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Proceedings Papers

Multi-Objective Numerical Optimization of Radial Turbines

Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A022, June 26–30, 2023
Paper No: GT2023-103918
https://doi.org/10.1115/GT2023-103918
View Paper titled, Multi-Objective Numerical Optimization of Radial Turbines
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Topics: Optimization, Turbines, Design, Geometry, Durability, Inertia (Mechanics), Computational fluid dynamics, Engineering disciplines, Engineering simulation, Finite element analysis
Proceedings Papers

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
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, V08AT21A001, June 13–17, 2022
Paper No: GT2022-77999
https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Jack G. Gaskell, Nikul Vadgama, Florian Y. A. Villain, Simon Beal, Matthew McGilvray, David R. H. Gillespie, Benjamin Littley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A004, June 13–17, 2022
Paper No: GT2022-79511
https://doi.org/10.1115/GT2022-79511
View Paper titled, Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components
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Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage
Proceedings Papers

Hybrid Power Systems: Grid Stability Through Spinning Reserve

G. B. Singh
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T07A011, June 13–17, 2022
Paper No: GT2022-83419
https://doi.org/10.1115/GT2022-83419
View Paper titled, Hybrid Power Systems: Grid Stability Through Spinning Reserve
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Topics: Energy storage, Gas turbines, Hybrid power systems, Inertia (Mechanics), Microgrids, Spin (Aerodynamics), Spinning (Textile), Stability
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
https://doi.org/10.1115/GT2021-59257
View Paper titled, Steam Turbine Overspeed Scenarios: Comparison Between API Energy Method and Dynamic Simulation
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Topics: American Petroleum Institute, Simulation, Steam turbines, Design, Stress, Inertia (Mechanics), Rotors, Turbomachinery, Blades, Dynamic models
Proceedings Papers

Investigation of Unsteady Flow Characteristics in Axial Rim Seal

Lei Xie, Qiang Du, Guang Liu, Zengyan Lian, Ran Ren
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A002, June 7–11, 2021
Paper No: GT2021-58822
https://doi.org/10.1115/GT2021-58822
View Paper titled, Investigation of Unsteady Flow Characteristics in Axial Rim Seal
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Topics: Computational fluid dynamics, Unsteady flow, Flow (Dynamics), Sealing (Process), Cavities, Wheels, Pressure, Vortices, Coriolis force, Inertia (Mechanics)
Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021
Paper No: GT2021-59513
https://doi.org/10.1115/GT2021-59513
View Paper titled, Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches
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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids
Proceedings Papers

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021
Paper No: GT2021-58901
https://doi.org/10.1115/GT2021-58901
View Paper titled, Aeromechanical Optimization of Scalloping in Mixed Flow Turbines
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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers
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
https://doi.org/10.1115/GT2021-59992
View Paper titled, Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes
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Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature
Proceedings Papers

Effect of Accelerating Convergence in Adjoining 1D Domains Having Large Difference in Thermal Time Scales

Tanvi Kaushik, Liangyu Wang, Jaydeep Basani, Fang Xu
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A009, June 7–11, 2021
Paper No: GT2021-59012
https://doi.org/10.1115/GT2021-59012
View Paper titled, Effect of Accelerating Convergence in Adjoining 1D Domains Having Large Difference in Thermal Time Scales
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Topics: Boundary-value problems, Combustion chambers, Cooling systems, Design, Durability, Engineering simulation, Fluids, Gases, Heat conduction, Heat transfer
Proceedings Papers

Design and Optimization of Turbomachinery Components for Parabolic Dish Solar Hybrid Micro Gas Turbine

Maulana Arifin, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A019, September 21–25, 2020
Paper No: GT2020-15270
https://doi.org/10.1115/GT2020-15270
View Paper titled, Design and Optimization of Turbomachinery Components for Parabolic Dish Solar Hybrid Micro Gas Turbine
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Topics: Design, Micro gas turbines, Optimization, Solar energy, Turbomachinery, Computational fluid dynamics, Finite element analysis, Blades, Engineering simulation, Simulation
Proceedings Papers

Pseudo Bond Graph System Modelling of Electric Air Compressors With Energy Recovery for Fuel Cell Applications

