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Proceedings Papers

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A002, June 13–17, 2022
Paper No: GT2022-78684
https://doi.org/10.1115/GT2022-78684
View Paper titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Computational fluid dynamics, Design, Diffusers
Proceedings Papers

Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization

Norman Kienzle, Duc Huy Marco Hoang, Warren John Martis, Markus Moch, Christian Doetsch, Francesca di Mare
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A017, June 13–17, 2022
Paper No: GT2022-84204
https://doi.org/10.1115/GT2022-84204
View Paper titled, Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization
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Topics: Blades, Compressors, Geometry, Retrofitting, Shape optimization, Design, Diffusers, Flow (Dynamics), Impellers, Optimization
Proceedings Papers

Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller

Michael Casey, Chris Robinson
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A003, June 13–17, 2022
Paper No: GT2022-79368
https://doi.org/10.1115/GT2022-79368
View Paper titled, Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller
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Topics: Compressor impellers, Compressors, Design, Impellers, Flow (Dynamics), Diffusers, Computational fluid dynamics, Stability, Teaching, Vaneless diffusers
Proceedings Papers

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A011, June 13–17, 2022
Paper No: GT2022-82423
https://doi.org/10.1115/GT2022-82423
View Paper titled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Diffusers
Proceedings Papers

New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A046, June 13–17, 2022
Paper No: GT2022-84035
https://doi.org/10.1115/GT2022-84035
View Paper titled, New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology
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Topics: Design, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Diffusers, Turbulence, Flow (Dynamics), Compressors, Computational fluid dynamics, Deformation, Impellers
Proceedings Papers

Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor

Michael Ni, Gregorio Robles Vega, Ron Ho Ni, John Clark, Michael List
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A004, June 13–17, 2022
Paper No: GT2022-78911
https://doi.org/10.1115/GT2022-78911
View Paper titled, Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor
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Topics: Compressors, NASA, Engineering simulation, Simulation, Flow (Dynamics), Annulus, Approximation, Design, Diffusers, Numerical analysis
Proceedings Papers

Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling

Felix Fischer, Jörg Seume
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A002, June 13–17, 2022
Paper No: GT2022-80517
https://doi.org/10.1115/GT2022-80517
View Paper titled, Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling
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Topics: Acoustics, Diffusers, Modeling, Optimization, Turbomachinery, Waves, Design, Reflection, Boundary-value problems, Computer simulation
Proceedings Papers

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 2 – Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A023, June 13–17, 2022
Paper No: GT2022-82686
https://doi.org/10.1115/GT2022-82686
View Paper titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 2 – Correlation With Subcomponent Characteristics
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Topics: Compressors, Diffusers, Stability, Surges
Proceedings Papers

Interaction Mechanism of Impeller and Diffuser Stall in a Centrifugal Compressor

Nobumichi Fujisawa, Momoko Naitou, Yutaka Ohta
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A025, June 13–17, 2022
Paper No: GT2022-82861
https://doi.org/10.1115/GT2022-82861
View Paper titled, Interaction Mechanism of Impeller and Diffuser Stall in a Centrifugal Compressor
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Topics: Compressors, Diffusers, Impellers, Vaneless diffusers
Proceedings Papers

Low Wind Speed Characteristics of an Optimized Diffuser Augmented Wind Turbine

Hazem H. Abdelrahman, Ahmed M. R. Elbaz, Ahmed M. Elkholy
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A010, June 13–17, 2022
Paper No: GT2022-82052
https://doi.org/10.1115/GT2022-82052
View Paper titled, Low Wind Speed Characteristics of an Optimized Diffuser Augmented Wind Turbine
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Topics: Computational fluid dynamics, Diffusers, Wind turbines, Wind velocity, Torque, Turbines, Reynolds-averaged Navier–Stokes equations, Wind, Energy generation, Genetic algorithms
Proceedings Papers

Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Giovanni Ferrara, Alessandro Bianchini, Roberto Bissanti, Palmiro Bissanti
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A020, June 13–17, 2022
Paper No: GT2022-82867
https://doi.org/10.1115/GT2022-82867
View Paper titled, Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
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Topics: Guide vanes, Parametric design, Vertical axis wind turbines, Flow (Dynamics), Simulation, Blades, Design, Engineering simulation, Rotors, Turbines
Proceedings Papers

Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor

Patrick Amstad, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A002, June 13–17, 2022
Paper No: GT2022-78306
https://doi.org/10.1115/GT2022-78306
View Paper titled, Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
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Topics: Compressors, Machine learning, Optimization, Turbochargers, Turbulence, Artificial neural networks, Diffusers, Errors, Flow (Dynamics), Pressure
Proceedings Papers

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 1 – Surge Signature

Fangyuan Lou, Herbert M. Harrison, Nicole L. Key
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A022, June 13–17, 2022
Paper No: GT2022-82682
https://doi.org/10.1115/GT2022-82682
View Paper titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 1 – Surge Signature
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Topics: Compressors, Diffusers, Stability, Surges
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
https://doi.org/10.1115/GT2022-80688
View Paper titled, Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
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Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure
Proceedings Papers

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
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A006, June 13–17, 2022
Paper No: GT2022-80523
https://doi.org/10.1115/GT2022-80523
View Paper titled, Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation
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Topics: Eddies (Fluid dynamics), Pressure, Simulation, Steam turbines, Turbulence, Flow (Dynamics), Unsteady flow, Annulus, Arches, Blades
Proceedings Papers

Parameter Optimization of Combustor Dump Diffuser Based on RSM

Yue Yan, Jianqin Suo, Yanhui Wu
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A027, June 13–17, 2022
Paper No: GT2022-80872
https://doi.org/10.1115/GT2022-80872
View Paper titled, Parameter Optimization of Combustor Dump Diffuser Based on RSM
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Topics: Combustion chambers, Diffusers, Entropy, Optimization, Response surface methodology
Proceedings Papers

Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow

Alessandro Soli, Richard Adoua, Ivan Langella, Paul Denman, Andrew Garmory, Gary J. Page
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A005, June 13–17, 2022
Paper No: GT2022-78404
https://doi.org/10.1115/GT2022-78404
View Paper titled, Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow
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Topics: Combustion chambers, Compressors, Flow (Dynamics), Gas turbines, Wakes, Fuels, Simulation, Combustion systems, Compression, Diffusers
Proceedings Papers

Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability

Yagiz Yalcinkaya, Ogeday E. Bozkurt, Ayse G. Gungor
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A024, June 13–17, 2022
Paper No: GT2022-82517
https://doi.org/10.1115/GT2022-82517
View Paper titled, Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
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Topics: Flames, Pressure gradient, Stability, Vortices, Vorticity, Diffusers, Geometry, Nozzles, Torque, Turbulence
Proceedings Papers

Impact of Compressor and Turbine Operating Range Extension on the Performance of an Electric Turbocharger for Fuel Cell Applications

Sebastian Lück, Markus Schödel, Marco Menze, Jan Göing, Jörg R. Seume, Jens Friedrichs
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A020, June 13–17, 2022
Paper No: GT2022-82974
https://doi.org/10.1115/GT2022-82974
View Paper titled, Impact of Compressor and Turbine Operating Range Extension on the Performance of an Electric Turbocharger for Fuel Cell Applications
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Topics: Compressors, Fuel cell applications, Turbines, Turbochargers, Transients (Dynamics), Diffusers, Nozzles, Surges, Geometry, Machinery
Proceedings Papers

Comprehensive Analysis of a Cycloidal Rotor With Different Types of Blade Profiles

Tomasz Staśko, Mirosław Majkut, Sławomir Dykas, Krystian Smołka
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A015, June 13–17, 2022
Paper No: GT2022-82957
https://doi.org/10.1115/GT2022-82957
View Paper titled, Comprehensive Analysis of a Cycloidal Rotor With Different Types of Blade Profiles
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Topics: Blades, Rotors, HVAC equipment, Aviation, Computational fluid dynamics, Construction, Diffusers, Ducts, Flow (Dynamics), Internal flow