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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition
June 13–17, 2022
Rotterdam, Netherlands
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-8598-7
Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine

Front Matter

GT2022 Front Matter
GT 2022; V002T00A001https://doi.org/10.1115/GT2022-FM2
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Coal, Biomass, Hydrogen, and Alternative Fuels

Additive Manufacturing Versus Investment Casting for a Gas Turbine Component: a Social Life Cycle Comparison
Angela Serra, Sergio Gandini, Simone Colantoni, Giulio Buia, Luca Fantaccione, Pietro Bartocci, Francesco Fantozzi
GT 2022; V002T03A001https://doi.org/10.1115/GT2022-77981
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Topics: Additive manufacturing , Cycles , Gas turbines , Investment casting (Process) , Investment castings , Life cycle assessment , Sustainability
Effects on Sustainability by Redesign of a 1° Stage Gas Turbine Nozzle Ring From Investment Casting to Additive Manufacturing: A Life Cycle Environmental Impact Comparison
Luca Fantaccione, Angela Serra, Giulio Buia, Pietro Bartocci, Sergio Gandini, Francesco Fantozzi
GT 2022; V002T03A002https://doi.org/10.1115/GT2022-78256
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Topics: Additive manufacturing , Carbon , Cycles , Gas turbines , Investment casting (Process) , Investment castings , Nozzles , Sustainability
Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures
Mohsen Broumand, Murray J. Thomson, Sean Yun, Zekai Hong
GT 2022; V002T03A003https://doi.org/10.1115/GT2022-80430
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Topics: Sprays , Density , Drops , Fluids , Lasers , Momentum , Viscosity , Chemical reactions , Combustion , Computer simulation
Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach
Yu Xia, Ishan Verma, Pravin Nakod, Rakesh Yadav, Stefano Orsino, Shaoping Li
GT 2022; V002T03A004https://doi.org/10.1115/GT2022-80733
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Topics: Computer simulation , Flamelet generated manifold , Flames , Hydrogen , Flow (Dynamics) , Temperature , Combustion , Engineering simulation , Fuels , Simulation
Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers
Ghislain Madiot, S. V. Mahmoodi-Jezeh, Stefan Tüchler, Mark Davidson, Pejman Akbari, Colin D. Copeland
GT 2022; V002T03A005https://doi.org/10.1115/GT2022-80865
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Topics: Computer simulation , Hydrogen , Methane , Pyrolysis , Shock (Mechanics) , Shock waves , Waves , Cycles , Pressure gradient , Boundary-value problems
An Innovative Concept for the Complete and Low-NOx Combustion of Non-Carbon Eco-Fuels Using a Thermo-Acoustically-Driven, Hydrogen-Powered Pilot Stage
Nina Paulitsch, Fabrice Giuliani, Andrea Hofer, Johannes Hofer, Lukas Andracher
GT 2022; V002T03A006https://doi.org/10.1115/GT2022-80886
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Topics: Acoustics , Carbon , Combustion , Fuels , Hydrogen , Flames , Actuators , Pollution , Turbulence , Climate change
Demonstration of Natural Gas and Hydrogen Co-Combustion in an Industrial Gas Turbine
Hannes Laget, Peter Griebel, Luc Gooren, Fabian Hampp, Nicolas Jouret, Oliver Lammel
GT 2022; V002T03A007https://doi.org/10.1115/GT2022-80924
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Topics: Co-firing , Hydrogen , Industrial gases , Natural gas , Turbines
Autoignition Delay Time Measurements and Chemical Kinetic Modeling of Hydrogen/Ammonia/Natural Gas Mixtures
Jessica B. Baker, Ramees K. Rahman, Michael Pierro, Jacklyn Higgs, Justin Urso, Cory Kinney, Subith Vasu
GT 2022; V002T03A008https://doi.org/10.1115/GT2022-81004
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Topics: Delays , Hydrogen , Ignition delay , Modeling , Natural gas , Shock tubes