Sebastian Lück, Jan Göing, Christoph Bode, Jens Friedrichs
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A015, September 21–25, 2020
Paper No: GT2020-15029
https://doi.org/10.1115/GT2020-15029
View Paper titled, Pseudo Bond Graph System Modelling of Electric Air Compressors With Energy Recovery for Fuel Cell Applications
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Topics: Air compressors, Energy recovery, Fuel cell applications, Modeling, Simulation, Transients (Dynamics), Compressibility, Fluids, Inertia (Mechanics), Machinery
Proceedings Papers

On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions

Luis San Andrés, Xueliang Lu, Bonjin Koo, Scott Tran
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A005, September 21–25, 2020
Paper No: GT2020-14182
https://doi.org/10.1115/GT2020-14182
View Paper titled, On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions
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Topics: Dampers, Damping, Bearings, Lubricants, Rotors, Stiffness, Clearances (Engineering), Flow (Dynamics), Stress, Compressibility
Proceedings Papers

Injection of Kerosene Into a High-Temperature and High-Speed Air Crossflow

Wang Yulan, Mu Yong, Fan Xiongjie, Zhao Qianpeng, Xu Gang
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A067, September 21–25, 2020
Paper No: GT2020-15187
https://doi.org/10.1115/GT2020-15187
View Paper titled, Injection of Kerosene Into a High-Temperature and High-Speed Air Crossflow
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Topics: High temperature, Trajectories (Physics), Air flow, Fuels, Evaporation, Flow (Dynamics), Plumes (Fluid dynamics), Atmospheric pressure, Design, Inertia (Mechanics)
Proceedings Papers

Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture

Luis San Andrés, Bonjin Koo
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A010, June 17–21, 2019
Paper No: GT2019-90330
https://doi.org/10.1115/GT2019-90330
View Paper titled, Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture
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Topics: Dampers, Pressure, Lubricants, Damping, Cycles, Flow (Dynamics), Inertia (Mechanics), Piston rings, Stiffness, Whirls
Proceedings Papers

Compressor Speed Decay During Emergency Shutdowns

Rainer Kurz, Sean Garceau, Min Ji, Klaus Brun
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A002, June 17–21, 2019
Paper No: GT2019-90020
https://doi.org/10.1115/GT2019-90020
View Paper titled, Compressor Speed Decay During Emergency Shutdowns
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Topics: Compressors, Emergencies, Simulation, Trains, Uncertainty, Compression, Damage, Electric motors, Gas turbines, Inertia (Mechanics)
Proceedings Papers

Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor

Richard Morrison, Stephen Spence, Sung In Kim, Thomas Leonard, Andre Starke
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A007, June 17–21, 2019
Paper No: GT2019-90398
https://doi.org/10.1115/GT2019-90398
View Paper titled, Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor
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Topics: Flow (Dynamics), Rotors, Stators, Turbines, Design, Computational fluid dynamics, Turbochargers, Engines, Angular momentum, Automotive industry
Proceedings Papers

Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord

Thomas Leonard, Stephen Spence, Dietmar Filsinger, Andre Starke
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A006, June 17–21, 2019
Paper No: GT2019-90389
https://doi.org/10.1115/GT2019-90389
View Paper titled, Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord
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Topics: Blades, Chords (Trusses), Design, Flow (Dynamics), Rotors, Turbines, Corners (Structural elements), Inertia (Mechanics), Turbochargers, Equipment performance
Proceedings Papers

Impact of Sweeping Jet on Area-Averaged Impingement Heat Transfer

Andrea Osorio, Justin Hodges, Husam Zawati, Erik J. Fernandez, Jayanta S. Kapat, José Rodriguez
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A014, June 17–21, 2019
Paper No: GT2019-91897
https://doi.org/10.1115/GT2019-91897
View Paper titled, Impact of Sweeping Jet on Area-Averaged Impingement Heat Transfer
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Topics: Heat transfer, Disks, Temperature, Copper, Design, Energy budget (Physics), Feedback, Flow (Dynamics), Inertia (Mechanics)
Proceedings Papers

Multi Objective Optimization of Flexible Supercritical CO2 Coal-Fired Power Plants

Dario Alfani, Marco Astolfi, Marco Binotti, Stefano Campanari, Francesco Casella, Paolo Silva
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A027, June 17–21, 2019
Paper No: GT2019-91789
https://doi.org/10.1115/GT2019-91789
View Paper titled, Multi Objective Optimization of Flexible Supercritical CO2 Coal-Fired Power Plants
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Topics: Coal, Pareto optimization, Power stations, Supercritical carbon dioxide, Design, Energy generation, Inertia (Mechanics), Tradeoffs, Boiler tubes, Climate