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Proceedings Papers

Non-Parametric Surrogate Model (NPSM) for High-Dimensional Aerodynamics Optimization

Jiajun Cao, Liping Xu
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126830
https://doi.org/10.1115/GT2024-126830
View Paper titled, Non-Parametric Surrogate Model (NPSM) for High-Dimensional Aerodynamics Optimization
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Topics: Aerodynamics, Optimization, Convolutional neural networks, Flow (Dynamics), Graph neural networks, Blades, Design, Errors, Feedback, Geometry
Journal Articles

A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design

Nikolas Karefyllidis, Dylan Rubini, Budimir Rosic, Liping Xu, Veli-Matti Purola
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031005.
Paper No: TURBO-23-1235
https://doi.org/10.1115/1.4063928
Published Online: November 16, 2023
View Article titled, A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design
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Topics: Design, Flow (Dynamics), Turbomachinery, Blades, Robustness, Turbochargers, Enthalpy, Rotors, High temperature, Cracking (Materials)
Proceedings Papers

A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design

Nikolas Karefyllidis, Dylan Rubini, Budimir Rosic, Liping Xu, Veli-Matti Purola
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103219
https://doi.org/10.1115/GT2023-103219
View Paper titled, A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design
Open the PDF for A Novel Axial Energy-Imparting Turbomachine for High-Enthalpy Gas Heating: Robustness of the Aerodynamic Design in another window
Topics: Design, Enthalpy, Heating, Robustness, Turbomachinery, Turbochargers, Compressors, Blades, Carbon dioxide, Cements (Adhesives)
Proceedings Papers

Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges

Dylan Rubini, Nikolas Karefyllidis, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT36A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80698
https://doi.org/10.1115/GT2022-80698
View Paper titled, Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges
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Topics: Aerodynamics, Carbon, Chemical reactions, Chemistry, Computational fluid dynamics, Computer-aided engineering, Cracking (Materials), Databases, Design, Eddies (Fluid dynamics)
Journal Articles

A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking

Dylan Rubini, Liping Xu, Budimir Rosic, Harri Johannesdahl
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021024.
Paper No: GTP-21-1526
https://doi.org/10.1115/1.4052784
Published Online: December 7, 2021
View Article titled, A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking
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Topics: Coke, Cracking (Materials), Energy transformation, Flow (Dynamics), Fracture (Process), Furnaces, Pressure, Rotors, Temperature, Turbulence
Proceedings Papers

A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking

Dylan Rubini, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A016, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59197
https://doi.org/10.1115/GT2021-59197
View Paper titled, A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking
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Topics: Cracking (Materials), Fracture (Process), Sustainability, Turbomachinery, Turbochargers, Temperature, Energy transformation, Feedstock, Heat, Rotors
Journal Articles

Tip Leakage Flow Instability in a Centrifugal Compressor

Teng Cao, Tadashi Kanzaka, Liping Xu, Tobias Brandvik
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041012.
Paper No: GTP-20-1668
https://doi.org/10.1115/1.4049821
Published Online: February 26, 2021
View Article titled, Tip Leakage Flow Instability in a Centrifugal Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Impellers, Leakage flows, Pressure, Computational fluid dynamics, Vortices
Proceedings Papers

Numerical Resolution of Compressor Corner Separation Problem

Wei Sun, Zhong-Nan Wang, Liping Xu
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14587
https://doi.org/10.1115/GT2020-14587
View Paper titled, Numerical Resolution of Compressor Corner Separation Problem
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Topics: Compressors, Corners (Structural elements), Resolution (Optics), Separation (Technology), Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Turbulence, Boundary layers, Cascades (Fluid dynamics), Computational fluid dynamics
Proceedings Papers

Tip Leakage Flow Instability in a Centrifugal Compressor

Teng Cao, Tadashi Kanzaka, Liping Xu, Tobias Brandvik
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90217
https://doi.org/10.1115/GT2019-90217
View Paper titled, Tip Leakage Flow Instability in a Centrifugal Compressor
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Topics: Compressors, Leakage flows, Blades, Flow (Dynamics), Impellers, Pressure, Shear (Mechanics), Vortex shedding, Wavelength, Computer simulation
Proceedings Papers

The Effect of Stage-Diffuser Interaction on the Aerodynamic Performance and Design of LP Steam Turbine Exhaust Systems

Bowen Ding, Liping Xu, Jiandao Yang, Rui Yang, Yuejin Dai
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75375
https://doi.org/10.1115/GT2018-75375
View Paper titled, The Effect of Stage-Diffuser Interaction on the Aerodynamic Performance and Design of LP Steam Turbine Exhaust Systems
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Topics: Design, Diffusers, Exhaust systems, Steam turbines, Rotors, Blades, Stress, Flow (Dynamics), Machinery, Computational fluid dynamics
Proceedings Papers