Analysis of the NOx Emissions Deriving From Hydrogen/Air Combustion in a Swirling Non-Premixed Annular Micro-Combustor
Luca Mazzotta, Francesca Di Gruttola, Orlando Palone, Gabriele Guglielmo Gagliardi, Domenico Borello
GT 2022; V002T03A009https://doi.org/10.1115/GT2022-81131
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Topics: Combustion , Combustion chambers , Emissions , Hydrogen , Nitrogen oxides , Swirling flow
Methanol Production by a Chemical Looping Cycle Using Blast Furnace Gases
Orlando Palone, Arian Hoxha, Gabriele Guglielmo Gagliardi, Francesca Di Gruttola, Domenico Borello
GT 2022; V002T03A010https://doi.org/10.1115/GT2022-82154
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Topics: Blast furnaces , Cycles , Gases , Iron and steel mill construction , Methanol
A Detailed Modelling of Deposition on Superheater Tubes to Enhance Boiler Flexibility
Dhinesh Thanganadar, Nigel Simms, Kumar Patchigolla, Stefano Mori, Anand Kulkarni
GT 2022; V002T03A011https://doi.org/10.1115/GT2022-82282
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Topics: Biomass , Boilers , Co-firing , Modeling , Superheaters
Turbulent Combustion Modeling of Swirl Stabilized Blended CH4/H2 Flames by Using Flamelet Generated Manifold
Ishan Verma, Rakesh Yadav, Sourabh Shrivastava, Pravin Nakod
GT 2022; V002T03A012https://doi.org/10.1115/GT2022-82583
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Topics: Combustion , Flamelet generated manifold , Flames , Methane , Modeling , Turbulence
Numerical Study of Methane Pyrolysis Inside a Single-Channel Shock Wave Reformer
S. V. Mahmoodi-Jezeh, Stefan Tüchler, Ghislain Madiot, Mark Davidson, Pejman Akbari, Colin D. Copeland
GT 2022; V002T03A013https://doi.org/10.1115/GT2022-82683
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Topics: Methane , Pyrolysis , Rotors , Shock waves , Turbulence , Waves
Numerical Performance Study of Adsorption Based Hydrogen Storage System in Silica Aerogel
Adil Riahi, Sara Algurab, Marcel Otto, Erik Fernandez, Jayanta Kapat, Joshua Schmitt, Swati Saxena
GT 2022; V002T03A014https://doi.org/10.1115/GT2022-82711
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Topics: Energy storage , Hydrogen , Hydrogen storage , Desorption , Storage , Temperature , Aircraft , Carbon , Computational fluid dynamics , Economics
Performance of FGM in Bluff-Body Stabilized H2-CO Diffusion Flame
Jesse W. Hofsteenge, Jim B. W. Kok
GT 2022; V002T03A015https://doi.org/10.1115/GT2022-82937
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Topics: Diffusion flames , Flamelet generated manifold , Combustion , Syngas , Computer simulation , Diffusion (Physics) , Engineering simulation , Flames , Fuels , Hydrogen
A Study on Fundamental Combustion Properties of Trimethyl Orthoformate: Experiments and Modeling
John Mbũrũ Ngũgĩ, Sandra Richter, Marina Braun-Unkhoff, Clemens Naumann, Uwe Riedel
GT 2022; V002T03A016https://doi.org/10.1115/GT2022-83029
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Topics: Biofuel , Combustion , Ethers (Class of compounds) , Flames , Fuels , Ignition delay , Modeling , Soot , Carbon , High temperature
An Upgraded Chemical Kinetic Mechanism for ISO-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames
Astrid Ramirez Hernandez, Trupti Kathrotia, Torsten Methling, Marina Braun-Unkhoff, Uwe Riedel
GT 2022; V002T03A017https://doi.org/10.1115/GT2022-83053
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Topics: Diffusion flames , Flames , Oxidation , Ignition delay , Soot , Combustion , Gasoline , Ignition , Jet engines , Jet fuels
Sensitivity Study on Species Diffusion Models in Turbulent Combustion of Hydrogen/air Jet in Crossflow Structure
Xiaoxiao Sun, Harry Martin, Pierre Gauthier, Bobby Sethi
GT 2022; V002T03A018https://doi.org/10.1115/GT2022-83097
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Topics: Air jets , Combustion , Diffusion (Physics) , Hydrogen , Turbulence , Flames , Reynolds-averaged Navier–Stokes equations , Flamelet generated manifold , Functionally graded materials , Temperature
