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Proceedings Papers

Efficient Modelling of Blade Film Cooling in Gas Turbines

Justin Penrose, Laith Zori, Juan Carlos Morales, Sunil Patil, David Pons, Samir Rida

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A010, June 13–17, 2022

Paper No: GT2022-80700

DOI: https://doi.org/10.1115/GT2022-80700

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Topics: Blades, Cooling, Film cooling, Gas turbines, Modeling

Proceedings Papers

Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A004, June 13–17, 2022

Paper No: GT2022-78101

DOI: https://doi.org/10.1115/GT2022-78101

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Topics: Blades, Compressors, Computational fluid dynamics, Rotors, Stators, Engineering simulation, Simulation, Waves, Disks, Reflection

Proceedings Papers

Impact of Upstream and Downstream Excitation and Multi-Row Interaction on the Mistuned Forced Response Behavior of an Embedded Compressor Rotor: Higher-Order Mode Aeromechanics

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb

Paper No: GT2022-78033

DOI: https://doi.org/10.1115/GT2022-78033

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Topics: Compressors, Computational fluid dynamics, Excitation, Rotors

Proceedings Papers

Application of the Harmonic Balance Method for Large Spread Multiple Frequency Scales

Thomas Biesinger, Maximilian Kölzer, Alexander Schukmann, Harald Roclawski, Marc Kainz, Philippe Godin, Juan Carlos Morales, Laith Zori

Paper No: GT2022-79393

DOI: https://doi.org/10.1115/GT2022-79393

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Topics: Algorithms, Computation, Computational fluid dynamics, Excitation, Flow (Dynamics), Machinery, Modeling, Optimization, Piston engines, Pressure

Proceedings Papers

Modeling of Combustor-Turbine Vane Interaction Using Stress-Blended Eddy Simulation

Ishan Verma, Samir Rida, Laith Zori, Jaydeep Basani, Benjamin Kamrath, Dustin Brandt

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A008, June 7–11, 2021

Paper No: GT2021-59344

DOI: https://doi.org/10.1115/GT2021-59344

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Topics: Combustion chambers, Eddies (Fluid dynamics), Modeling, Simulation, Stress, Turbines, Stators, Flow (Dynamics), Boundary-value problems, Computational fluid dynamics

Proceedings Papers

Influence of Stator Hub Cavities on the Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A002, June 7–11, 2021

Paper No: GT2021-58779

DOI: https://doi.org/10.1115/GT2021-58779

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Topics: Cavities, Compressors, Rotors, Stators

Proceedings Papers

Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A012, September 21–25, 2020

Paper No: GT2020-14482

DOI: https://doi.org/10.1115/GT2020-14482

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Topics: Compressors, Rotors

Proceedings Papers

Hydro Francis Runner Stability and Forced Response Calculations

Charles Seeley, Sunil Patil, Andy Madden, Stuart Connell, Gwenael Hauet, Laith Zori

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A006, June 17–21, 2019

Paper No: GT2019-90456

DOI: https://doi.org/10.1115/GT2019-90456

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Topics: Stability, Damping, Finite element analysis, Computational fluid dynamics, Fluids, Acoustics, Design, Fluid structure interaction, Flutter (Aerodynamics), Hydropower

Proceedings Papers

Modeling of Combustor and Turbine Vane Interaction

Ishan Verma, Laith Zori, Jaydeep Basani, Samir Rida

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A014, June 17–21, 2019

Paper No: GT2019-90325

DOI: https://doi.org/10.1115/GT2019-90325

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Topics: Combustion chambers, Modeling, Turbines, Simulation, Nozzle guide vanes, Aircraft engines, Flow (Dynamics), Boundary-value problems, Compressors, Engines

Journal Articles

Separation of Up and Downstream Forced Response Excitations of an Embedded Compressor Rotor

Shreyas Hegde, Zhiping Mao, Tianyu Pan, Laith Zori, Rubens Campregher, Robert Kielb

J. Turbomach. September 2019, 141(9): 091013.

Paper No: TURBO-18-1340

DOI: https://doi.org/10.1115/1.4044212

Published Online: August 1, 2019

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Topics: Blades, Compressors, Excitation, Pressure, Reflection, Rotors, Simulation, Stators, Waves, Wakes

Proceedings Papers

Influence of Rotor-Stator Interaction and Reflecting Boundary Conditions on Compressor Forced Response

Zhiping Mao, Shreyas Hegde, Tianyu Pan, Robert E. Kielb, Laith Zori, Rubens Campregher

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A004, June 11–15, 2018

Paper No: GT2018-75232

DOI: https://doi.org/10.1115/GT2018-75232

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Topics: Boundary-value problems, Compressors, Rotors, Stators, Inlet guide vanes, Blades, Reflection, Simulation, Computation, Energy transformation

Proceedings Papers

Modelling Strategies to Obtain the Forcing Function for a Forced Response Analysis

Stuart Connell, Laith Zori, Sunil Patil

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A002, June 11–15, 2018

Paper No: GT2018-75057

DOI: https://doi.org/10.1115/GT2018-75057

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Topics: Modeling, Pressure, Flow (Dynamics), Simulation, Wheels, Blades, Guide vanes, Hydraulic turbines, Rotors, Transients (Dynamics)

Proceedings Papers

Experimental and Numerical Characterization of Transonic Compressor Subjected to Inlet Distortion

Mark H. Ross, Andrew Oliva, Vicente Jerez Fidalgo, Ryan T. Kelly, Aleksandar Jemcov, William Holmes, Laith Zori

