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Proceedings Papers

Multi-Point Aerodynamic Optimization of a Backward-Curved Impeller Fan

Hamid Motamedi Zokae, Gavin Tabor, David Moxey, Martin Page, Martin Stokes
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127168
https://doi.org/10.1115/GT2024-127168
View Paper titled, Multi-Point Aerodynamic Optimization of a Backward-Curved Impeller Fan
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Topics: Computational fluid dynamics, Impellers, Optimization
Proceedings Papers

Aerodynamic Design of Refrigeration Compressor for Optimal Range and Efficiency

Sudip Dey, Nitin Muley
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-120910
https://doi.org/10.1115/GT2024-120910
View Paper titled, Aerodynamic Design of Refrigeration Compressor for Optimal Range and Efficiency
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Topics: Compressors, Design, Refrigeration, Flow (Dynamics), Impellers, Optimization, Bearings, Computational fluid dynamics, Computer simulation, Dimensions
Proceedings Papers

Effect of Frequency Characteristics and Swirl Brakes on Fluid Destabilization Force Acting on Compressor Closed Impeller Leakage Path

Makoto Iwasaki, Shingo Nishida, Shuichi Yamashita, Takashi Oda
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, V10AT22A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124505
https://doi.org/10.1115/GT2024-124505
View Paper titled, Effect of Frequency Characteristics and Swirl Brakes on Fluid Destabilization Force Acting on Compressor Closed Impeller Leakage Path
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Topics: Brakes, Compressors, Computational fluid dynamics, Fluids, Impellers, Leakage, Pressure
Proceedings Papers

Accuracy Analysis of Multi-Plane Unbalance Identification Using Different Model Order Reduction Techniques

Khurram Shehzad, Gyan Ranjan, Tuhin Choudhury, Charles Nutakor, Jussi Sopanen
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128790
https://doi.org/10.1115/GT2024-128790
View Paper titled, Accuracy Analysis of Multi-Plane Unbalance Identification Using Different Model Order Reduction Techniques
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Topics: Algorithms, Bearings, Degrees of freedom, Disks, Errors, Finite element methods, Impellers, Machinery, Resonance, Rotors
Proceedings Papers

High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation

Giuseppe Vannini, Carolina Giannelli, Dario Matina, Filippo Cangioli
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122482
https://doi.org/10.1115/GT2024-122482
View Paper titled, High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation
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Topics: Bearings, Bending (Stress), Compressors, Design, Hydrogen, Journal bearings, Rotors, Bearing design, Compression, Dampers
Proceedings Papers

Validation of a Numerical Model Based on an Optical Surface Scan and Experimental Modal Analyses Under Vacuum Conditions

Denny Langheinrich, Bernd Beirow, Seif Elmasry
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128070
https://doi.org/10.1115/GT2024-128070
View Paper titled, Validation of a Numerical Model Based on an Optical Surface Scan and Experimental Modal Analyses Under Vacuum Conditions
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Topics: Compressors, Computer simulation, Modal analysis, Vacuum, Vibration, Mode shapes, Damping, Electromagnetic spectrum, Algorithms, Blades
Proceedings Papers

Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability

Bijie Yang, Teng Cao, Yoshihiro Hayashi, Tadashi Kanzaka, Isao Tomita
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127434
https://doi.org/10.1115/GT2024-127434
View Paper titled, Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability
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Topics: Blades, Impellers, Stability, Flow (Dynamics), Design, Compressors, Leakage, Pressure, Annulus, Engineering simulation
Proceedings Papers

Extracting Meanline Modeling Parameters for Radial Turbomachinery From CFD

Chase Oliphant, Jason Metten, Steve Gorrell, Dan Maynes, Kerry Oliphant
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A054, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129356
https://doi.org/10.1115/GT2024-129356
View Paper titled, Extracting Meanline Modeling Parameters for Radial Turbomachinery From CFD
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Topics: Compressors, Computational fluid dynamics, Modeling, Pumps, Turbomachinery, Flow (Dynamics), Impellers, Machinery, Radial flow, Design
Proceedings Papers

Unsteady Flow Mechanism of Impeller Stall Inception in a High-Pressure Ratio Centrifugal Compressor With Bleed Slots

Nobumichi Fujisawa, Yuta Yamamoto, Yutaka Ohta, Atsushi Ogino, Ryo Nakayama, Eijiro Kitamura
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128457
https://doi.org/10.1115/GT2024-128457
View Paper titled, Unsteady Flow Mechanism of Impeller Stall Inception in a High-Pressure Ratio Centrifugal Compressor With Bleed Slots
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Topics: Compressors, High pressure (Physics), Impellers, Stall inception, Unsteady flow
Proceedings Papers

Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor

Yiming Liu, Stephen Spence, John Horsley, Stuart Mann, Charles Stuart
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123825
https://doi.org/10.1115/GT2024-123825
View Paper titled, Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor
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Topics: Compressors, Computational fluid dynamics, Diffusion (Physics), Impellers, Stability, Turbochargers
Proceedings Papers

Unsteady Investigation of Side Loading Effect on Single-Stage Centrifugal Compressors

Marco Bicchi, Fabrizio Lottini, Davide Biliotti, Massimiliano Ortiz Neri, Lorenzo Querini, Cosimo Bianchini
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127932
https://doi.org/10.1115/GT2024-127932
View Paper titled, Unsteady Investigation of Side Loading Effect on Single-Stage Centrifugal Compressors
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Topics: Compressors, Computational fluid dynamics, Impellers, Magnetic bearings, Stress
Proceedings Papers

NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance

Gregorio Robles Vega, Alec J. Bosshart, Michael Ni, Ron-Ho Ni, Herbert M. Harrison, Tammy Nguyen-Huynh
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125360
https://doi.org/10.1115/GT2024-125360
View Paper titled, NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance
Open the PDF for NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance in another window
Topics: Design, Geometry, Impellers, NASA, Performance evaluation, Vaneless diffusers, Blades, Computer simulation, Clearances (Engineering), Compressors
Proceedings Papers

NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry

Gregorio Robles Vega, Alec J. Bosshart, Michael Ni, Ron-Ho Ni, Herbert M. Harrison, Tammy Nguyen-Huynh
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125128
https://doi.org/10.1115/GT2024-125128
View Paper titled, NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry
Open the PDF for NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry in another window
Topics: Compressors, Computer simulation, Geometry, Impellers, NASA, Performance evaluation, Vaneless diffusers, Engineering simulation, Simulation, Computer-aided design
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
Open the PDF for 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 in another window
Topics: Compressors, Computational fluid dynamics, Design, Diffusers, Impellers, Instrumentation
Proceedings Papers

Aerodynamic and Rotordynamic Performance of a Multi-Stage Centrifugal Compressor With High Hub Impellers

Anand Srinivasan, Tim David, Daniel Silva, Vinayaka Rajagopalan, Rainer Kurz
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T19A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100801
https://doi.org/10.1115/GT2023-100801
View Paper titled, Aerodynamic and Rotordynamic Performance of a Multi-Stage Centrifugal Compressor With High Hub Impellers
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Topics: Compressors, Impellers, Rotors
Proceedings Papers

Burst Speed Prediction of Impellers With Critical Strain Criteria

Alper Sarıten, Burak Tabakçı, Furkan Çopur, Alican Kutmaral, İlkan Hasan Akpınar
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT24A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102760
https://doi.org/10.1115/GT2023-102760
View Paper titled, Burst Speed Prediction of Impellers With Critical Strain Criteria
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Topics: Impellers, Plasticity
Proceedings Papers

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

Alessandro Romei, Paolo Gaetani, Giacomo Persico
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102106
https://doi.org/10.1115/GT2023-102106
View Paper titled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Compressors, Design, Flow (Dynamics), Carbon dioxide, Optimization, Shapes, Aerodynamics, Compressibility, Density, Engineering design processes
Proceedings Papers

Comparison Between Gradient-Free and Gradient-Based Optimizations of the SRV2 Radial Compressor

Arnaud Châtel, Tom Verstraete
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102387
https://doi.org/10.1115/GT2023-102387
View Paper titled, Comparison Between Gradient-Free and Gradient-Based Optimizations of the SRV2 Radial Compressor
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Topics: Compressors, Optimization, Design, Computational fluid dynamics, Fluids, Geometry, Impellers, Optimization algorithms, Reynolds-averaged Navier–Stokes equations, Steady state
Proceedings Papers

Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller

Andrea Agnolucci, Michele Marconcini, Davide Biliotti, Lorenzo Toni, Alberto Baroni, Luca Romani, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103585
https://doi.org/10.1115/GT2023-103585
View Paper titled, Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller
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Topics: Compressors, Design, Diffusers, Impellers, Stress, Clearances (Engineering), High pressure (Physics), Geometry, Machinery, Manufacturing
Proceedings Papers

A Novel Optimisation of a Transonic Centrifugal Impeller Based on 3D Inverse Design Approach

Peng Wang, Mingding Zhang, Mehrdad Zangeneh
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103145
https://doi.org/10.1115/GT2023-103145
View Paper titled, A Novel Optimisation of a Transonic Centrifugal Impeller Based on 3D Inverse Design Approach
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Topics: Computational fluid dynamics, Design, Experimental design, Impellers, Optimization, Parametrization