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Proceedings Papers

An Educated Guess - Predicting Turbomachinery Efficiencies of Aero Engines During Conceptual Design

Jannik Häßy, Martin Bolemant, Richard-Gregor Becker
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A033, June 26–30, 2023
Paper No: GT2023-103638
https://doi.org/10.1115/GT2023-103638
View Paper titled, An Educated Guess - Predicting Turbomachinery Efficiencies of Aero Engines During Conceptual Design
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Topics: Aircraft engines, Conceptual design, Engines, Turbomachinery, Design, Turbines, Databases, Analytical methods, Aviation, Axial flow
Proceedings Papers

Development of a Custom Mesh Generation Tool for Low Solidity Axial Flow Fans

Gideon A. Stephan, Sybrand J. Van der Spuy, Chris Meyer
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A005, June 26–30, 2023
Paper No: GT2023-102862
https://doi.org/10.1115/GT2023-102862
View Paper titled, Development of a Custom Mesh Generation Tool for Low Solidity Axial Flow Fans
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Topics: Axial flow, Fans, Mesh generation, Airfoils, Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Splines
Proceedings Papers

Analysis of Single Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A004, June 26–30, 2023
Paper No: GT2023-101688
https://doi.org/10.1115/GT2023-101688
View Paper titled, Analysis of Single Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows
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Topics: Blades, Flow (Dynamics), Large eddy simulation, Sealing (Process), Turbines, Wheels, Disks, Annulus, Axial flow, Cavities
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
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A011, June 26–30, 2023
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

Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle

Guoying Yang, Rui Yang, Qinghua Deng, Bozhou Xu, Jun Li, Zhenping Feng
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A008, June 26–30, 2023
Paper No: GT2023-101767
https://doi.org/10.1115/GT2023-101767
View Paper titled, Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle
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Topics: Axial flow, Brayton cycle, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide, Turbines
Proceedings Papers

Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan

Yihan Li, Jichao Li, Juan Du, Yang Liu, Min Zhang, Hongwu Zhang
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A011, June 26–30, 2023
Paper No: GT2023-101620
https://doi.org/10.1115/GT2023-101620
View Paper titled, Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan
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Topics: Axial flow, Pressure, Inflow, Blades, Design, Shock waves, Stability, Surges, Aviation, Composite materials
Proceedings Papers

Quantification of Geometric Variability Effects Through a Viscous Through-Flow Model: Sensitivity Analysis of the Manufacturing Tolerance Effects on Performance of Modern Axial-Flow Compressor Blades

Arnaud Budo, Koen Hillewaert, Thibault Le Men, Maarten Arnst, Vincent E. Terrapon
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A023, June 26–30, 2023
Paper No: GT2023-102800
https://doi.org/10.1115/GT2023-102800
View Paper titled, Quantification of Geometric Variability Effects Through a Viscous Through-Flow Model: Sensitivity Analysis of the Manufacturing Tolerance Effects on Performance of Modern Axial-Flow Compressor Blades
Open the PDF for Quantification of Geometric Variability Effects Through a Viscous Through-Flow Model: Sensitivity Analysis of the Manufacturing Tolerance Effects on Performance of Modern Axial-Flow Compressor Blades in another window
Topics: Axial flow, Blades, Compressors, Design, Flow (Dynamics), Manufacturing, Reynolds-averaged Navier–Stokes equations, Sensitivity analysis
Proceedings Papers

Three-Dimensional Multi-Objective Design Optimization of a 6.5-Stage Axial Flow Compressor Blades With Lean and Twist

Fan Lei, Xiawen Zhang, Yaping Ju, Chuhua Zhang
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A036, June 13–17, 2022
Paper No: GT2022-82986
https://doi.org/10.1115/GT2022-82986
View Paper titled, Three-Dimensional Multi-Objective Design Optimization of a 6.5-Stage Axial Flow Compressor Blades With Lean and Twist
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Topics: Axial flow, Blades, Design, Optimization
Proceedings Papers

Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control

Zonghan Sun, Pengfei Chai, Jie Tian, Zhaohui Du, Hua Ouyang
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A008, June 13–17, 2022
Paper No: GT2022-82141
https://doi.org/10.1115/GT2022-82141
View Paper titled, Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control
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Topics: Aerodynamic noise, Axial flow, Cooling, Flow (Dynamics), Flow control, Noise control
Proceedings Papers

A Microscale-Based Methodology to Predict the Performance Degradation in Turbomachinery due to Particle Deposition

Riccardo Friso, Nicola Zanini, Alessio Suman, Nicola Casari, Michele Pinelli
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A030, June 13–17, 2022
Paper No: GT2022-82425
https://doi.org/10.1115/GT2022-82425
View Paper titled, A Microscale-Based Methodology to Predict the Performance Degradation in Turbomachinery due to Particle Deposition
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Topics: Microscale devices, Particulate matter, Turbomachinery, Compressors, Surface roughness, Axial flow, Computer simulation, Engineering simulation, Engines, Fluid dynamics
Proceedings Papers

