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Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022

Paper No: GT2022-81748

DOI: https://doi.org/10.1115/GT2022-81748

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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows

Proceedings Papers

High-Fidelity CFD Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Mario Carta, Tiziano Ghisu, Shahrokh Shahpar

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A019, June 13–17, 2022

Paper No: GT2022-82171

DOI: https://doi.org/10.1115/GT2022-82171

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Topics: Blades, Computational fluid dynamics, Damage, High pressure (Physics), Reverse engineering, Rotors, Turbines

Proceedings Papers

Digital Shadow and Robust Optimization of in Service Squealer Tip Turbine Blades

Irene Virdis, Tiziano Ghisu, Shahrokh Shahpar, Iñaki de la Puerta, Haidong Li

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A009, June 13–17, 2022

Paper No: GT2022-81779

DOI: https://doi.org/10.1115/GT2022-81779

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Topics: High pressure (Physics), Optimization, Shades and shadows, Turbine blades, Uncertainty quantification

Journal Articles

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson

J. Turbomach. December 2022, 144(12): 121009.

Paper No: TURBO-22-1121

DOI: https://doi.org/10.1115/1.4055350

Published Online: September 19, 2022

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Topics: Blades, Design, Computational fluid dynamics, Flow (Dynamics), Stability, Pressure, Momentum, Leakage flows, Leakage

Journal Articles

High-Fidelity Computational Fluid Dynamics Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Mario Carta, Tiziano Ghisu, Shahrokh Shahpar

J. Turbomach. December 2022, 144(12): 121001.

Paper No: TURBO-22-1122

DOI: https://doi.org/10.1115/1.4055267

Published Online: September 13, 2022

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Topics: Blades, Computational fluid dynamics, Damage, Rotors, Shapes, Turbines, Reverse engineering, High pressure (Physics), Flow (Dynamics), Airfoils

Journal Articles

Global Optimization of a Transonic Fan Blade Through AI-Enabled Active Subspaces

Diego I. Lopez, Tiziano Ghisu, Shahrokh Shahpar

J. Turbomach. January 2022, 144(1): 011013.

Paper No: TURBO-21-1141

DOI: https://doi.org/10.1115/1.4052136

Published Online: September 21, 2021

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Topics: Blades, Design, Optimization, Computational fluid dynamics, Artificial neural networks

Proceedings Papers

Global Optimisation of a Transonic Fan Blade Through AI-Enabled Active Subspaces

Diego I. Lopez, Tiziano Ghisu, Shahrokh Shahpar

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A026, June 7–11, 2021

Paper No: GT2021-59166

DOI: https://doi.org/10.1115/GT2021-59166

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Topics: Artificial neural networks, Blades, Computational fluid dynamics, Design, Optimization

Journal Articles

A Comparison of Different Approaches to Estimate the Efficiency of Wells Turbines

Fabio Licheri, Francesco Cambuli, Pierpaolo Puddu, Tiziano Ghisu

J. Fluids Eng. May 2021, 143(5): 051205.

Paper No: FE-20-1442

DOI: https://doi.org/10.1115/1.4049686

Published Online: February 9, 2021

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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Turbines, Turbulence, Wells, Simulation, Engineering simulation, Torque

Journal Articles

A Critical Examination of the Hysteresis in Wells Turbines Using Computational Fluid Dynamics and Lumped Parameter Models

Tiziano Ghisu, Francesco Cambuli, Pierpaolo Puddu, Irene Virdis, Mario Carta, Fabio Licheri

J. Offshore Mech. Arct. Eng. October 2020, 142(5): 052001.

Paper No: OMAE-19-1103

DOI: https://doi.org/10.1115/1.4046379

Published Online: March 11, 2020

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Topics: Computational fluid dynamics, Flow (Dynamics), Lumped parameter models, Simulation, Torque, Turbines, Wells, Pistons

Journal Articles

Discussion: “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions” (Hu and Li, ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901)

Tiziano Ghisu, Francesco Cambuli, Pierpaolo Puddu, Irene Virdis, Mario Carta

J. Offshore Mech. Arct. Eng. August 2019, 141(4): 045501.

Paper No: OMAE-18-1072

DOI: https://doi.org/10.1115/1.4042875

Published Online: March 14, 2019

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Topics: Simulation, Turbines, Wells, Airfoils, Engineering simulation, Reynolds-averaged Navier–Stokes equations, Ocean engineering, Unsteady flow

Journal Articles

Affordable Uncertainty Quantification for Industrial Problems: Application to Aero-Engine Fans

Tiziano Ghisu, Shahrokh Shahpar

J. Turbomach. May 2018, 140(6): 061005.

Paper No: TURBO-17-1198

DOI: https://doi.org/10.1115/1.4038982

Published Online: April 27, 2018

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Topics: Blades, Design, Geometry, Polynomials, Pressure, Uncertainty, Uncertainty quantification, Fans, Chaos, Flow (Dynamics)

Proceedings Papers

Toward Affordable Uncertainty Quantification for Industrial Problems: Part I — Theory and Validation

Tiziano Ghisu, Shahrokh Shahpar

Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A019, June 26–30, 2017

Paper No: GT2017-64842

DOI: https://doi.org/10.1115/GT2017-64842

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Topics: Uncertainty quantification, Polynomials, Uncertainty, Approximation, Chaos, Deflection, Least squares approximations, Tensors

