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A007, September 21–25, 2020
Paper No: GT2020-14474
DOI: https://doi.org/10.1115/GT2020-14474
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Topics: Flow (Dynamics), Fluctuations (Physics), High pressure (Physics), Manufacturing, Pressure, Steam turbines, Valves, Computer simulation, Turbines, Pipelines