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Proceedings Papers

Unsteady Flow Development and Reynolds Stress Measurements in a Centrifugal Compressor Vaned Diffuser

Matthew A. Meier, William J. Gooding, Nicole L. Key
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125827
https://doi.org/10.1115/GT2024-125827
View Paper titled, Unsteady Flow Development and Reynolds Stress Measurements in a Centrifugal Compressor Vaned Diffuser
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Topics: Compressors, Computational fluid dynamics, Diffusers, Reynolds stress, Unsteady flow
Proceedings Papers

Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?

Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124021
https://doi.org/10.1115/GT2024-124021
View Paper titled, Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?
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Topics: Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Pressure, Probes, Testing
Proceedings Papers

Investigating the Performance of Multi Element Wind Lens

Kareem Elsafty, Ahmed Elbaz
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128215
https://doi.org/10.1115/GT2024-128215
View Paper titled, Investigating the Performance of Multi Element Wind Lens
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Topics: Computational fluid dynamics, Diffusers, Lenses (Optics), Wind, Wind turbines, Flow (Dynamics), Design, Wind velocity, Drag (Fluid dynamics), Rotors
Proceedings Papers

Effect of Gerlach Cross-Section on S-Duct Inlet Performance in High Subsonic Flow

Benjamin D. Frosst, Asad Asghar, William D. E. Allan, Robert A. Stowe, Rogerio Pimentel, Grant Ingram, Timothy Orchard
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A062, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129341
https://doi.org/10.1115/GT2024-129341
View Paper titled, Effect of Gerlach Cross-Section on S-Duct Inlet Performance in High Subsonic Flow
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Topics: Diffusers, Ducts, Subsonic flow
Proceedings Papers

Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Federico Reggio, Alberto Traverso, Vishnu Sishtla
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125074
https://doi.org/10.1115/GT2024-125074
View Paper titled, Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor
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Topics: Compressors, Diffusers, Heat pumps, Surges
Proceedings Papers

Film Cooling and Thermal Performances of a Blade Tip Winglet Operated in an Annular Test Rig and a Test Gas Turbine Power Plant

Shailendra Naik, Marc Henze, Manuel Wilhelm, Heinz-Peter Schiffer
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128684
https://doi.org/10.1115/GT2024-128684
View Paper titled, Film Cooling and Thermal Performances of a Blade Tip Winglet Operated in an Annular Test Rig and a Test Gas Turbine Power Plant
Open the PDF for Film Cooling and Thermal Performances of a Blade Tip Winglet Operated in an Annular Test Rig and a Test Gas Turbine Power Plant in another window
Topics: Blades, Film cooling, Gas turbines, Power stations, Metals, Turbines, Airfoils, Coolants, Cooling, Pressure
Proceedings Papers

CFD Simulation of an S-Bend Diffuser With Passive Full Surface Effusion Cooling: Novel Slot Method Approach

Hossein Moradi, Albrecht Michael Birk
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125187
https://doi.org/10.1115/GT2024-125187
View Paper titled, CFD Simulation of an S-Bend Diffuser With Passive Full Surface Effusion Cooling: Novel Slot Method Approach
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Topics: Computational fluid dynamics, Cooling, Diffusers, Pressure, Reynolds-averaged Navier–Stokes equations, Simulation
Proceedings Papers

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Kelsey E. McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122559
https://doi.org/10.1115/GT2024-122559
View Paper titled, Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes
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Topics: Additive manufacturing, Film cooling, Flow (Dynamics), Turbine blades, Blades, Surface roughness, Cooling, Electrical discharge machining, Manufacturing, Casting
Proceedings Papers

Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Jack T. Clement, Adam T. Coon, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT23A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125236
https://doi.org/10.1115/GT2024-125236
View Paper titled, Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor
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Topics: Additive manufacturing, Compressors, Diffusers, Diffusion (Physics)
Proceedings Papers

Research on Effect of Endwall Contouring of Vane Diffuser on Stable Operating Range of Centrifugal Compressor

Qin Cui, Guoliang Qin, Jian Lei, Yi Wang, Cheng Jia
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124444
https://doi.org/10.1115/GT2024-124444
View Paper titled, Research on Effect of Endwall Contouring of Vane Diffuser on Stable Operating Range of Centrifugal Compressor
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Topics: Compressors, Diffusers
Proceedings Papers

Analysis of Flow Fields in a Steam Turbine Control Valve With One Chamber

Vaclav Slama, Bartolomej Rudas
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122777
https://doi.org/10.1115/GT2024-122777
View Paper titled, Analysis of Flow Fields in a Steam Turbine Control Valve With One Chamber
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Topics: Flow (Dynamics), Steam turbines, Valves, Computer simulation, Pressure, Computer software, Design, Diffusers, Geometry, Industrial research
Proceedings Papers

