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Journal Articles

Predicting NO x Emissions of a Lean Hydrogen Flame Using High and Low Order Computational Fluid Dynamics Models

M. Amerighi, A. Andreini, Stefano Orsino, Ishan Verma, Rakesh Yadav, T. Reichel, T. Tanneberger, C. O. Paschereit
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121019.
Paper No: GTP-24-1294
https://doi.org/10.1115/1.4066232
Published Online: September 6, 2024
View Article titled, Predicting NO x Emissions of a Lean Hydrogen Flame Using High and Low Order Computational Fluid Dynamics Models
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Topics: Emissions, Flames, Nitrogen oxides, Simulation, Hydrogen
Proceedings Papers

Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations

Ishan Verma, Rakesh Yadav, Stefano Orsino, Sourabh Shrivastava, Yuxin Zhang, Vasudevarao K., Vijayaraj Sukumar
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129230
https://doi.org/10.1115/GT2024-129230
View Paper titled, Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations
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Topics: Flames, Hydrogen, Large eddy simulation, Ejectors, Nitrogen oxides, Combustion, Particle image velocimetry, Air jets, Diffusion (Physics), Modeling
Proceedings Papers

Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order CFD Models

Matteo Amerighi, Antonio Andreini, Stefano Orsino, Ishan Verma, Rakesh Yadav, Thoralf Reichel, Tom Tanneberger, Oliver Paschereit
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A057, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128988
https://doi.org/10.1115/GT2024-128988
View Paper titled, Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order CFD Models
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Topics: Computational fluid dynamics, Emissions, Flames, Hydrogen, Nitrogen oxides, Simulation, Chemistry, Combustion, Reynolds-averaged Navier–Stokes equations, Combustion chambers
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

Numerical Simulation of Turbulent Premixed Flames Using Thickened Flame Model

Yu Xia, Ashish Newale, Rakesh Yadav, Ishan Verma, Didier Bessette
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A047, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102039
https://doi.org/10.1115/GT2023-102039
View Paper titled, Numerical Simulation of Turbulent Premixed Flames Using Thickened Flame Model
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Topics: Computer simulation, Flames, Turbulence, Simulation, Chemistry, Heat, Combustion, Eddies (Fluid dynamics), Filters, Flow (Dynamics)
Proceedings Papers

Partially Premixed Hydrogen-Methane Flame Simulations at Relevant Gas Turbine Conditions With a Thickened Flame Model Enhancement

Roberto Meloni, Stefano Orsino, Naseem Ansari, Rakesh Yadav, Didier Bessette, Simone Castellani, Pier Carlo Nassini, Antonio Andreini, Isaac Boxx
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A061, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102427
https://doi.org/10.1115/GT2023-102427
View Paper titled, Partially Premixed Hydrogen-Methane Flame Simulations at Relevant Gas Turbine Conditions With a Thickened Flame Model Enhancement
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Topics: Engineering simulation, Flames, Gas turbines, Hydrogen, Methane, Simulation, Computational fluid dynamics, Combustion, Combustion chambers, Cross-flow
Journal Articles

Solution-Based Mesh Adaption Criteria Development for Accelerating Flame Tracking Simulations

Sourabh Shrivastava, Ishan Verma, Rakesh Yadav, Pravin Nakod
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051005.
Paper No: GTP-22-1407
https://doi.org/10.1115/1.4055751
Published Online: December 20, 2022
View Article titled, Solution-Based Mesh Adaption Criteria Development for Accelerating Flame Tracking Simulations
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Topics: Flames, Flow (Dynamics), Fuels, Simulation, Sprays, Combustion, Temperature, Ignition
Proceedings Papers

Turbulent Combustion Modeling of Swirl Stabilized Blended CH 4 /H 2 Flames by Using Flamelet Generated Manifold

Ishan Verma, Rakesh Yadav, Sourabh Shrivastava, Pravin Nakod
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82583
https://doi.org/10.1115/GT2022-82583
View Paper titled, Turbulent Combustion Modeling of Swirl Stabilized Blended CH 4 /H 2 Flames by Using Flamelet Generated Manifold
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Topics: Combustion, Flamelet generated manifold, Flames, Methane, Modeling, Turbulence
Proceedings Papers

Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach

Yu Xia, Ishan Verma, Pravin Nakod, Rakesh Yadav, Stefano Orsino, Shaoping Li
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80733
https://doi.org/10.1115/GT2022-80733
View Paper titled, Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach
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Topics: Computer simulation, Flamelet generated manifold, Flames, Hydrogen, Flow (Dynamics), Temperature, Combustion, Engineering simulation, Fuels, Simulation
Proceedings Papers

Modeling of Flashback With Different Blends of CH4 and H2 by Using Finite Rate Chemistry With Large Eddy Simulation

Ishan Verma, Rakesh Yadav, Naseem Ansari, Stefano Orsino, Shaoping Li, Pravin Nakod
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82601
https://doi.org/10.1115/GT2022-82601
View Paper titled, Modeling of Flashback With Different Blends of CH4 and H2 by Using Finite Rate Chemistry With Large Eddy Simulation
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Topics: Chemistry, Combustion, Hydrogen, Large eddy simulation, Methane, Modeling, Combustion chambers, Engineering simulation, Simulation, Boundary layers
Proceedings Papers

Solution-Based Mesh Adaption Criteria Development for Accelerating Flame Tracking Simulations