Validation and Assessment of a Numerical Methodology for Turbulent Liquid Fuel Jets in High-Speed Crossflow
Malika Zghal, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi
GT 2022; V002T03A019https://doi.org/10.1115/GT2022-83166
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Topics: Computational fluid dynamics , Fuels , Gas turbines , Jets , Turbulence
Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode
Silvia Ravelli
GT 2022; V002T03A020https://doi.org/10.1115/GT2022-83250
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Topics: Combined cycles , Exhaust gas recirculation , Gas turbines , Hydrogen , Stress
IDAES Platform for Evaluating Thermal Energy Storage for Coal-Fired Indirect sCO2 Power Cycles
Joshua Schmitt, Fernando Karg Bulnes, Anoop Mathur
GT 2022; V002T03A021https://doi.org/10.1115/GT2022-83379
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Topics: Coal , Thermal energy storage , Thermodynamic power cycles , Temperature , Flow (Dynamics) , Modeling , Steady state , Chemical processes , Combustion , Computer software
A Method to Describe the Alignment Between Renewable Power Supply and Demand in Order to Derive Storage Needs
Arnd Reichert
GT 2022; V002T03A022https://doi.org/10.1115/GT2022-84236
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Topics: Renewable energy , Storage , Supply and demand
Ammonia as an Aircraft Fuel: Thermal Assessment From Airport to Wake
Marcel Otto, Ladislav Vesely, Jayanta Kapat, Michael Stoia, Nicholas D. Applegate, Greg Natsui
GT 2022; V002T03A023https://doi.org/10.1115/GT2022-84359
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Topics: Aircraft , Fuels , Wakes , Aviation , Emissions , Hydrogen , Cooling , Biofuel , Carbon , Compressors

Controls, Diagnostics, and Instrumentation

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O3KID) Algorithm
Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann
GT 2022; V002T05A001https://doi.org/10.1115/GT2022-80650
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Topics: Algorithms , Filters , Modeling , Dynamics (Mechanics) , Noise (Sound) , Combustion , Kalman filters , Combustion chambers , Damping , Gas turbines
Explainable and Interpretable AI-Assisted Remaining Useful Life Estimation for Aeroengines
Georgios Protopapadakis, Asteris Apostolidis, Anestis I. Kalfas
GT 2022; V002T05A002https://doi.org/10.1115/GT2022-80777
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Topics: Service life (Equipment) , Maintenance , Algorithms , Artificial intelligence , Artificial neural networks , Cycles , Databases , Engines , Feature selection , Flight
Design and Commissioning of the Constant Condition Dynamic Test Rig
Robert Pearce, Michael Tombs, Zahid Hussain
GT 2022; V002T05A003https://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
Blade Health Monitoring System for Gas Turbines Subjected to Contaminated Air
Kamel Tayebi, Abdurrahman Khalidi, Alaaeldin Dawood
GT 2022; V002T05A004https://doi.org/10.1115/GT2022-81124
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Topics: Blades , Gas turbines , Monitoring systems , Failure , Fracture (Materials) , Compressors , Contamination , Corrosion , Damage , Engines
Particle Image Velocimetry in a High-Speed Short-Duration Turbine Rig
Mizuki Okada, Jorge Pinho, Bogdan Cernat, Sergio Lavagnoli
GT 2022; V002T05A005https://doi.org/10.1115/GT2022-81271
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Topics: Particulate matter , Turbines , Rotors , Probes , Blades , Flow (Dynamics) , Lasers , Chords (Trusses) , Drops , Endoscopes
Real Time Precursor Calculation for the Early Detection of Combustion Instabilities
R. Meloni, N. Giannini
GT 2022; V002T05A006https://doi.org/10.1115/GT2022-81310
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Topics: Combustion , Algorithms , Combustion chambers , Engines , Gas turbines , Pressure , Signals , Acoustics , Control systems , Emissions
