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Proceedings Papers

Acoustic and Aerodynamic Performance of Serrated Leading Edges on the Bypass Outlet Guide Vanes

Cleopatra Cuciumita, Ning Qin, Shahrokh Shahpar, Howoong Namgoong
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103070
https://doi.org/10.1115/GT2023-103070
View Paper titled, Acoustic and Aerodynamic Performance of Serrated Leading Edges on the Bypass Outlet Guide Vanes
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Topics: Acoustics, Guide vanes, Lattice Boltzmann methods, Noise (Sound)
Journal Articles

Exploring Topology Optimization for High Pressure Turbine Blade Tips

Luka Vincekovic, Alistair John, Ning Qin, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071013.
Paper No: TURBO-21-1167
https://doi.org/10.1115/1.4053917
Published Online: March 16, 2022
View Article titled, Exploring Topology Optimization for High Pressure Turbine Blade Tips
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Topics: Blades, Design, Optimization, Topology, High pressure (Physics), Turbines, Pressure, Flow (Dynamics), Parametrization
Proceedings Papers

Structural Integrity of Serrated Leading Edge Guide Vane Blades for Noise Reduction

Cleopatra Cuciumita, Ning Qin, Felix Stanley, Shahrokh Shahpar
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58747
https://doi.org/10.1115/GT2021-58747
View Paper titled, Structural Integrity of Serrated Leading Edge Guide Vane Blades for Noise Reduction
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Topics: Blades, Guide vanes, Noise control
Proceedings Papers

Structurally Constrained Aerodynamic Adjoint Optimisation of Highly Loaded Compressor Blades

Cleopatra Cuciumita, Alistair John, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A016, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59717
https://doi.org/10.1115/GT2021-59717
View Paper titled, Structurally Constrained Aerodynamic Adjoint Optimisation of Highly Loaded Compressor Blades
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Topics: Blades, Compressors, Deformation, Optimization, Stress
Proceedings Papers

Exploring Topology Optimisation of High Pressure Turbine Blade Tips

Luka Vincekovic, Alistair John, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A032, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16059
https://doi.org/10.1115/GT2020-16059
View Paper titled, Exploring Topology Optimisation of High Pressure Turbine Blade Tips
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Topics: High pressure (Physics), Optimization, Topology, Turbine blades, Blades, Design, Geometry, Rotors, Shapes, Turbines
Proceedings Papers

The Influence of Parameterisation Setup on the Constrained Adjoint Optimisation of Transonic Fan Blades

Alistair John, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15352
https://doi.org/10.1115/GT2020-15352
View Paper titled, The Influence of Parameterisation Setup on the Constrained Adjoint Optimisation of Transonic Fan Blades
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Topics: Blades, Optimization, Compressors, Deformation, Design
Proceedings Papers

Using Feature-Based Mesh Adaptation to Improve the Adjoint Optimisation of Transonic Compressor Blades

Alistair John, Guglielmo Vivarelli, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15351
https://doi.org/10.1115/GT2020-15351
View Paper titled, Using Feature-Based Mesh Adaptation to Improve the Adjoint Optimisation of Transonic Compressor Blades
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Topics: Blades, Compressors, Optimization, Design, Flow (Dynamics), Shock (Mechanics), Geometry, Separation (Technology), Simulation, Turbomachinery
Journal Articles

Using Shock Control Bumps to Improve Transonic Fan/Compressor Blade Performance

Alistair John, Ning Qin, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081003.
Paper No: TURBO-18-1271
https://doi.org/10.1115/1.4042891
Published Online: March 2, 2019
View Article titled, Using Shock Control Bumps to Improve Transonic Fan/Compressor Blade Performance
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Topics: Blades, Design, Flow (Dynamics), Geometry, Optimization, Shock (Mechanics), Separation (Technology), Rotors, Compressors
Proceedings Papers

