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Proceedings Papers

Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a sCO 2 Brayton Cycle

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-120962
https://doi.org/10.1115/GT2024-120962
View Paper titled, Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a sCO 2 Brayton Cycle
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Topics: Axial flow, Brayton cycle, Heat exchangers, Computational fluid dynamics, Cooling, Flow (Dynamics), Air flow, Design, Boundary-value problems, Concentrating solar power
Proceedings Papers

Enhanced Modelling of the Phenomenon of Vortex Shedding From a Low-Speed Axial Flow Rotor Blade Profile

Gábor Daku, János Vad
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123991
https://doi.org/10.1115/GT2024-123991
View Paper titled, Enhanced Modelling of the Phenomenon of Vortex Shedding From a Low-Speed Axial Flow Rotor Blade Profile
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Topics: Airfoils, Axial flow, Blades, Modeling, Noise (Sound), Rotors, Vibration, Vortex shedding, Vortices
Proceedings Papers

Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter

Javier González-Monge, José Miguel Pérez, Roque Corral, Fanzhou Zhao, Mehdi Vahdati
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, V10AT21A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129249
https://doi.org/10.1115/GT2024-129249
View Paper titled, Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Waves, Reflection, Axial flow, Blades, Ducts, Electromagnetic scattering, Radiation scattering, Scattering (Physics)
Proceedings Papers

Numerical Investigation on Mechanism and Modeling of Tip Leakage Flow Loss in Partially Shrouded Axial Flow Fans

Jinkong Qin, Xiaowen Hu, Mingyi Wang, Hongzhou Fan, Zhiheng Wang, Guang Xi
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A053, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129593
https://doi.org/10.1115/GT2024-129593
View Paper titled, Numerical Investigation on Mechanism and Modeling of Tip Leakage Flow Loss in Partially Shrouded Axial Flow Fans
Open the PDF for Numerical Investigation on Mechanism and Modeling of Tip Leakage Flow Loss in Partially Shrouded Axial Flow Fans in another window
Topics: Axial flow, Blades, Fans, Leakage flows, Modeling
Proceedings Papers

Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage

Ajey Singh, Chetankumar S. Mistry
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129574
https://doi.org/10.1115/GT2024-129574
View Paper titled, Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage
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Topics: Axial flow, Blades, Flow (Dynamics), Nozzles, Unsteady flow, Wakes, Rotors, Stators, Compressors, Design
Proceedings Papers

An Experimental Investigation of the Non-Axisymmetric Casing Treatment for a Low-Speed Axial-Flow Compressor Under Circumferential Inflow Distortion

Pan Zhao, Min Zhang, Yihan Li, Xiaobin Xu, Dun Ba, Juan Du
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124430
https://doi.org/10.1115/GT2024-124430
View Paper titled, An Experimental Investigation of the Non-Axisymmetric Casing Treatment for a Low-Speed Axial-Flow Compressor Under Circumferential Inflow Distortion
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Topics: Aircraft engines, Axial flow, Compressors, Inflow, Stall inception
Proceedings Papers

Mechanism Study of Stator Suction Slots to Inhibit the Boundary Layer Separation in a Single-Stage Axial Flow Compressor

Haoguang Zhang, Hao Wang, Yiming Feng, Jinhang Xiao, Wuli Chu
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128721
https://doi.org/10.1115/GT2024-128721
View Paper titled, Mechanism Study of Stator Suction Slots to Inhibit the Boundary Layer Separation in a Single-Stage Axial Flow Compressor
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Topics: Axial flow, Compressors, Flow (Dynamics), Flow separation, Stators, Suction
Proceedings Papers

A Through-Flow Approach Associating Velocity and Pressure Gradient Equations for Transonic Axial Flow Compressors Performance Prediction

Mingyi Wang, Tongxi Li, Zhiheng Wang, Guang Xi
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A047, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128690
https://doi.org/10.1115/GT2024-128690
View Paper titled, A Through-Flow Approach Associating Velocity and Pressure Gradient Equations for Transonic Axial Flow Compressors Performance Prediction
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Topics: Axial flow, Compressors, Flow (Dynamics), Pressure gradient
Proceedings Papers

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

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
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
Publisher: American Society of Mechanical Engineers
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
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

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

Gideon A. Stephan, Sybrand J. Van der Spuy, Chris Meyer
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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

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

Jannik Häßy, Martin Bolemant, Richard-Gregor Becker
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A033, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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

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
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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

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
Publisher: American Society of Mechanical Engineers
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
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Topics: Airfoils, Axial flow, Fans, Flow (Dynamics), Design, Blades, Engineering simulation, Simulation, Cascades (Fluid dynamics), Computational fluid dynamics