Sourabh Shrivastava, Ishan Verma, Rakesh Yadav, Pravin Nakod
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A027, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82620
https://doi.org/10.1115/GT2022-82620
View Paper titled, Solution-Based Mesh Adaption Criteria Development for Accelerating Flame Tracking Simulations
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Topics: Flames, Simulation
Proceedings Papers

Predicting NOx Emissions In Gas Turbines Using Finite Rate Approach

Saurabh Patwardhan, Pravin Nakod, Stefano Orsino, Rakesh Yadav, Fang Xu, Dustin Brandt
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A028, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82622
https://doi.org/10.1115/GT2022-82622
View Paper titled, Predicting NOx Emissions In Gas Turbines Using Finite Rate Approach
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Topics: Chemistry, Computational fluid dynamics, Emissions, Gas turbines, Nitrogen oxides
Proceedings Papers

Assessment of Thickened Flame Model Coupled With Flamelet Generated Manifold on a Low-Swirl Partially Premixed Gaseous Lifted Flame

Leonardo Langone, Matteo Amerighi, Lorenzo Mazzei, Antonio Andreini, Stefano Orsino, Naseem Ansari, Rakesh Yadav
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82122
https://doi.org/10.1115/GT2022-82122
View Paper titled, Assessment of Thickened Flame Model Coupled With Flamelet Generated Manifold on a Low-Swirl Partially Premixed Gaseous Lifted Flame
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Topics: Flamelet generated manifold, Flames, Combustion, Chemistry, Computation, Computational fluid dynamics, Computer simulation, Fuels, Large eddy simulation, Manifolds
Journal Articles

Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach

Yu Xia, Ishan Verma, Pravin Nakod, Rakesh Yadav, Stefano Orsino, Shaoping Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091009.
Paper No: GTP-22-1238
https://doi.org/10.1115/1.4055104
Published Online: August 16, 2022
View Article titled, Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach
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Topics: Flamelet generated manifold, Flames, Fuels, Simulation, Temperature, Combustion, Flow (Dynamics), Turbulence
Proceedings Papers

Comparison of Performance of Flamelet Generated Manifold Model With That of Finite Rate Combustion Model for Hydrogen Blended Flames

Sourabh Shrivastava, Ishan Verma, Rakesh Yadav, Pravin Nakod, Stefano Orsino
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A040, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60232
https://doi.org/10.1115/GT2021-60232
View Paper titled, Comparison of Performance of Flamelet Generated Manifold Model With That of Finite Rate Combustion Model for Hydrogen Blended Flames
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Topics: Combustion, Flamelet generated manifold, Flames, Hydrogen
Proceedings Papers

Prediction of CO Emission Index for Aviation Gas Turbine Combustor Using Flamelet Generated Manifold Combustion Model

Saurabh Patwardhan, Pravin Nakod, Stefano Orsino, Rakesh Yadav, Fang Xu, Vishwas Verma
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59538
https://doi.org/10.1115/GT2021-59538
View Paper titled, Prediction of CO Emission Index for Aviation Gas Turbine Combustor Using Flamelet Generated Manifold Combustion Model
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Topics: Aviation, Combustion, Combustion chambers, Emissions, Flamelet generated manifold, Gas turbines, Fuels, Engines, Drops, Sprays
Proceedings Papers

A Fully Non-Adiabatic Flamelet Generated Manifold Model for High Fidelity Modeling of Turbulent Combustion in Gas Turbine Like Conditions

Rakesh Yadav, Ishan Verma, Abhijit Modak, Shaoping Li
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15814
https://doi.org/10.1115/GT2020-15814
View Paper titled, A Fully Non-Adiabatic Flamelet Generated Manifold Model for High Fidelity Modeling of Turbulent Combustion in Gas Turbine Like Conditions
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Topics: Combustion, Flamelet generated manifold, Gas turbines, Modeling, Turbulence, Flames, Temperature, Combustion chambers, Manifolds, Density
Proceedings Papers

Modeling Combustion in a Rearward-Facing Step Using a Hybrid RANS/LES Method

Ishan Verma, Rakesh Yadav, Pravin Nakod, Patrick Sharkey, Shaoping Li, Ellen Meeks
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T04A012, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2522
https://doi.org/10.1115/GTINDIA2019-2522
View Paper titled, Modeling Combustion in a Rearward-Facing Step Using a Hybrid RANS/LES Method
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Topics: Combustion, Flamelet generated manifold, Modeling, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Flamelet Generated Manifold Simulation of Turbulent Non-Premixed Bluff Body Flames

Ishan Verma, Rakesh Yadav, Pravin Nakod, Patrick Sharkey, Shaoping Li, Ellen Meeks
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T04A013, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2525
https://doi.org/10.1115/GTINDIA2019-2525
View Paper titled, Flamelet Generated Manifold Simulation of Turbulent Non-Premixed Bluff Body Flames
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Topics: Flamelet generated manifold, Flames, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence
Proceedings Papers

Impact of Combustion Models on Emissions Predictions From a Piloted Methane-Air Diffusion Flame

Chitralkumar V. Naik, Hossam Elasrag, Rakesh Yadav, Ahad Validi, Ellen Meeks
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A012, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5521
https://doi.org/10.1115/AJKFluids2019-5521
View Paper titled, Impact of Combustion Models on Emissions Predictions From a Piloted Methane-Air Diffusion Flame
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Topics: Combustion, Diffusion flames, Emissions, Flamelet generated manifold, Methane, Flames, Chemistry, Modeling, Simulation, Simulation results