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Journal Articles

Sensitivity of laidback fan-shaped hole discharge coefficient under internal coolant crossflow conditions

Accepted Manuscript
Haoyang Liu, Qiang Du, Qingzong Xu, Guang-Yao Xu, Hongye Li, Dawei Chen
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1013
https://doi.org/10.1115/1.4063366
Published Online: September 7, 2023
View Article titled, Sensitivity of laidback fan-shaped hole discharge coefficient under internal coolant crossflow conditions
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Topics: Coolants, Discharge coefficient, Turbochargers, Flow (Dynamics), Heat transfer, Pressure, Compressors, Errors, Film cooling, Flat plates
Journal Articles

Conjugate heat transfer characteristics of a film-cooled turbine blade leading edge with staggered-oblique impinging jets

Accepted Manuscript
Hongye Li, Qiang Du, Qingzong Xu, Guang-Yao Xu, Haoyang Liu, Dawei Chen
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1067
https://doi.org/10.1115/1.4063367
Published Online: September 7, 2023
View Article titled, Conjugate heat transfer characteristics of a film-cooled turbine blade leading edge with staggered-oblique impinging jets
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Topics: Heat transfer, Jets, Turbine blades, Turbochargers
Proceedings Papers

Diagnosis and Recognition of Pipeline Damage Defects Based on Neural Network Algorithm

Min Zhang, Yanbao Guo, Deguo Wang, Qiang Du
Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T01A013, September 26–30, 2022
Paper No: IPC2022-87163
https://doi.org/10.1115/IPC2022-87163
View Paper titled, Diagnosis and Recognition of Pipeline Damage Defects Based on Neural Network Algorithm
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Topics: Algorithms, Artificial neural networks, Damage, Pipelines, Safety
Journal Articles

Numerical Study of Crossflow Effects on Discharge Coefficient of the Converging Slot Hole

Qingzong Xu, Guangyao Xu, Qiang Du, Dawei Chen, Haoyang Liu, Hongye Li
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061005.
Paper No: TURBO-22-1080
https://doi.org/10.1115/1.4056302
Published Online: December 6, 2022
View Article titled, Numerical Study of Crossflow Effects on Discharge Coefficient of the Converging Slot Hole
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Topics: Compressible flow, Coolants, Discharge coefficient, Film cooling, Flow (Dynamics), Mach number, Pressure
Proceedings Papers

Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface

Xinnan Chen, Zhigang Li, Jun Li, Qingzong Xu, Qiang Du
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A032, June 13–17, 2022
Paper No: GT2022-82755
https://doi.org/10.1115/GT2022-82755
View Paper titled, Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface
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Topics: Film cooling, Heat transfer, Turbines
Journal Articles

Swirl Ratio Prediction Model in Rotor-Stator Cavity With Superposed Outward Radial Throughflow Based on Region Partition

Qiang Du, Lei Xie, Guang Liu, Zengyan Lian, Jun Liu, Ran Ren
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081010.
Paper No: GTP-21-1650
https://doi.org/10.1115/1.4054794
Published Online: June 23, 2022
View Article titled, Swirl Ratio Prediction Model in Rotor-Stator Cavity With Superposed Outward Radial Throughflow Based on Region Partition
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Topics: Cavities, Flow (Dynamics), Rotors, Stators, Computational fluid dynamics, Friction, Boundary layers
Journal Articles

Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot

Qiang Du, Guangyao Xu, Qingzong Xu, Pei Wang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101012.
Paper No: TURBO-21-1195
https://doi.org/10.1115/1.4054543
Published Online: June 16, 2022
View Article titled, Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot
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Topics: Coolants, Film cooling, Flat plates, Flow (Dynamics), Simulation, Unsteady flow, Vortices, Eddies (Fluid dynamics), Temperature, Vorticity
Proceedings Papers

Benchmark Study of RBHT Experiment for the Effect of Spacer Grids on Reflood Heat Transfer With LOCUST Code

Qiang Du, Qinglong Wen, Hongsheng Yuan, Ting Wang, Shenhui Ruan
Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A017, August 4–6, 2021
Paper No: ICONE28-64465
https://doi.org/10.1115/ICONE28-64465
View Paper titled, Benchmark Study of RBHT Experiment for the Effect of Spacer Grids on Reflood Heat Transfer With LOCUST Code
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Topics: Heat transfer
Proceedings Papers

DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole

Xiangtao Xiao, Pei Wang, Qiang Du, Qingzong Xu, Jun Liu
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A009, June 7–11, 2021
Paper No: GT2021-59150
https://doi.org/10.1115/GT2021-59150
View Paper titled, DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole
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Topics: Delay differential equations, Film cooling, Pressure, Vortices, Coolants, Shear (Mechanics), Design, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Temperature
Proceedings Papers

Investigation of Unsteady Flow Characteristics in Axial Rim Seal

Lei Xie, Qiang Du, Guang Liu, Zengyan Lian, Ran Ren
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A002, June 7–11, 2021
Paper No: GT2021-58822
https://doi.org/10.1115/GT2021-58822
View Paper titled, Investigation of Unsteady Flow Characteristics in Axial Rim Seal
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Topics: Computational fluid dynamics, Unsteady flow, Flow (Dynamics), Sealing (Process), Cavities, Wheels, Pressure, Vortices, Coriolis force, Inertia (Mechanics)
Proceedings Papers

Numerical Investigation on Unsteady Characteristics in Different Rim Seal Geometries: Part B

Zengyan Lian, Qiang Du, Guang Liu, Ruonan Wang, Lei Xie
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A025, September 21–25, 2020
Paper No: GT2020-15607
https://doi.org/10.1115/GT2020-15607
View Paper titled, Numerical Investigation on Unsteady Characteristics in Different Rim Seal Geometries: Part B
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Topics: Blades, Computation, Computational fluid dynamics, Disks, Flow (Dynamics), Gas turbines, Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Sealants
Proceedings Papers

Unsteady Numerical Investigation on Film Cooling Characteristics of the Trailing Edge Cutback With Upstream Cylinder Hole

Xiangtao Xiao, Pei Wang, Qingzong Xu, Qiang Du, Jun Liu, Sheng Chang
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A051, September 21–25, 2020
Paper No: GT2020-15346
https://doi.org/10.1115/GT2020-15346
View Paper titled, Unsteady Numerical Investigation on Film Cooling Characteristics of the Trailing Edge Cutback With Upstream Cylinder Hole
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Topics: Cylinders, Film cooling, Vortex shedding, Coolants, Pressure, Design, Flat plates, High pressure (Physics), Numerical analysis, Temperature
Proceedings Papers

Effects of Cavity Purge Flow on Intermediate Turbine Duct Flowfield

Jun Liu, Qiang Du, Guang Liu, Pei Wang, Hongrui Liu, Qingzong Xu
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT43A005, June 11–15, 2018
Paper No: GT2018-76324
https://doi.org/10.1115/GT2018-76324
View Paper titled, Effects of Cavity Purge Flow on Intermediate Turbine Duct Flowfield
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Topics: Cavities, Ducts, Flow (Dynamics), Turbines, Engines, Design, Pressure, Blades, Diffusion (Physics), Experimental methods
Proceedings Papers

Numerical Investigation of the Cooling Performance on the Endwall With and Without Fillet

Qingzong Xu, Qiang Du, Pei Wang, Jun Liu, Guang Liu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A016, June 11–15, 2018
Paper No: GT2018-76316
https://doi.org/10.1115/GT2018-76316
View Paper titled, Numerical Investigation of the Cooling Performance on the Endwall With and Without Fillet
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Topics: Cooling, Combustion chambers, Flow (Dynamics), Turbines, Film cooling, Junctions, Turbulence, Cascades (Fluid dynamics), Computational methods, Coolants
Proceedings Papers

Asymptotically Compatible Schemes for Peridynamics Based on Numerical Quadratures

Qiang Du, Xiaochuan Tian
Proc. ASME. IMECE2014, Volume 1: Advances in Aerospace Technology, V001T01A058, November 14–20, 2014
Paper No: IMECE2014-39620
https://doi.org/10.1115/IMECE2014-39620
View Paper titled, Asymptotically Compatible Schemes for Peridynamics Based on Numerical Quadratures
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Topics: Approximation, Diffusion (Physics)
Proceedings Papers

Model Reduction by Proper Orthogonal Decomposition Coupled With Centroidal Voronoi Tessellations (Keynote)

Qiang Du, Max Gunzburger
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 1401-1406, July 14–18, 2002
Paper No: FEDSM2002-31051
https://doi.org/10.1115/FEDSM2002-31051
View Paper titled, Model Reduction by Proper Orthogonal Decomposition Coupled With Centroidal Voronoi Tessellations (Keynote)
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Topics: Approximation, Complex systems, Compression, Principal component analysis, Turbulence