Assessment of the Severity of Unsteady Mach Number Effects in a 3-Stage Transonic Compressor

Anthony Dent, Liping Xu, Roger Wells
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A019, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64022
https://doi.org/10.1115/GT2017-64022
View Paper titled, Assessment of the Severity of Unsteady Mach Number Effects in a 3-Stage Transonic Compressor
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Topics: Compressors, Mach number, Engineering simulation, Simulation, Blades, Rotors, Stators, Boundary layers, Computational fluid dynamics, Inlet guide vanes
Journal Articles

A Low-Order Model for Predicting Turbocharger Turbine Unsteady Performance

Teng Cao, Liping Xu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072607.
Paper No: GTP-15-1522
https://doi.org/10.1115/1.4032341
Published Online: February 17, 2016
View Article titled, A Low-Order Model for Predicting Turbocharger Turbine Unsteady Performance
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Topics: Flow (Dynamics), Rotors, Turbines, Pulsatile flow, Cycles, Waves, Turbochargers
Proceedings Papers

A Low Order Model for Predicting Turbocharger Turbine Unsteady Performance

Teng Cao, Liping Xu
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A022, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25913
https://doi.org/10.1115/GT2014-25913
View Paper titled, A Low Order Model for Predicting Turbocharger Turbine Unsteady Performance
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Topics: Turbines, Turbochargers, Cycles, Waves, Dynamics (Mechanics), Flow (Dynamics), Pulsatile flow, Computational fluid dynamics, Geometry, Impellers
Proceedings Papers

Numerical and Experimental Findings of a Highly-Loaded Aspirated Cascade

Bronwyn Power, Liping Xu, Steven Wellborn
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A050, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27098
https://doi.org/10.1115/GT2014-27098
View Paper titled, Numerical and Experimental Findings of a Highly-Loaded Aspirated Cascade
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Topics: Cascades (Fluid dynamics), Blades, Design, Computational fluid dynamics, Suction, Airfoils, Compressors, Engines, Failure mechanisms, Mesh generation
Journal Articles

Radial Turbine Rotor Response to Pulsating Inlet Flows

Teng Cao, Liping Xu, Mingyang Yang, Ricardo F. Martinez-Botas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071003.
Paper No: TURBO-13-1174
https://doi.org/10.1115/1.4025948
Published Online: December 27, 2013
View Article titled, Radial Turbine Rotor Response to Pulsating Inlet Flows
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Waves, Numerical analysis
Proceedings Papers

The Application of Non-Axisymmetric Profiled End-Walls for Axial Flow Turbines in the Embedded Stage Environment

Andreas Lintz, Liping Xu, Marios Karakasis
Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT25A032, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95270
https://doi.org/10.1115/GT2013-95270
View Paper titled, The Application of Non-Axisymmetric Profiled End-Walls for Axial Flow Turbines in the Embedded Stage Environment
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Topics: Axial flow, Turbines, Flow (Dynamics), Design, Blades, Boundary layers, Computational fluid dynamics, Flow visualization, High pressure (Physics), Leakage flows
Proceedings Papers

Radial Turbine Rotor Response to Pulsating Inlet Flows

Teng Cao, Liping Xu, Mingyang Yang, Ricardo F. Martinez-Botas
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT40A009, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95182
https://doi.org/10.1115/GT2013-95182
View Paper titled, Radial Turbine Rotor Response to Pulsating Inlet Flows
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Topics: Flow (Dynamics), Rotors, Turbines, Cycles, Waves, Numerical analysis, Pulsatile flow, Design, Pressure, Transients (Dynamics)
Journal Articles

Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions

Hamid R. Hazby, Liping Xu, Matthias Schleer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031011.
Paper No: TURBO-13-1063
https://doi.org/10.1115/1.4024693
Published Online: September 26, 2013
View Article titled, Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions
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Topics: Flow (Dynamics), Impellers, Vaneless diffusers, Diffusers
Journal Articles

Fan Root Aerodynamics for Large Bypass Gas Turbine Engines: Influence on the Engine Performance and 3D Design

Giulio Zamboni, Liping Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061017.
https://doi.org/10.1115/1.4006286
Published Online: September 4, 2012
View Article titled, Fan Root Aerodynamics for Large Bypass Gas Turbine Engines: Influence on the Engine Performance and 3D Design
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Topics: Design, Engines, Flow (Dynamics), Leakage flows, Pressure, Stators, Leakage, Aerodynamics, Computational fluid dynamics, Topology
Journal Articles

Blade Lean and Shroud Leakage Flows in Low Aspect Ratio Turbines

Budimir Rosic, Liping Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031003.
https://doi.org/10.1115/1.3106002
Published Online: July 14, 2011
View Article titled, Blade Lean and Shroud Leakage Flows in Low Aspect Ratio Turbines
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Topics: Blades, Stators, Turbines, Flow (Dynamics), Leakage flows, Rotors