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Proceedings Papers

Modeling Combustor Turbine Interaction Using Efficient Joint Simulation Strategy

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Ishan Verma, Laith Zori, Jaydeep Basani, Benjamin Kamrath, Dustin Brandt
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126729
https://doi.org/10.1115/GT2024-126729
View Paper titled, Modeling Combustor Turbine Interaction Using Efficient Joint Simulation Strategy
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Topics: Combustion chambers, Modeling, Simulation, Turbines, Boundary-value problems, Flow (Dynamics), Rotors, Blades, Combustion, Computer simulation
Proceedings Papers

The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations

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Asim Hafizovic, Nicolas Krajnc, Filippo Merli, Marian Staggl, Francesco Mangini, Patrick Zeno Sterzinger, Andreas Marn, Emil Göttlich
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126475
https://doi.org/10.1115/GT2024-126475
View Paper titled, The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations
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Topics: Anisotropy, Ducts, Energy dissipation, Turbines, Turbulence, Wire
Proceedings Papers

A Framework and Approach for Leveraging Unsteady Response in Turbocompressor Flowfields

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Eric M. Krivitzky, Louis M. Larosiliere
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129548
https://doi.org/10.1115/GT2024-129548
View Paper titled, A Framework and Approach for Leveraging Unsteady Response in Turbocompressor Flowfields
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Topics: Cascades (Fluid dynamics), Compressors, Computational fluid dynamics, Dynamics (Mechanics), Excitation, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Robustness, Stability
Proceedings Papers

Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

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Yangwei Liu, Weibo Zhong, Yumeng Tang
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129534
https://doi.org/10.1115/GT2024-129534
View Paper titled, Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Separation (Technology), Unsteady flow
Proceedings Papers

Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied via High-Fidelity Simulation

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Marco Rosenzweig, Melissa Kozul, Richard D. Sandberg
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125408
https://doi.org/10.1115/GT2024-125408
View Paper titled, Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied via High-Fidelity Simulation
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Topics: Pressure, Simulation, Turbines, Wakes, Blades, Flow (Dynamics), Boundary layers, Engines, Cascades (Fluid dynamics), Mach number
Proceedings Papers

Unsteady Flow, Turbulence and Acoustic Measurements on the Counter-Rotating DLR Turbo Fan Stage CRISPmulti, With and Without Inlet Distortions

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Robert Meyer, Ulf Tapken, Lukas Klähn, Maximilian Behn, Timea Lengyel-Kampmann
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124839
https://doi.org/10.1115/GT2024-124839
View Paper titled, Unsteady Flow, Turbulence and Acoustic Measurements on the Counter-Rotating DLR Turbo Fan Stage CRISPmulti, With and Without Inlet Distortions
Open the PDF for Unsteady Flow, Turbulence and Acoustic Measurements on the Counter-Rotating DLR Turbo Fan Stage CRISPmulti, With and Without Inlet Distortions in another window
Topics: Acoustics, Boundary layers, Engines, Turbochargers, Turbulence, Unsteady flow
Proceedings Papers

The Impact of Inflow Unsteadiness on Loss Prediction

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Pawel J. Przytarski, Davide Lengani, Richard Sandberg
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127538
https://doi.org/10.1115/GT2024-127538
View Paper titled, The Impact of Inflow Unsteadiness on Loss Prediction
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Topics: Inflow, Pressure, Engineering simulation, Reynolds number, Simulation, Turbulence, Blades, Compressors, Design, Energy budget (Physics)
Proceedings Papers

Understanding Entropy Wave Evolution in High-Pressure Turbines: the Role of Hot Spot Position and Features

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Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127446
https://doi.org/10.1115/GT2024-127446
View Paper titled, Understanding Entropy Wave Evolution in High-Pressure Turbines: the Role of Hot Spot Position and Features
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Topics: Combustion chambers, Entropy, High pressure (Physics), Turbines, Waves
Proceedings Papers

Model for Local Cavitation Instabilities in 2-Bladed Turbopump Inducers

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Youngkuk Yoon, Seung Jin Song
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129494
https://doi.org/10.1115/GT2024-129494
View Paper titled, Model for Local Cavitation Instabilities in 2-Bladed Turbopump Inducers
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Topics: Cavitation
Proceedings Papers

Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow

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Ragupathy S., Abhijit Kushari, M. C. Keerthi
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129233
https://doi.org/10.1115/GT2024-129233
View Paper titled, Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow
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Topics: Blades, Cascades (Fluid dynamics), Numerical analysis, Oscillations, Transonic flow, Shock (Mechanics), Fluctuations (Physics), Compressors, Flutter (Aerodynamics), Pressure
Proceedings Papers

