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Proceedings Papers

Generic Framework for an Accurate, and Efficient Flutter Analysis

Laith Zori, Purvic Patel, Sunil Patil, Stephen Orlando, Rubens Campregher
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127818
https://doi.org/10.1115/GT2024-127818
View Paper titled, Generic Framework for an Accurate, and Efficient Flutter Analysis
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Topics: Flutter (Aerodynamics), Turbomachinery, Traveling waves, Blades, Compressors, Computational fluid dynamics, Damping, Design, Durability, Engines
Proceedings Papers

Workflow for Fast and Efficient Forced Response Analysis of Turbomachinery

Sunil Patil, Laurent Sabatier, Andrew Madden, Jeff Bronson, Laith Zori
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT24A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127785
https://doi.org/10.1115/GT2024-127785
View Paper titled, Workflow for Fast and Efficient Forced Response Analysis of Turbomachinery
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Topics: Turbomachinery, Workflow, Computational fluid dynamics, Finite element methods, Blades, Finite element analysis, High cycle fatigue, NASA, Rotors, Simulation
Proceedings Papers

Framework for Machine Learning-Based Turbulence Modeling to Accurately Predict the Complex Flows in Gas Turbines

Robert F. Blumenthal, Michal Siorek, Sunil Patil
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128443
https://doi.org/10.1115/GT2024-128443
View Paper titled, Framework for Machine Learning-Based Turbulence Modeling to Accurately Predict the Complex Flows in Gas Turbines
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Topics: Flow (Dynamics), Gas turbines, Machinery, Modeling, Turbulence, Computational fluid dynamics, Design, Industrial gases, Machine learning, Turbines
Proceedings Papers

Native Multi-GPU Solver for Complex Turbulent Flow Field Requiring Full Wheel Analysis in Turbomachinery

Sunil Patil, Frank Kelecy, Michael Wise
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A055, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129361
https://doi.org/10.1115/GT2024-129361
View Paper titled, Native Multi-GPU Solver for Complex Turbulent Flow Field Requiring Full Wheel Analysis in Turbomachinery
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Topics: Computational fluid dynamics, Graphics processing units, Turbomachinery, Turbulence, Wheels
Proceedings Papers

Initial Numerical Simulations of a Laboratory-Scale Premixed Hydrogen/Air High Swirl Experiment

Christopher J. Caulfield, Sunil Patil, Carlo Arguinzoni, Naseem Ansari, Paul Palies
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A029, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101461
https://doi.org/10.1115/GT2023-101461
View Paper titled, Initial Numerical Simulations of a Laboratory-Scale Premixed Hydrogen/Air High Swirl Experiment
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Topics: Computer simulation, Flames, Hydrogen
Proceedings Papers

Assessment of Flamelet Generated Manifold Approach With Inclusion of Stretch Effects of Pure Hydrogen Flames

Matteo Amerighi, Pier Carlo Nassini, Antonio Andreini, Stefano Orsino, Ishan Verma, Rakesh Yadav, Sunil Patil
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A077, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102651
https://doi.org/10.1115/GT2023-102651
View Paper titled, Assessment of Flamelet Generated Manifold Approach With Inclusion of Stretch Effects of Pure Hydrogen Flames
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Topics: Flamelet generated manifold, Flames, Hydrogen, Chemistry, Engineering simulation, Gas turbines, Simulation, Temperature, Aircraft engines, Aviation
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80700
https://doi.org/10.1115/GT2022-80700
View Paper titled, Efficient Modelling of Blade Film Cooling in Gas Turbines
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Topics: Blades, Cooling, Film cooling, Gas turbines, Modeling
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90456
https://doi.org/10.1115/GT2019-90456
View Paper titled, Hydro Francis Runner Stability and Forced Response Calculations
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Topics: Stability, Damping, Finite element analysis, Computational fluid dynamics, Fluids, Acoustics, Design, Fluid structure interaction, Flutter (Aerodynamics), Hydropower
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75057
https://doi.org/10.1115/GT2018-75057
View Paper titled, Modelling Strategies to Obtain the Forcing Function for a Forced Response Analysis
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Topics: Modeling, Pressure, Flow (Dynamics), Simulation, Wheels, Blades, Guide vanes, Hydraulic turbines, Rotors, Transients (Dynamics)
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57962
https://doi.org/10.1115/GT2016-57962
View Paper titled, Investigation of Time/Frequency Domain CFD Methods to Predict Turbomachinery Blade Aerodynamic Damping
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Topics: Blades, Computational fluid dynamics, Damping, Turbomachinery, Simulation, Pressure, Cycles, Design, Fourier transforms, Geometry
Proceedings Papers

Investigation of Single Jet Combustor Using Flamelet Generated Manifold Combustion Model and Detailed Chemistry

Sunil Patil, Judy Cooper, Stefano Orsino, Joseph Meadows, Richard Valdes, Walter R. Laster
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A051, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57986
https://doi.org/10.1115/GT2016-57986
View Paper titled, Investigation of Single Jet Combustor Using Flamelet Generated Manifold Combustion Model and Detailed Chemistry
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Topics: Chemistry, Combustion, Combustion chambers, Flamelet generated manifold, Flames, Elastic scattering, Natural gas, Raman effect, Atmospheric pressure, Combustion systems
Journal Articles

Investigation of Single-Jet Combustor Near Lean Blowout Conditions Using Flamelet-Generated Manifold Combustion Model and Detailed Chemistry