A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment

Jia Li, Dakun Sun, Ruize Xu, Xu Dong, Xiaofeng Sun
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A024, June 13–17, 2022
Paper No: GT2022-82828
https://doi.org/10.1115/GT2022-82828
View Paper titled, A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment
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Topics: Axial flow, Compressors, Metals, Stall inception, Flow (Dynamics), Rotors, Blades, Chords (Trusses), Design, Emissions
Proceedings Papers

Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A022, June 13–17, 2022
Paper No: GT2022-83444
https://doi.org/10.1115/GT2022-83444
View Paper titled, Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine
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Topics: Axial flow, Flow (Dynamics), Wakes, Wind turbines, Turbines, Yaw, Actuators, Blades, Deflection, Horizontal axis wind turbines
Proceedings Papers

Mean-Line Design and Optimization of Axial-Flow Turbines Based on Mixed Integer Nonlinear Programming

Vincenzo Dipierro, Matteo Martinelli, Giacomo Persico, Emanuele Martelli
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A016, June 13–17, 2022
Paper No: GT2022-82688
https://doi.org/10.1115/GT2022-82688
View Paper titled, Mean-Line Design and Optimization of Axial-Flow Turbines Based on Mixed Integer Nonlinear Programming
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Topics: Axial flow, Design, Nonlinear programming, Optimization, Turbines
Proceedings Papers

Unsteady Rotor-Stator Interaction in a Four-Stage Axial Turbine: An Experimental Investigation

Florian von Gosen, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A009, June 13–17, 2022
Paper No: GT2022-80399
https://doi.org/10.1115/GT2022-80399
View Paper titled, Unsteady Rotor-Stator Interaction in a Four-Stage Axial Turbine: An Experimental Investigation
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Topics: Axial flow, Rotors, Stators, Turbines
Proceedings Papers

Model Setup for the Investigation of Flow Phenomena in a 1.5-Stage Gas Turbine Regarding Hot Gas Ingestion

Lukas Pehle, Sven Schwertner, Manfred Wirsum
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A006, June 13–17, 2022
Paper No: GT2022-81947
https://doi.org/10.1115/GT2022-81947
View Paper titled, Model Setup for the Investigation of Flow Phenomena in a 1.5-Stage Gas Turbine Regarding Hot Gas Ingestion
Open the PDF for Model Setup for the Investigation of Flow Phenomena in a 1.5-Stage Gas Turbine Regarding Hot Gas Ingestion in another window
Topics: Flow (Dynamics), Gas turbines, Cavities, Pressure, Sealing (Process), Wheels, Boundary-value problems, Computer simulation, Modeling, Turbines
Proceedings Papers

Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles

Carlo Cravero, Gabriele Milanese
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A007, June 13–17, 2022
Paper No: GT2022-81697
https://doi.org/10.1115/GT2022-81697
View Paper titled, Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles
Open the PDF for Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles in another window
Topics: Airfoils, Axial flow, Fans, Flow (Dynamics), Design, Blades, Engineering simulation, Simulation, Cascades (Fluid dynamics), Computational fluid dynamics
Proceedings Papers

Effect of Solidity and Aspect Ratio on the Aerodynamic Performance of Axial-Flow Fans With 0.2 Hub-to-Tip Ratio

Massimo Masi, Piero Danieli, Andrea Lazzaretto
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A010, June 13–17, 2022
Paper No: GT2022-82245
https://doi.org/10.1115/GT2022-82245
View Paper titled, Effect of Solidity and Aspect Ratio on the Aerodynamic Performance of Axial-Flow Fans With 0.2 Hub-to-Tip Ratio
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Topics: Axial flow, Blades, Design, Fans, Engineering prototypes, Rotors, Pressure, Propellers, Experimental analysis
Proceedings Papers

Tip Vortex Effects on Air-Cooled Condenser Axial Flow Fan Performance

Johannes P. Pretorius, Sybrand J. Van Der Spuy, Martin Strümpfer
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A011, June 13–17, 2022
Paper No: GT2022-82283
https://doi.org/10.1115/GT2022-82283
View Paper titled, Tip Vortex Effects on Air-Cooled Condenser Axial Flow Fan Performance
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Topics: Axial flow, Condensers (steam plant), Wake turbulence
Proceedings Papers

Design of an Axial Flow Fan for a Unique Cooling Application

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius, Christiaan J. Meyer
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A005, June 13–17, 2022
Paper No: GT2022-80256
https://doi.org/10.1115/GT2022-80256
View Paper titled, Design of an Axial Flow Fan for a Unique Cooling Application
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Topics: Axial flow, Cooling, Design, Test facilities, Air flow, Brayton cycle, Concentrating solar power, Energy generation, Geometry, Heat exchangers
Proceedings Papers

Numerical Investigation of an Automotive Axial Fan: A Comparison Among Different CFD Software Packages and Experimental Validation

Nicola Aldi, Nicola Casari, Stefano Oliani, Michele Pinelli, Enrico Mollica, Filippo Menichini
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A001, June 13–17, 2022
Paper No: GT2022-78066
https://doi.org/10.1115/GT2022-78066
View Paper titled, Numerical Investigation of an Automotive Axial Fan: A Comparison Among Different CFD Software Packages and Experimental Validation
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Topics: Computational fluid dynamics, Computer software, Fans, Flow (Dynamics), Axial flow, Fluid dynamics, Noise (Sound), Vehicles, Air flow, Engineering simulation