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 1: Measurements With Time-Resolved PIV

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Joachim Klinner, Edwin J. Munoz Lopez, Alexander Hergt, Chris Willert
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124307
https://doi.org/10.1115/GT2024-124307
View Paper titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 1: Measurements With Time-Resolved PIV
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Topics: Cascades (Fluid dynamics), Compressors, Particle image velocimetry, Shock (Mechanics)
Proceedings Papers

Mitigation of Laminar Separation Bubble Through Leading-Edge Modification of an Aerofoil With Herringbone Riblets

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Ravi Kumar, Pradeep Singh, Subrata Sarkar
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124289
https://doi.org/10.1115/GT2024-124289
View Paper titled, Mitigation of Laminar Separation Bubble Through Leading-Edge Modification of an Aerofoil With Herringbone Riblets
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Topics: Airfoils, Bubbles, Separation (Technology)
Proceedings Papers

Non-Synchronous Vibration and Related Tip Clearance Flow Characteristic in a Low-Speed Axial Fan

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He Zhang, Ming Zhang, Xu Dong, Dakun Sun, Xiaofeng Sun
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129094
https://doi.org/10.1115/GT2024-129094
View Paper titled, Non-Synchronous Vibration and Related Tip Clearance Flow Characteristic in a Low-Speed Axial Fan
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Topics: Clearances (Engineering), Flow (Dynamics), Vibration
Proceedings Papers

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

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Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo Alberto Granata, Monica Gily, Carlotta Manca
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128710
https://doi.org/10.1115/GT2024-128710
View Paper titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Inspection, Large eddy simulation, Optimization, Pressure, Turbine blades, Blades, Wakes, Turbulence, Boundary layers, Energy dissipation
Proceedings Papers

Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor

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Nobumichi Fujisawa, Yutaka Ohta, Mai Yamagami, Takashi Goto, Dai Kato
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122609
https://doi.org/10.1115/GT2024-122609
View Paper titled, Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor
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Topics: Compressors, Unsteady flow
Proceedings Papers

Noise Source Identification for the Unsteady Low Pressure Turbine Flow Fields

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Lanyi Yan, Daniele Simoni, Yigang Luan, Tao Sun, Dario Barsi, Pietro Zunino
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122178
https://doi.org/10.1115/GT2024-122178
View Paper titled, Noise Source Identification for the Unsteady Low Pressure Turbine Flow Fields
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Topics: Flow (Dynamics), Noise (Sound), Pressure, Principal component analysis, Rotors, Stators, Turbines
Proceedings Papers

Experimental Characterisation of Surge Cycles and Second Quadrant Operation for a Centrifugal Compressor

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Ola Ilseth Pronk, Lars Eirik Bakken
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121338
https://doi.org/10.1115/GT2024-121338
View Paper titled, Experimental Characterisation of Surge Cycles and Second Quadrant Operation for a Centrifugal Compressor
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Topics: Compressors, Cycles, Design, Experimental characterization, Flow instability, Surges
Proceedings Papers

Criteria for the Occurrence of Tip Leakage Flow Induced Rotating Instability

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Xiangyi Chen, Martin Lange, Björn Koppe, Christoph Jasmund, Wuli Chu, Ronald Mailach
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126921
https://doi.org/10.1115/GT2024-126921
View Paper titled, Criteria for the Occurrence of Tip Leakage Flow Induced Rotating Instability
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Topics: Compressors, Leakage flows
Proceedings Papers

The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection

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Lorenzo Carrattieri, Carlo Cravero, Davide Marsano, Emiliano Valenti, Vishnu Sishtla, Chaitanya Halbe
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126818
https://doi.org/10.1115/GT2024-126818
View Paper titled, The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection
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Topics: Compressors, Machine learning, Simulation, Stability, Surges
Proceedings Papers

Reconstruction of Two-Dimensional to Three-Dimensional Flow Transition Fields Using Neural Network-Based Generative Adversarial Networks

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Ruiling Xu, Song Gao, Zhiheng Wang, Guang Xi
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128663
https://doi.org/10.1115/GT2024-128663
View Paper titled, Reconstruction of Two-Dimensional to Three-Dimensional Flow Transition Fields Using Neural Network-Based Generative Adversarial Networks
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Topics: Flow (Dynamics), Generative adversarial networks, Compressors, Generators, Artificial intelligence, Artificial neural networks, Blades, Cascades (Fluid dynamics), Computational methods, Computer simulation