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A038, June 11–15, 2018

Paper No: GT2018-76653

DOI: https://doi.org/10.1115/GT2018-76653

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Topics: Compressors, Pressure, Rotors, Blades, Pressure measurement, Simulation, Annulus, Computation, Computer simulation, Instrumentation

Journal Articles

Time-Transformation Simulation of a 1.5 Stage Transonic Compressor

Laith Zori, Paul Galpin, Rubens Campregher, Juan Carlos Morales

J. Turbomach. July 2017, 139(7): 071001.

Paper No: TURBO-16-1109

DOI: https://doi.org/10.1115/1.4035450

Published Online: February 23, 2017

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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Rotors, Simulation, Stators, Steady state, Transients (Dynamics), Inlet guide vanes

Proceedings Papers

Investigation of Time/Frequency Domain CFD Methods to Predict Turbomachinery Blade Aerodynamic Damping

Sunil Patil, Laith Zori, Paul Galpin, JuanCarlos Morales, Philippe Godin

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A028, June 13–17, 2016

Paper No: GT2016-57962

DOI: https://doi.org/10.1115/GT2016-57962

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Topics: Blades, Computational fluid dynamics, Damping, Turbomachinery, Simulation, Pressure, Cycles, Design, Fourier transforms, Geometry

Proceedings Papers

Efficient Modeling Strategy of an Axial Compressor Fan-Stage Under Inlet Distortion

Bryan Lobo, Laith Zori, Paul Galpin, William Holmes

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A039, June 13–17, 2016

Paper No: GT2016-57467

DOI: https://doi.org/10.1115/GT2016-57467

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Topics: Compressors, Modeling, Stators, Flow (Dynamics), Pressure, Rotors, Design, Geometry, Stress, Transients (Dynamics)

Journal Articles

Mistuned Forced Response Predictions of an Embedded Rotor in a Multistage Compressor

Fanny M. Besem, Robert E. Kielb, Paul Galpin, Laith Zori, Nicole L. Key

J. Turbomach. June 2016, 138(6): 061003.

Paper No: TURBO-15-1228

DOI: https://doi.org/10.1115/1.4032164

Published Online: February 9, 2016

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Topics: Blades, Compressors, Computational fluid dynamics, Pressure, Rotors, Simulation, Stators, Transients (Dynamics)

Proceedings Papers

Time Transformation Simulation of 1.5 Stage Transonic Compressor

Laith Zori, Paul Galpin, Rubens Campregher, Juan Carlos Morales

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A027, June 15–19, 2015

Paper No: GT2015-43624

DOI: https://doi.org/10.1115/GT2015-43624

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Topics: Compressors, Simulation, Blades, Transients (Dynamics), Flow (Dynamics), Steady state, Turbomachinery, Unsteady flow, Acoustics, Flutter (Aerodynamics)

Proceedings Papers

Efficient Time Resolved Multistage CFD Analysis Applied to Axial Compressors

Christian Cornelius, Thomas Biesinger, Laith Zori, Rubens Campregher, Paul Galpin, André Braune

Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A035, June 16–20, 2014

Paper No: GT2014-26846

DOI: https://doi.org/10.1115/GT2014-26846

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Topics: Compressors, Computational fluid dynamics, Blades, Modeling, Flow (Dynamics), Transients (Dynamics), Computation, Computers, Design, Machinery

Proceedings Papers

Efficient Computation of Large Pitch Ratio Transonic Flow in a Fan With Inlet Distortion

Gaurav Sharma, Laith Zori, Stuart Connell, Philippe Godin

Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT42A025, June 3–7, 2013

Paper No: GT2013-95059

DOI: https://doi.org/10.1115/GT2013-95059

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Topics: Computation, Transonic flow, Annulus, Blades, Pressure, Aircraft engines, Boundary-value problems, Dynamics (Mechanics), Flow (Dynamics), Fourier transforms

Journal citation

NARROW

Efficient Modelling of Blade Film Cooling in Gas Turbines

Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response

Impact of Upstream and Downstream Excitation and Multi-Row Interaction on the Mistuned Forced Response Behavior of an Embedded Compressor Rotor: Higher-Order Mode Aeromechanics

Application of the Harmonic Balance Method for Large Spread Multiple Frequency Scales

Modeling of Combustor-Turbine Vane Interaction Using Stress-Blended Eddy Simulation

Influence of Stator Hub Cavities on the Forced Response Behaviour of an Embedded Compressor Rotor

Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor

Hydro Francis Runner Stability and Forced Response Calculations

Modeling of Combustor and Turbine Vane Interaction

Separation of Up and Downstream Forced Response Excitations of an Embedded Compressor Rotor

Influence of Rotor-Stator Interaction and Reflecting Boundary Conditions on Compressor Forced Response

Modelling Strategies to Obtain the Forcing Function for a Forced Response Analysis

Experimental and Numerical Characterization of Transonic Compressor Subjected to Inlet Distortion

Time-Transformation Simulation of a 1.5 Stage Transonic Compressor

Investigation of Time/Frequency Domain CFD Methods to Predict Turbomachinery Blade Aerodynamic Damping

Efficient Modeling Strategy of an Axial Compressor Fan-Stage Under Inlet Distortion

Mistuned Forced Response Predictions of an Embedded Rotor in a Multistage Compressor

Time Transformation Simulation of 1.5 Stage Transonic Compressor

Efficient Time Resolved Multistage CFD Analysis Applied to Axial Compressors

Efficient Computation of Large Pitch Ratio Transonic Flow in a Fan With Inlet Distortion

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