Sunil Patil, Judy Cooper, Stefano Orsino, Joseph Meadows, Richard Valdes, Walter R. Laster
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2016, 138(12): 121503.
Paper No: GTP-16-1264
https://doi.org/10.1115/1.4034041
Published Online: August 2, 2016
View Article titled, Investigation of Single-Jet Combustor Near Lean Blowout Conditions Using Flamelet-Generated Manifold Combustion Model and Detailed Chemistry
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Topics: Chemistry, Combustion, Flamelet generated manifold, Flames, Fuels, Simulation, Methane, Turbulence, Elastic scattering, Raman effect
Journal Articles

Reynolds-Averaged Navier–Stokes and Large-Eddy Simulation Investigation of Lean Premixed Gas Turbine Combustor

Sunil Patil, Federico Montanari
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2015, 137(12): 121506.
Paper No: GTP-14-1440
https://doi.org/10.1115/1.4030793
Published Online: June 23, 2015
View Article titled, Reynolds-Averaged Navier–Stokes and Large-Eddy Simulation Investigation of Lean Premixed Gas Turbine Combustor
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Topics: Combustion, Combustion chambers, Engineering simulation, Flamelet generated manifold, Flames, Gas turbines, Geometry, Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Simulation
Proceedings Papers

A Comparison of RANS and LES of an Industrial Lean Premixed Burner

Graham Goldin, Federico Montanari, Sunil Patil
Proc. ASME. GT2014, Volume 4A: Combustion, Fuels and Emissions, V04AT04A021, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25352
https://doi.org/10.1115/GT2014-25352
View Paper titled, A Comparison of RANS and LES of an Industrial Lean Premixed Burner
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Topics: Reynolds-averaged Navier–Stokes equations, Simulation, Flamelet generated manifold, Flames, Geometry, Turbulence, Combustion chambers, Heat losses, Chemistry, Combustion
Proceedings Papers

Investigation of Efficient CFD Methods for the Prediction of Blade Damping

Robin Elder, Ian Woods, Sunil Patil, William Holmes, Robin Steed, Brad Hutchinson
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT33A009, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95005
https://doi.org/10.1115/GT2013-95005
View Paper titled, Investigation of Efficient CFD Methods for the Prediction of Blade Damping
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Topics: Blades, Computational fluid dynamics, Damping, Fourier transforms, Simulation, Compressors, Computational methods, Deformation, Design, Fluid dynamics
Journal Articles

Large-Eddy Simulation With Zonal Near Wall Treatment of Flow and Heat Transfer in a Ribbed Duct for the Internal Cooling of Turbine Blades

Sunil Patil, Danesh Tafti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031006.
Paper No: TURBO-11-1245
https://doi.org/10.1115/1.4006640
Published Online: March 25, 2013
View Article titled, Large-Eddy Simulation With Zonal Near Wall Treatment of Flow and Heat Transfer in a Ribbed Duct for the Internal Cooling of Turbine Blades
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Topics: Ducts, Flow (Dynamics), Heat transfer, Turbulence, Reynolds number, Cooling
Journal Articles

Large-Eddy Simulation of Flow and Convective Heat Transfer in a Gas Turbine Can Combustor With Synthetic Inlet Turbulence

Sunil Patil, Danesh Tafti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Gas Turbines: Combustion, Fuels, And Emissions
J. Eng. Gas Turbines Power. July 2012, 134(7): 071503.
https://doi.org/10.1115/1.4006081
Published Online: May 23, 2012
View Article titled, Large-Eddy Simulation of Flow and Convective Heat Transfer in a Gas Turbine Can Combustor With Synthetic Inlet Turbulence
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Topics: Combustion chambers, Flow (Dynamics), Heat transfer, Reynolds number, Turbulence, Gas turbines, Large eddy simulation, Convection
Proceedings Papers

Large Eddy Simulation of Flow and Convective Heat Transfer in a Gas Turbine Can Combustor With Synthetic Inlet Turbulence

Sunil Patil, Danesh Tafti
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 2011-2025, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46561
https://doi.org/10.1115/GT2011-46561
View Paper titled, Large Eddy Simulation of Flow and Convective Heat Transfer in a Gas Turbine Can Combustor With Synthetic Inlet Turbulence
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Topics: Combustion chambers, Convection, Flow (Dynamics), Gas turbines, Large eddy simulation, Turbulence, Heat transfer, Reynolds-averaged Navier–Stokes equations, Simulation, Boundary-value problems
Proceedings Papers

Large-Eddy Simulation With Zonal Near Wall Treatment of Flow and Heat Transfer in a Ribbed Duct for the Internal Cooling of Turbine Blades

Sunil Patil, Danesh Tafti
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1279-1292, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45749
https://doi.org/10.1115/GT2011-45749
View Paper titled, Large-Eddy Simulation With Zonal Near Wall Treatment of Flow and Heat Transfer in a Ribbed Duct for the Internal Cooling of Turbine Blades
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Topics: Cooling, Ducts, Flow (Dynamics), Heat transfer, Large eddy simulation, Turbine blades, Reynolds number, Boundary layer turbulence, Boundary-value problems, Friction
Journal Articles

Study of Flow and Convective Heat Transfer in a Simulated Scaled Up Low Emission Annular Combustor

Sunil Patil, Teddy Sedalor, Danesh Tafti, Srinath Ekkad, Yong Kim, Partha Dutta, Hee-Koo Moon, Ram Srinivasan
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2011, 3(3): 031010.
https://doi.org/10.1115/1.4004531
Published Online: August 12, 2011
View Article titled, Study of Flow and Convective Heat Transfer in a Simulated Scaled Up Low Emission Annular Combustor
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Topics: Combustion chambers, Flow (Dynamics), Heat transfer, Reynolds number, Heat transfer coefficients, Turbulence, Emissions, Convection