Proceedings Papers

Toward Affordable Uncertainty Quantification for Industrial Problems: Part II — Turbomachinery Application

Tiziano Ghisu, Shahrokh Shahpar

Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A021, June 26–30, 2017

Paper No: GT2017-64845

DOI: https://doi.org/10.1115/GT2017-64845

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Topics: Turbomachinery, Uncertainty quantification, Uncertainty, Manufacturing, Shapes, Blades, Design, Chaos, Engineering simulation, Fans

Journal Articles

Physical Explanation of the Hysteresis in Wells Turbines: A Critical Reconsideration

Tiziano Ghisu, Pierpaolo Puddu, Francesco Cambuli

J. Fluids Eng. November 2016, 138(11): 111105.

Paper No: FE-15-1895

DOI: https://doi.org/10.1115/1.4033320

Published Online: July 15, 2016

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Topics: Blades, Flow (Dynamics), Turbines, Wells, Geometry

Journal Articles

Balancing Configuration and Refinement in the Design of Two-Spool Multistage Compression Systems

Jerome P. Jarrett, Tiziano Ghisu

J. Turbomach. September 2015, 137(9): 091008.

Paper No: TURBO-15-1036

DOI: https://doi.org/10.1115/1.4030051

Published Online: September 1, 2015

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Topics: Compression, Design, Optimization, Surges

Proceedings Papers

Balancing Configuration and Refinement in the Design of Two-Spool Multistage Compression Systems

Jerome P. Jarrett, Tiziano Ghisu

Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A028, June 16–20, 2014

Paper No: GT2014-26371

DOI: https://doi.org/10.1115/GT2014-26371

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Topics: Compression, Design, Computational fluid dynamics, Degrees of freedom, Optimization, Optimization algorithms, Physics, Pressure, Surges, Turbofans

Proceedings Papers

Characterisation of the Uncertainties of the Operating Conditions in Turbomachinery Design

Timoleon Kipouros, Vassilios Pachidis, Tiziano Ghisu, Ioannis Templalexis

Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 793-802, June 14–18, 2010

Paper No: GT2010-23253

DOI: https://doi.org/10.1115/GT2010-23253

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Topics: Design, Turbomachinery, Uncertainty, Compression, Compressors, Flow (Dynamics), Density, Engineering design, Engines, Gas turbines

Journal Articles

An Integrated System for the Aerodynamic Design of Compression Systems—Part I: Development

Tiziano Ghisu, Geoffrey T. Parks, Jerome P. Jarrett, P. John Clarkson

J. Turbomach. January 2011, 133(1): 011011.

DOI: https://doi.org/10.1115/1.4000534

Published Online: September 21, 2010

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Topics: Design, Optimization, Gas turbines

Journal Articles

An Integrated System for the Aerodynamic Design of Compression Systems—Part II: Application

Tiziano Ghisu, Geoffrey T. Parks, Jerome P. Jarrett, P. John Clarkson

J. Turbomach. January 2011, 133(1): 011012.

DOI: https://doi.org/10.1115/1.4000535

Published Online: September 21, 2010

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Topics: Compression, Design, Optimization, Compressors, Ducts, Gas turbines

Proceedings Papers

On the Coupling of Designer Experience and Modularity in the Aerothermal Design of Turbomachinery

Jerome P. Jarrett, Tiziano Ghisu, Geoffrey T. Parks

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 2101-2110, June 9–13, 2008

Paper No: GT2008-50131

DOI: https://doi.org/10.1115/GT2008-50131

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Topics: Design, Turbomachinery, Compression, Compressors, Engineers, Machinery, Modeling, Performance, Turbofans

Journal citation

NARROW

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

High-Fidelity CFD Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Digital Shadow and Robust Optimization of in Service Squealer Tip Turbine Blades

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

High-Fidelity Computational Fluid Dynamics Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Global Optimization of a Transonic Fan Blade Through AI-Enabled Active Subspaces

Global Optimisation of a Transonic Fan Blade Through AI-Enabled Active Subspaces

A Comparison of Different Approaches to Estimate the Efficiency of Wells Turbines

A Critical Examination of the Hysteresis in Wells Turbines Using Computational Fluid Dynamics and Lumped Parameter Models

Discussion: “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions” (Hu and Li, ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901)

Affordable Uncertainty Quantification for Industrial Problems: Application to Aero-Engine Fans

Toward Affordable Uncertainty Quantification for Industrial Problems: Part I — Theory and Validation

Toward Affordable Uncertainty Quantification for Industrial Problems: Part II — Turbomachinery Application

Physical Explanation of the Hysteresis in Wells Turbines: A Critical Reconsideration

Balancing Configuration and Refinement in the Design of Two-Spool Multistage Compression Systems

Balancing Configuration and Refinement in the Design of Two-Spool Multistage Compression Systems

Characterisation of the Uncertainties of the Operating Conditions in Turbomachinery Design

An Integrated System for the Aerodynamic Design of Compression Systems—Part I: Development

An Integrated System for the Aerodynamic Design of Compression Systems—Part II: Application

On the Coupling of Designer Experience and Modularity in the Aerothermal Design of Turbomachinery

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