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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
DOI: 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
DOI: https://doi.org/10.1115/GT2022-84204
View Paper titled, Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization
Click here to open pdf in another window PDF for Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization
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
DOI: 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
DOI: 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
DOI: https://doi.org/10.1115/GT2022-84035
View Paper titled, New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology
Click here to open pdf in another window PDF for New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology
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
DOI: 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
DOI: https://doi.org/10.1115/GT2022-80517
View Paper titled, Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling
Click here to open pdf in another window PDF for Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling
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
DOI: 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
Click here to open pdf in another window PDF for Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part 2 – Correlation With Subcomponent Characteristics
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
DOI: https://doi.org/10.1115/GT2022-82861
View Paper titled, Interaction Mechanism of Impeller and Diffuser Stall in a Centrifugal Compressor
Click here to open pdf in another window PDF for Interaction Mechanism of Impeller and Diffuser Stall in a Centrifugal Compressor
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
DOI: 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
DOI: 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
Click here to open pdf in another window PDF for Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
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
DOI: 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
Click here to open pdf in another window PDF for Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
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
DOI: 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
DOI: 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
Click here to open pdf in another window PDF for Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
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
DOI: 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
Click here to open pdf in another window PDF for Analysis of Turbulent Effects in a Low-Pressure Model Steam Turbine Operating Under Various Operating Conditions Using Detached Eddy Simulation
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
DOI: https://doi.org/10.1115/GT2022-80872
View Paper titled, Parameter Optimization of Combustor Dump Diffuser Based on RSM
Click here to open pdf in another window PDF for Parameter Optimization of Combustor Dump Diffuser Based on RSM
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
DOI: https://doi.org/10.1115/GT2022-78404
View Paper titled, Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow
Click here to open pdf in another window PDF for Effect of Compressor Unsteady Wakes on a Gas Turbine Combustor Flow
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
DOI: https://doi.org/10.1115/GT2022-82517
View Paper titled, Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
Click here to open pdf in another window PDF for Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
Topics: Flames, Pressure gradient, Stability, Vortices, Vorticity, Diffusers, Geometry, Nozzles, Torque, Turbulence
Proceedings Papers

Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations

Ravi Nath Tiwari, Konstantinos Eleftheriou, Mario Luigi Ferrari, Theofilos Efstathiadis, Alberto Traverso, Anestis Kalfas
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A005, June 13–17, 2022
Paper No: GT2022-80167
DOI: https://doi.org/10.1115/GT2022-80167
View Paper titled, Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations
Click here to open pdf in another window PDF for Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations
Topics: Compressors, Diffusers, Disks, Space, Turbomachinery
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
DOI: 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