Hot-Wire Anemometry in High Subsonic Organic Vapor Flows
Leander Hake, Stephan Sundermeier, Leon Cakievski, Joshua Bäumer, Stefan aus der Wiesche, Camille Matar, Paola Cinnella, Xavier Gloerfelt
GT 2022; V002T05A007https://doi.org/10.1115/GT2022-81686
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Topics: Calibration , Flow (Dynamics) , Organic Rankine cycle , Vapors , Wire
Acoustic Localisation of High-Pressure Burst in a Confined Space
David Bacci, Peter Ireland, Zahid Hussain
GT 2022; V002T05A008https://doi.org/10.1115/GT2022-81744
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Topics: Acoustics , High pressure (Physics) , Pipes , Turbofans
Experimental Investigation on the Accuracy of Blade Tip Timing Spectral Analysis Methods
Zhicheng Xiao, Yiming Meng, Hua Ouyang
GT 2022; V002T05A009https://doi.org/10.1115/GT2022-81965
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Topics: Blades , Emission spectroscopy , Fourier transforms , Spectroscopy , Vibration
Comparing Different Schemes in a Combined Technique of Kalman Filter, Artificial Neural Network and Fuzzy Logic for Gas Turbines Online Diagnostics
Simone Togni, Theoklis Nikolaidis, Suresh Sampath
GT 2022; V002T05A010https://doi.org/10.1115/GT2022-82037
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Topics: Artificial neural networks , Failure , Filtration , Fuzzy logic , Gas turbines , Kalman filters
Method of Analysis for Impact of Input Uncertainty Error Propagation in a Highly Nonlinear System: Applied to Modern Aircraft Engine
Timothy Castaldo
GT 2022; V002T05A011https://doi.org/10.1115/GT2022-82219
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Topics: Aircraft engines , Errors , Nonlinear systems , Uncertainty
Development of a Test Article for Acoustic Streaming in High-Speed Flow
Iman Rahbari, Michael Butzen, James Twaddle, Guillermo Paniagua
GT 2022; V002T05A012https://doi.org/10.1115/GT2022-82344
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Topics: Acoustics , Flow (Dynamics) , Schlieren methods
Transient Engine Condition Monitoring of Micro Gas Turbines in a Highly Dynamic Setting
Tihomir Varchev, Matthias Weiss, Stephan Staudacher, Christian Koch
GT 2022; V002T05A013https://doi.org/10.1115/GT2022-82377
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Topics: Condition monitoring , Engines , Micro gas turbines , Transients (Dynamics) , Flight , Artificial neural networks , Flow (Dynamics) , Measurement uncertainty , Noise (Sound) , Wavelets
Comparative Study of Two Data-Driven Gas Path Fault Quantification Methods for a Single-Shaft Gas Turbine
Shuocheng Xia, Zhongran Chi, Shusheng Zang
GT 2022; V002T05A014https://doi.org/10.1115/GT2022-82406
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Topics: Gas turbines
Vane-Probe Interactions in Transonic Flows
A. F. M. Torre, M. Patinios, G. Lopes, L. Simonassi, S. Lavagnoli
GT 2022; V002T05A015https://doi.org/10.1115/GT2022-82549
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Topics: Probes , Transonic flow
Secure Embedded Distributed Control and Instrumentation Architecture for Aircraft Propulsion Systems: Framework, Process, Methods, Challenges, and Opportunities
Alireza R. Behbahani, John J. Costello, Mehrdad Pakmehr, Richard J. Skertic
GT 2022; V002T05A016https://doi.org/10.1115/GT2022-82644
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Topics: Aerodynamics , Aerospace industry , Aircraft , Aircraft propulsion , Architecture , Computer security , Control equipment , Control systems , Cyber-attacks , Design
Analytical Methods for Transonic Compressor Rotor Blade Tip Clearance Measurements Using Capacitive Probes
David Magno, Anthony Gannon, Walter Smith, Garth Hobson
GT 2022; V002T05A017https://doi.org/10.1115/GT2022-82750
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Topics: Analytical methods , Blades , Clearances (Engineering) , Compressors , Fast Fourier transforms , Probes , Rotors