Efficient Adjoint-Based Mesh Adaptation Applied to Turbo-Machinery Flows

Guglielmo Vivarelli, Ning Qin, Shahrokh Shahpar, David Radford
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A049, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77066
https://doi.org/10.1115/GT2018-77066
View Paper titled, Efficient Adjoint-Based Mesh Adaptation Applied to Turbo-Machinery Flows
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Topics: Flow (Dynamics), Turbomachinery, Errors, Computer software, Engineers, Interpolation, Springs, Stiffness
Proceedings Papers

Using Shock Control Bumps to Improve Transonic Fan/Compressor Blade Performance

Alistair John, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A042, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77065
https://doi.org/10.1115/GT2018-77065
View Paper titled, Using Shock Control Bumps to Improve Transonic Fan/Compressor Blade Performance
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Topics: Blades, Compressors, Shock (Mechanics), Separation (Technology), Turbomachinery, Delays, Design, Geometry, Optimization, Stall inception
Journal Articles

The Impact of Realistic Casing Geometries and Clearances on Fan Blade Tip Aerodynamics

Alistair John, Ning Qin, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061002.
Paper No: TURBO-17-1166
https://doi.org/10.1115/1.4038834
Published Online: April 18, 2018
View Article titled, The Impact of Realistic Casing Geometries and Clearances on Fan Blade Tip Aerodynamics
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Topics: Blades, Clearances (Engineering), Aerodynamics, Flow (Dynamics), Design
Proceedings Papers

Fan Blade Tip Aerodynamics With Realistic Operational Casing Geometries and Clearances

Alistair John, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A033, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64403
https://doi.org/10.1115/GT2017-64403
View Paper titled, Fan Blade Tip Aerodynamics With Realistic Operational Casing Geometries and Clearances
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Topics: Aerodynamics, Blades, Clearances (Engineering), Engines, Flow (Dynamics), Response surface methodology
Journal Articles

Novel Compressor Blade Shaping Through a Free-Form Method

Alistair John, Shahrokh Shahpar, Ning Qin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2017, 139(8): 081002.
Paper No: TURBO-16-1228
https://doi.org/10.1115/1.4035833
Published Online: March 15, 2017
View Article titled, Novel Compressor Blade Shaping Through a Free-Form Method
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Topics: Blades, Compressors, Design, Flow (Dynamics), Optimization, Rotors, Shapes, Shock (Mechanics), Pressure, Geometry
Proceedings Papers

Alleviation of Shock-Wave Effects on a Highly Loaded Axial Compressor Through Novel Blade Shaping

Alistair John, Shahrokh Shahpar, Ning Qin
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A040, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57550
https://doi.org/10.1115/GT2016-57550
View Paper titled, Alleviation of Shock-Wave Effects on a Highly Loaded Axial Compressor Through Novel Blade Shaping
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Topics: Blades, Compressors, Shock wave effects, Compression, Design, Shapes, Shock (Mechanics), Deformation, Geometry, Optimization
Journal Articles

Design Optimization of Casing Grooves Using Zipper Layer Meshing

Ning Qin, Greg Carnie, Yibin Wang, Shahrokh Shahpar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031002.
Paper No: TURBO-12-1185
https://doi.org/10.1115/1.4024650
Published Online: September 26, 2013
View Article titled, Design Optimization of Casing Grooves Using Zipper Layer Meshing
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Topics: Blades, Design, Flow (Dynamics), Optimization, Pressure, Rotors
Proceedings Papers

Design Optimisation of Casing Grooves Using the Zipper Layer Meshing Method

Greg Carnie, Yibin Wang, Ning Qin, Shahrokh Shahpar
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1163-1174, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45483
https://doi.org/10.1115/GT2011-45483
View Paper titled, Design Optimisation of Casing Grooves Using the Zipper Layer Meshing Method
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Topics: Design, Optimization, Rotors, Response surface methodology, Algorithms, Computer software, Cycles, Experimental design, Flow (Dynamics), Gas turbines