Framework for Machine Learning-Based Turbulence Modeling to Accurately Predict the Complex Flows in Gas Turbines

Robert F. Blumenthal, Michal Siorek, Sunil Patil
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128443
https://doi.org/10.1115/GT2024-128443
View Paper titled, Framework for Machine Learning-Based Turbulence Modeling to Accurately Predict the Complex Flows in Gas Turbines
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Topics: Flow (Dynamics), Gas turbines, Machinery, Modeling, Turbulence, Computational fluid dynamics, Design, Industrial gases, Machine learning, Turbines
Proceedings Papers

Multi-Objective Aerodynamic Optimization of Gas Turbine Exhaust Diffuser: Experimental and Numerical Validations

Yuxuan Dong, Rui Yang, Xidong Wang, Zhigang Li, Jun Li, Liming Song
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127354
https://doi.org/10.1115/GT2024-127354
View Paper titled, Multi-Objective Aerodynamic Optimization of Gas Turbine Exhaust Diffuser: Experimental and Numerical Validations
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Topics: Diffusers, Exhaust systems, Gas turbines, Optimization, Pareto optimization
Proceedings Papers

Development and Validation of an Isolated Unsteady Diffuser Computational Model for a Vaned Centrifugal Compressor

Benjamin Holtmann, Mark Shapochka, Nicole Key
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128050
https://doi.org/10.1115/GT2024-128050
View Paper titled, Development and Validation of an Isolated Unsteady Diffuser Computational Model for a Vaned Centrifugal Compressor
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Topics: Boundary-value problems, Compressors, Computer simulation, Design, Diffusers, Modeling
Proceedings Papers

Aerodynamic Optimization of an Axial Turbine Blade and Diffuser

Kingshuk Dasadhikari, Yasunori Kimura, Yoshihiro Kuwamura, Hokuto Isoda, Fumito Hiratani
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124695
https://doi.org/10.1115/GT2024-124695
View Paper titled, Aerodynamic Optimization of an Axial Turbine Blade and Diffuser
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Topics: Blades, Diffusers, Optimization, Turbine blades, Turbines
Proceedings Papers

Reassessment of the Conventional: Numerical Validation of a 1D Model for the Prediction of Volute Losses

Thomas Ceyrowsky, André Hildebrandt, Martin Heinrich, Rüdiger Schwarze
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121765
https://doi.org/10.1115/GT2024-121765
View Paper titled, Reassessment of the Conventional: Numerical Validation of a 1D Model for the Prediction of Volute Losses
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Topics: Boundary-value problems, Compressors, Computational fluid dynamics, Databases, Design, Diffusers, Flow (Dynamics), Fluids, Kinetic energy, Physics
Proceedings Papers

Study of the Variation in Component Level Characteristics of a Centrifugal Compressor Across the Compressor Map Using CFD and Experiments With Detailed Instrumentation on a Gas Stand

Janakiraman Thiyagarajan, Carl Fredriksson, Nicholas Anton, Jens Fridh, Magnus Genrup
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102869
https://doi.org/10.1115/GT2023-102869
View Paper titled, Study of the Variation in Component Level Characteristics of a Centrifugal Compressor Across the Compressor Map Using CFD and Experiments With Detailed Instrumentation on a Gas Stand
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Topics: Compressors, Computational fluid dynamics, Design, Diffusers, Impellers, Instrumentation
Proceedings Papers

CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load

Ilgit Ercan, Damian M. Vogt
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102480
https://doi.org/10.1115/GT2023-102480
View Paper titled, CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load
Open the PDF for CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load in another window
Topics: Computational fluid dynamics, Pressure, Probes, Steam turbines, Stress, Flow (Dynamics), Signals, Turbines, Unsteady flow, Annulus
Proceedings Papers

Influence of a Rib in the Diffuser of a Low-Pressure Steam Turbine on Aerodynamic Excitation at Part Load Operation

Philipp Doll, Fabian F. Müller, Stefan Schippling, Damian M. Vogt, Jens Aschenbruck
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104100
https://doi.org/10.1115/GT2023-104100
View Paper titled, Influence of a Rib in the Diffuser of a Low-Pressure Steam Turbine on Aerodynamic Excitation at Part Load Operation
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Topics: Diffusers, Excitation, Pressure, Steam turbines, Stress
Proceedings Papers

Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines

Vaclav Slama, Bartolomej Rudas, David Šimurda, Jindřich Hála
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101134
https://doi.org/10.1115/GT2023-101134
View Paper titled, Pressure Loss Analysis and its Prediction in Typical Valve Designs for Steam Turbines
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Topics: Pressure, Steam turbines, Valves, Flow (Dynamics), Computer simulation, Design, Manufacturing, Turbines, Computer software, Diffusers