Highly Time Resolved, Combined Temperature and Heat Flux Measurement Technique Based on ALTP Sensors
Konstantin Huber, Tim Rödiger
GT 2022; V002T05A018https://doi.org/10.1115/GT2022-82873
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Topics: Heat flux , Sensors , Temperature , Signals , Air jets , Density , Emission spectroscopy , Heat transfer coefficients , Signal to noise ratio , Spectroscopy
Representation of Components Characteristics Under Performance Degradation of Gas Turbine Engine
Zhen Jiang, Xi Wang, Shubo Yang, Jiashuai Liu, Huairong Chen
GT 2022; V002T05A019https://doi.org/10.1115/GT2022-83001
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Topics: Digital twin , Dimensions , Engines , Gas turbines , Mirrors , Modeling , Pressure
A GTC-CGC Health Assessment Method for Gas Turbine Engine
Ran Ao, Yunpeng Cao, Junqi Luan, Xiaoyu Han, Shuying Li, Li Yan
GT 2022; V002T05A020https://doi.org/10.1115/GT2022-83076
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Topics: Gas turbines , Service life (Equipment)
Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows
Hunter D. Nowak, Federico Lluesma-Rodriguez, Iman Rahbari, John P. Clark, Guillermo Paniagua
GT 2022; V002T05A021https://doi.org/10.1115/GT2022-83152
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Topics: Boundary layers , Flow (Dynamics) , Internal flow , Separation (Technology) , Computational fluid dynamics , Energy generation , Flight , Flow control , Flow separation , Reynolds number
A New Health Evaluation Approach for Gas Turbine Using Its Component Performance Parameters
Junqi Luan, Yunpeng Cao, Ran Ao, Xiaoyu Han, Shuying Li
GT 2022; V002T05A022https://doi.org/10.1115/GT2022-83233
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Topics: Gas turbines
Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications
Peter Warren, Nandhini Raju, Milos Krsmanovic, Hossein Ebrahimi, Jayanta Kapat, Ramesh Subramanian, Ranajay Ghosh
GT 2022; V002T05A023https://doi.org/10.1115/GT2022-83418
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Topics: Additive manufacturing , Ceramics , Gas turbines , Machine learning , Shrinkage (Materials) , Sintering , Ovens , Computer-aided design , Computer software , Dimensions
Nonlinear Surrogate Models for Gas Turbine Diagnosis
Igor Loboda, Iván González Castillo, Sergiy Yepifanov, Roman Zelenskyi
GT 2022; V002T05A024https://doi.org/10.1115/GT2022-83550
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Topics: Gas turbines , Polynomials
Bearing Diagnostics Using Kurtosis Spectral Correlation Based on Cyclic Modulation Spectrum Estimation
Alexandre Mauricio, Konstantinos Gryllias
GT 2022; V002T05A025https://doi.org/10.1115/GT2022-83600
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Topics: Bearings , Signals , Transients (Dynamics) , Breakdown (Electricity) , Damage , Filters , Fourier transforms , Machine components , Maintenance , Noise (Sound)

Steam Turbine

Development of a Dynamic Turbine Expansion Model Using a Paired Thermofluid and FEA Methodology
Michael Ross, Wim Fuls
GT 2022; V002T20A001https://doi.org/10.1115/GT2022-78258
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Topics: Finite element analysis , Modeling , Steam turbines , Thermofluids , Turbines , Temperature , Clearances (Engineering) , Coal , Nozzles , Power stations
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
GT 2022; V002T20A002https://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
History of Steam Expansion Machines Seen as Polytropic Efficiency Achievements
Hans E. Wettstein
GT 2022; V002T20A003https://doi.org/10.1115/GT2022-79398
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Topics: Machinery , Steam , Steam turbines
Experimental and Numerical Investigations of the Non-Equilibrium Condensation on the Performance and the Flow Pattern in Steam Turbine
