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Journal Articles

Large Eddy Simulation of Ammonia–Hydrogen Nonpremixed Flames Stabilized on a Bluff Body Burner

Yu Xia, Ishan Verma, Sourabh Shrivastava, Pravin Nakod, David F. Fletcher, Bassam Dally
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121029.
Paper No: GTP-24-1550
https://doi.org/10.1115/1.4066593
Published Online: October 25, 2024
View Article titled, Large Eddy Simulation of Ammonia–Hydrogen Nonpremixed Flames Stabilized on a Bluff Body Burner
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Topics: Flamelet generated manifold, Flames, Fuels, Simulation, Temperature, Hydrogen, Combustion, Nitrogen oxides, Large eddy simulation, Cracking (Materials)
Proceedings Papers

Large Eddy Simulation of Ammonia-Hydrogen Non-Premixed Flames Stabilized on a Bluff Body Burner

Yu Xia, Ishan Verma, Sourabh Shrivastava, Pravin Nakod, David F. Fletcher, Bassam Dally
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125957
https://doi.org/10.1115/GT2024-125957
View Paper titled, Large Eddy Simulation of Ammonia-Hydrogen Non-Premixed Flames Stabilized on a Bluff Body Burner
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Topics: Combustion, Cracking (Materials), Emissions, Flamelet generated manifold, Flames, Fracture (Process), Fuels, Hydrogen, Large eddy simulation, Nitrogen oxides
Proceedings Papers

Accuracy Improvement of Flamelet Generated Manifold (FGM) Model in Modeling Partially Premixed Combustion Systems by Combining Machine Learning

Sourabh Shrivastava, Shitanshu Gohel, Mohan Srinivasa, Hemesh Patil, Pravin Nakod
Proc. ASME. GTINDIA2023, ASME 2023 Gas Turbine India Conference, V001T04A001, December 7–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2023-117326
https://doi.org/10.1115/GTINDIA2023-117326
View Paper titled, Accuracy Improvement of Flamelet Generated Manifold (FGM) Model in Modeling Partially Premixed Combustion Systems by Combining Machine Learning
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Topics: Artificial neural networks, Combustion systems, Computational fluid dynamics, Flamelet generated manifold, Flames, Machine learning, Modeling
Proceedings Papers

Numerical Modelling of Combustion of Multiple Liquid Jet In Non-Uniform Crossflow

Homayoon Feiz, Hasan Karim, Wei Zhao, Jinkwan Song, Dominik Kubicki, Marcin Frackowiak, Vivek Kumar, Harshrajsinh Jadeja, Pravin Nakod, Sravan Kumar Nallamothu, Sourabh Shrivastava, Markus Lambert, Jong Guen Lee
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A067, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104092
https://doi.org/10.1115/GT2023-104092
View Paper titled, Numerical Modelling of Combustion of Multiple Liquid Jet In Non-Uniform Crossflow
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Topics: Combustion, Fuels, Modeling
Proceedings Papers

Tuning of Generalized K-Omega Turbulence Model by Using Adjoint Optimization and Machine Learning for Gas Turbine Combustor Applications

George Klavaris, Min Xu, Saurabh Patwardhan, Ishan Verma, Stefano Orsino, Pravin Nakod
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A049, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103649
https://doi.org/10.1115/GT2023-103649
View Paper titled, Tuning of Generalized K-Omega Turbulence Model by Using Adjoint Optimization and Machine Learning for Gas Turbine Combustor Applications
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Topics: Artificial neural networks, Combustion chambers, Gas turbines, Machine learning, Modeling, Optimization, Turbulence
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

Numerical Modeling of Liquid Jet in Non-Uniform Crossflow Using Enhanced Madabhushi Model

Homayoon Feiz, Wei Zhao, Dominik Kubicki, Marcin Frackowiak, Vivek Kumar, Harshrajsinh Jadeja, Pravin Nakod, Sourabh Shrivastava, Sravan K. Nallamothu, Markus Lambert, Jong Guen Lee, Jinkwan Song
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A034, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82766
https://doi.org/10.1115/GT2022-82766
View Paper titled, Numerical Modeling of Liquid Jet in Non-Uniform Crossflow Using Enhanced Madabhushi Model
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Topics: Combustion chambers, Computer simulation, Cross-flow, Diesel, Drops, Engine design, Gas flow, Gas turbines, Jets, Kinetic energy
Proceedings Papers

Numerical Study of High-Altitude Relight for an Aviation Gas-Turbine Engine

Giuliana Litrico, Sourabh Shrivastava, Ellen Meeks, Pravin Nakod, Fang Xu, Dhanya T., Sivaprakasam Muthuraj
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A038, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82951
https://doi.org/10.1115/GT2022-82951
View Paper titled, Numerical Study of High-Altitude Relight for an Aviation Gas-Turbine Engine
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Topics: Aircraft engines, Aviation, Combustion, Engines, Gas turbines
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
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
Journal Articles

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Saurabh Sudhir Patwardhan, Pravin Nakod, Stefano Orsino, Carlo Arguinzoni
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091006.
Paper No: GTP-19-1534
https://doi.org/10.1115/1.4047110
Published Online: August 25, 2020
View Article titled, Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches
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Topics: Acoustics, Combustion, Combustion chambers, Oscillations, Pressure, Simulation, Boundary-value problems, Dynamics (Mechanics), Mode shapes
Proceedings Papers

Phenomena Based Model for Predicting Ignition Probability for Gas-Turbine Combustors

Sourabh Shrivastava, Pravin Nakod
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, V002T04A001, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2307
https://doi.org/10.1115/GTINDIA2019-2307
View Paper titled, Phenomena Based Model for Predicting Ignition Probability for Gas-Turbine Combustors
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Topics: Combustion chambers, Gas turbines, Ignition, Particulate matter, Probability
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