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Journal Articles

A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

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Yiming Meng, Zhicheng Xiao, Pengfei Chai, Shang Wang, Xiaocheng Zhu, Hua Ouyang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021014.
Paper No: GTP-24-1412
https://doi.org/10.1115/1.4066351
Published Online: September 27, 2024
View Articletitled, A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation
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Topics: Blades, Displacement, Sensors, Traveling waves, Vibration
Proceedings Papers

Investigations on Effects of Inflow Turbulence on Vortex-Induced Vibrations of a Wind Turbine Airfoil With the Wake Oscillator Model

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Bo Lian, Xin Tong, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124806
https://doi.org/10.1115/GT2024-124806
View Paper titled, Investigations on Effects of Inflow Turbulence on Vortex-Induced Vibrations of a Wind Turbine Airfoil With the Wake Oscillator Model
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Topics: Airfoils, Inflow, Turbulence, Vortex-induced vibration, Wakes, Wind turbines
Proceedings Papers

A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

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Yiming Meng, Zhicheng Xiao, Pengfei Chai, Shang Wang, Xiaocheng Zhu, Hua Ouyang
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A048, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129196
https://doi.org/10.1115/GT2024-129196
View Paper titled, A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation
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Topics: Blades, Traveling waves
Proceedings Papers

Uncertainty Quantification Analysis on the Cooling Flow Rate of the Cooled Turbine in a Novel H2/O2 Cycle

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Bangyan Ma, Lei Shi, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124431
https://doi.org/10.1115/GT2024-124431
View Paper titled, Uncertainty Quantification Analysis on the Cooling Flow Rate of the Cooled Turbine in a Novel H2/O2 Cycle
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Topics: Coolants, Cooling, Cycles, Flow (Dynamics), Hydrogen fuels, Turbines, Uncertainty quantification
Proceedings Papers

Mistuning Effects on Aero-Elastic Stability of Civil Transonic Fan Blades

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Bo Lian, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80613
https://doi.org/10.1115/GT2022-80613
View Paper titled, Mistuning Effects on Aero-Elastic Stability of Civil Transonic Fan Blades
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Topics: Blades, Damping, Eigenvalues, Flutter (Aerodynamics), Stability, Design, Commercial air transport, Engineering simulation, Engines, Errors
Proceedings Papers

The Heat Transfer and Coherent Structures of the Tangential Impingement Jets in the Annular Chamber Studied With Extended Proper Orthogonal Decomposition

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Lei Shi, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82198
https://doi.org/10.1115/GT2022-82198
View Paper titled, The Heat Transfer and Coherent Structures of the Tangential Impingement Jets in the Annular Chamber Studied With Extended Proper Orthogonal Decomposition
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Topics: Heat transfer, Jets, Principal component analysis
Proceedings Papers

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

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Tian Tian, Chong Sun, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82207
https://doi.org/10.1115/GT2022-82207
View Paper titled, Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades
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Topics: Flow (Dynamics), Rotating blades, Vertical axis wind turbines
Journal Articles

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

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Tian Tian, Chong Sun, Xiaocheng Zhu, Zhaohui Du
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111003.
Paper No: GTP-22-1282
https://doi.org/10.1115/1.4055411
Published Online: September 20, 2022
View Articletitled, Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades
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Topics: Blades, Flow (Dynamics), Rotating blades, Rotation, Rotors, Vertical axis wind turbines, Vorticity, Wakes, Emission spectroscopy, Spectroscopy
Proceedings Papers

Insight on Aerodynamic Damping of the Civil Transonic Fan Blade

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Bo Lian, Ping Hu, Yong Chen, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58818
https://doi.org/10.1115/GT2021-58818
View Paper titled, Insight on Aerodynamic Damping of the Civil Transonic Fan Blade
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Topics: Blades, Damping, Flutter (Aerodynamics), Shock waves
Proceedings Papers

Aerodynamic Numerical Investigation of Low-Pressure Steam Turbine Last Stage Under Low Load Conditions With Mode Decomposition Methods

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Ping Hu, Tong Lin, Rui Yang, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90089
https://doi.org/10.1115/GT2019-90089
View Paper titled, Aerodynamic Numerical Investigation of Low-Pressure Steam Turbine Last Stage Under Low Load Conditions With Mode Decomposition Methods
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Topics: Pressure, Steam turbines, Stress, Flow (Dynamics), Computational fluid dynamics, Design, Excitation, Signals, Blades, Compressors
Journal Articles

A Study on the Capability of Backward Swept Blades to Mitigate Loads of Wind Turbines in Shear Flow

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Jinge Chen, Xin Shen, Xiaocheng Zhu, Zhaohui Du
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. August 2019, 141(8): 081201.
Paper No: JERT-17-1698
https://doi.org/10.1115/1.4042716
Published Online: February 18, 2019
View Articletitled, A Study on the Capability of Backward Swept Blades to Mitigate Loads of Wind Turbines in Shear Flow
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Topics: Blades, Shear (Mechanics), Stress, Wind, Wind turbines
Journal Articles

Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings

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Xiaocheng Zhu, Jinge Chen, Xin Shen, Zhaohui Du
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. August 2019, 141(4): 041002.
Paper No: SOL-18-1315
https://doi.org/10.1115/1.4042315
Published Online: January 8, 2019
View Articletitled, Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings
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Topics: Blades, Stress, Deformation, Rotors, Wind velocity
Proceedings Papers

Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings

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Jinge Chen, Xin Shen, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75889
https://doi.org/10.1115/GT2018-75889
View Paper titled, Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings
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Topics: Blades, Stress, Wind turbines, Deformation, Torsion, Energy generation, Wind velocity, Aerodynamics, Deflection, Euler-Bernoulli beam theory
Proceedings Papers

Steam Flow and Heat Transfer in the Intermediate Pressure Cylinder of the Ultra-Supercritical Steam Turbine

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Chong Sun, Daiwei Zhou, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75343
https://doi.org/10.1115/GT2018-75343
View Paper titled, Steam Flow and Heat Transfer in the Intermediate Pressure Cylinder of the Ultra-Supercritical Steam Turbine
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Topics: Cylinders, Flow (Dynamics), Heat transfer, Pressure, Steam, Steam turbines, Cooling, Heat transfer coefficients, Turbulence, Boundary-value problems
Journal Articles

Calculation of Collection Efficiency on NREL Phase VI Blade

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Xiaocheng Zhu, Liangquan Hu, Jinge Chen, Xin Shen, Zhaohui Du
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. July 2018, 140(7): 071202.
Paper No: JERT-17-1460
https://doi.org/10.1115/1.4039349
Published Online: March 15, 2018
View Articletitled, Calculation of Collection Efficiency on NREL Phase VI Blade
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Topics: Blades, Drops, Water, Wind velocity, Airfoils
Proceedings Papers

Experimental Investigation on the Tip Vortex of a Wind Turbine With and Without a Slotted Tip

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Pengyin Liu, Jinge Chen, Shen Xin, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T49A011, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64125
https://doi.org/10.1115/GT2017-64125
View Paper titled, Experimental Investigation on the Tip Vortex of a Wind Turbine With and Without a Slotted Tip
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Topics: Wake turbulence, Wind turbines, Wakes, Blades, Flow (Dynamics), Turbulence, Vortices, Air flow, Diffusion (Physics), Diffusion processes
Proceedings Papers

The Aerodynamic Optimization Design of Turbine Cascade With Nonaxisymmetric Endwall and Experimental Validations

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Hao Liu, Xin Shen, Xiaocheng Zhu, Zhaohui Du, Hong Yang, Rui Yang
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A019, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63898
https://doi.org/10.1115/GT2017-63898
View Paper titled, The Aerodynamic Optimization Design of Turbine Cascade With Nonaxisymmetric Endwall and Experimental Validations
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Topics: Cascades (Fluid dynamics), Design, Optimization, Turbines, Flow (Dynamics), Shapes, Computer simulation, Optimization algorithms, B-splines, Entropy
Journal Articles

Calculation of the Water Droplets Local Collection Efficiency on the Wind Turbines Blade

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Liangquan Hu, Xiaocheng Zhu, Chenxing Hu, Jinge Chen, Zhaohui Du
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. September 2017, 139(5): 051211.
Paper No: JERT-16-1448
https://doi.org/10.1115/1.4036329
Published Online: April 6, 2017
View Articletitled, Calculation of the Water Droplets Local Collection Efficiency on the Wind Turbines Blade
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Topics: Air flow, Airfoils, Blades, Drops, Water, Wind turbines
Proceedings Papers

Prediction of Centrifugal Compressor Performance From Choke Through Stall With a Physical Throttle

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Xiaocheng Zhu, Kai Jia, Zhaohui Du
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A014, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42914
https://doi.org/10.1115/GT2015-42914
View Paper titled, Prediction of Centrifugal Compressor Performance From Choke Through Stall With a Physical Throttle
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Topics: Compressors, Flow (Dynamics), Vaneless diffusers, Physics, Unsteady flow, Computational fluid dynamics, Computer simulation, Computer software, Design, Engineering simulation
Proceedings Papers

Numerical Investigations of Tangential Direction Cooling in the Intermediate Pressure Cylinder (IPC)

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Liangliang Liu, Daiwei Zhou, Hao Liu, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A023, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42951
https://doi.org/10.1115/GT2015-42951
View Paper titled, Numerical Investigations of Tangential Direction Cooling in the Intermediate Pressure Cylinder (IPC)
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Topics: Cooling, Cylinders, Pressure, Turbulence, Mach number, Prandtl number, Vortices, Computational fluid dynamics, Internal flow, Reliability