Soichiro Tabata, Kiyoshi Segawa, Tadashi Takahashi, Jin Aoyagi
GT 2022; V002T20A004https://doi.org/10.1115/GT2022-80191
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Topics: Condensation , Equilibrium (Physics) , Flow (Dynamics) , Steam turbines , Pressure , Computational fluid dynamics , Modeling , Turbines , Temperature
Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load
Oliver Pütz
GT 2022; V002T20A005https://doi.org/10.1115/GT2022-80368
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Topics: Flow (Dynamics) , Pressure , Steam turbines , Stress , Transients (Dynamics)
Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation
Ilgit Ercan, Damian M. Vogt
GT 2022; V002T20A006https://doi.org/10.1115/GT2022-80523
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Topics: Eddies (Fluid dynamics) , Pressure , Simulation , Steam turbines , Turbulence , Flow (Dynamics) , Unsteady flow , Annulus , Arches , Blades
Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
Stefan Wallat, Christian Musch, Dieter Brillert
GT 2022; V002T20A007https://doi.org/10.1115/GT2022-80688
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Topics: Generators , Steam turbines , Valves , Vortices , Acoustics , Excitation , Cavities , Flow (Dynamics) , Diffusers , Pressure
Flow Through a Steam Turbine Cascade With a Single Damaged Blade: Effect of Blade Height on Loss and Outflow Angle Distribution
Michael Schmalacker, Leon Cakievski, Stefan aus der Wiesche, Markus Schatz
GT 2022; V002T20A008https://doi.org/10.1115/GT2022-80950
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Topics: Blades , Cascades (Fluid dynamics) , Damage , Flow (Dynamics) , Leakage , Outflow , Steam turbines
Numerical Modeling of Water Droplets in Compressible Two-Phase Flows Based on Eulerian-Eulerian Method
Takashi Furusawa, Yasuhiro Sasao, Ryo Takata, Hironori Miyazawa, Satoru Yamamoto
GT 2022; V002T20A009https://doi.org/10.1115/GT2022-81246
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Topics: Computer simulation , Drops , Flow (Dynamics) , Two-phase flow , Water
Experimental and Numerical Assessment of Liquid Film Thickness Under High-Speed Gas Flow
Takayuki Okui, Shunsuke Mizumi, Soichiro Tabata, Yuki Mizushima, Toshiyuki Sanada
GT 2022; V002T20A010https://doi.org/10.1115/GT2022-81891
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Topics: Computational fluid dynamics , Fibers , Flow (Dynamics) , Gas flow , Liquid films , Probes , Two-phase flow
Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection
Tommaso Diurno, Antonio Andreini, Bruno Facchini, Nicola Maceli, Lorenzo Arcengeli
GT 2022; V002T20A011https://doi.org/10.1115/GT2022-81921
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Topics: Computational fluid dynamics , Exhaust systems , Flow (Dynamics) , Rotors , Steam turbines , Stress , Vibration
Thermal Bowing of Steam Turbine Shafts: Prediction Methods and Field Data Matching
Rama Raju Vegesna, Damaso Checcacci, Gabriele Girezzi
GT 2022; V002T20A012https://doi.org/10.1115/GT2022-82389
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Topics: Steam turbines
Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence
Lorenzo Pinelli, Filippo Mariotti, Andrea Arnone, Michele Marconcini, Lorenzo Arcangeli, Lorenzo Ciuchicchi, Nicola Maceli
GT 2022; V002T20A013https://doi.org/10.1115/GT2022-82405
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Topics: Blades , Flow (Dynamics) , Flutter (Aerodynamics) , Rotors , Steam turbines , Stress , Vibration
CFD Analysis of the Forces on a Steam Turbine Balance Seal Packing Ring
Cosimo Bianchini, Riccardo Da Soghe, Davide Bertini, Lorenzo Mazzei, Lorenzo Arcangeli, Lorenzo Cosi
GT 2022; V002T20A014https://doi.org/10.1115/GT2022-82896
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Topics: Computational fluid dynamics , Packings (Cushioning) , Steam turbines
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