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S. R. Chakravarthy
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Proceedings Papers

Optimization of Fuel Nozzle Diameter in a Novel Cross Flow Lean Direct Injection Burner

Kingshuk Chakraborty, S. R. Chakravarthy
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A030, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59009
https://doi.org/10.1115/GT2021-59009
View Paper titled, Optimization of Fuel Nozzle Diameter in a Novel Cross Flow Lean Direct Injection Burner
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Topics: Combustion, Cross-flow, Fuels, Gas turbines, Jets, Nozzles, Optimization, Swirling flow, Combustion chambers, Flames
Journal Articles

Experimental Investigation Into the Role of Mean Flame Stabilization on the Combustion Dynamics of High-Hydrogen Fuels in a Turbulent Combustor

Nikhil A. Baraiya, Vikram Ramanan, N. Baladandayuthapani, Chetankumar S. Vegad, S. R. Chakravarthy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081021.
Paper No: GTP-20-1588
https://doi.org/10.1115/1.4050067
Published Online: April 19, 2021
View Article titled, Experimental Investigation Into the Role of Mean Flame Stabilization on the Combustion Dynamics of High-Hydrogen Fuels in a Turbulent Combustor
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Topics: Acoustics, Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Fuels, Hydrogen, Pressure, Oscillations, Chemiluminescence
Proceedings Papers

Effect of Liquid/Gas Density Ratio on Primary Jet Breakup of Pressure Swirl Atomizer: Experimental and Numerical Study

Edin Michael, Santhosh Kumar Keerthi, Krishna Kant, Pankaj Kolhe, Raja Banerjee, S. R. Chakravarthy
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, V002T04A011, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2513
https://doi.org/10.1115/GTINDIA2019-2513
View Paper titled, Effect of Liquid/Gas Density Ratio on Primary Jet Breakup of Pressure Swirl Atomizer: Experimental and Numerical Study
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Topics: Density, Pressure, Sprays
Proceedings Papers

Simultaneous TR-PIV and CH* Chemiluminescence During Combustion-Instability Triggered Flame-Flashback in a Backward Facing Step Combustor

Pankaj Pancharia, Vikram Ramanan, Baladandayuthapani Nagarajan, S. R. Chakravarthy
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91252
https://doi.org/10.1115/GT2019-91252
View Paper titled, Simultaneous TR-PIV and CH* Chemiluminescence During Combustion-Instability Triggered Flame-Flashback in a Backward Facing Step Combustor
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Topics: Chemiluminescence, Combustion, Combustion chambers, Flames, Acoustics, Turbulence, Bifurcation, Cycles, Data acquisition, Ducts
Proceedings Papers

Investigation on Effect of Inlet Flow Turbulence on the Combustion Instability Using Simultaneous PIV and CH* Chemiluminescence in a Backward Facing Step Combustor

Pankaj Pancharia, Vikram Ramanan, Baladandayuthapani Nagarajan, S. R. Chakravarthy
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A055, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92022
https://doi.org/10.1115/GT2019-92022
View Paper titled, Investigation on Effect of Inlet Flow Turbulence on the Combustion Instability Using Simultaneous PIV and CH* Chemiluminescence in a Backward Facing Step Combustor
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Topics: Chemiluminescence, Combustion, Combustion chambers, Flow (Dynamics), Turbulence, Flames, Vortices, Dynamics (Mechanics), Acoustics, Air flow
Proceedings Papers

Multi-Swirl Lean Direct Injection Burner for Enhanced Combustion Stability and Low Pollutant Emissions

V. Deepika, S. R. Chakravarthy, T. M. Muruganandam, N. Raja Bharathi
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T04A018, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4905
https://doi.org/10.1115/GTINDIA2017-4905
View Paper titled, Multi-Swirl Lean Direct Injection Burner for Enhanced Combustion Stability and Low Pollutant Emissions
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Topics: Combustion, Emissions, Pollution, Stability, Combustion chambers, Gas turbines, Fuels, Nitrogen oxides, Pressure drop, Temperature
Proceedings Papers

Effect of Acoustic Feedback on Lagrangian Coherent Structures in a Backward Facing Step Combustor With a Partially Premixed Flame

Ramgopal Sampath, S. R. Chakravarthy
Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A052, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64856
https://doi.org/10.1115/GT2017-64856
View Paper titled, Effect of Acoustic Feedback on Lagrangian Coherent Structures in a Backward Facing Step Combustor With a Partially Premixed Flame
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Topics: Acoustics, Combustion chambers, Feedback, Flames, Pressure, Oscillations, Flow (Dynamics), Vortex shedding, Vortices, Chemiluminescence
Proceedings Papers

A Framework to Predict Combustion Noise and Instability: Case Study of a Partially Premixed Flame in a Backward-Facing Step Combustor

Ashwin Kannan, S. R. Chakravarthy
Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A075, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65211
https://doi.org/10.1115/GT2017-65211
View Paper titled, A Framework to Predict Combustion Noise and Instability: Case Study of a Partially Premixed Flame in a Backward-Facing Step Combustor
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Topics: Combustion, Combustion chambers, Flames, Noise (Sound), Acoustics, Flow (Dynamics), Ducts, Feedback, Large eddy simulation, Momentum
Proceedings Papers

Multi-Scale Computational Simulation of Combustion Instability and Transition in a Model Afterburner

Sriram Kalathoor, S. R. Chakravarthy
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A049, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63805
https://doi.org/10.1115/GT2017-63805
View Paper titled, Multi-Scale Computational Simulation of Combustion Instability and Transition in a Model Afterburner
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Topics: Combustion, Simulation, Acoustics, Flow (Dynamics), Excitation, Reynolds number, Combustion chambers, Dynamics (Mechanics), Feedback, Heat
Proceedings Papers

Investigation of Combustion Instability in a Swirl-Stabilized Combustor Using Symbolic Time Series Analysis

Vikram Ramanan, S. R. Chakravarthy, Soumalya Sarkar, Ashok Ray
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T03A012, December 15–17, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2014-8280
https://doi.org/10.1115/GTINDIA2014-8280
View Paper titled, Investigation of Combustion Instability in a Swirl-Stabilized Combustor Using Symbolic Time Series Analysis
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Topics: Combustion, Combustion chambers, Time series, Fuels, Pressure, Air flow, Algebra, Filtration, Heat, Reynolds number
Proceedings Papers

Investigation of Combustion Oscillations of Premixed Dump Combustor Using Time-Resolved Particle Image Velocimetry

Ramgopal Sampath, Vikram Ramanan, S. R. Chakravarthy
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T03A013, December 15–17, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2014-8288
https://doi.org/10.1115/GTINDIA2014-8288
View Paper titled, Investigation of Combustion Oscillations of Premixed Dump Combustor Using Time-Resolved Particle Image Velocimetry
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Topics: Combustion, Combustion chambers, Oscillations, Particulate matter, Vortices, Acoustics, Pressure, Flames, Fluctuations (Physics), Excitation
Proceedings Papers

Resolving Large- and Small-Scale Structures in the Swirl Flow of a Typical Land-Based Gas Turbine Combustor Single Nozzle Rig

R. K. R. Katreddy, S. R. Chakravarthy
Proc. ASME. GT2014, Volume 4B: Combustion, Fuels and Emissions, V04BT04A034, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26615
https://doi.org/10.1115/GT2014-26615
View Paper titled, Resolving Large- and Small-Scale Structures in the Swirl Flow of a Typical Land-Based Gas Turbine Combustor Single Nozzle Rig
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Topics: Combustion chambers, Flow (Dynamics), Gas turbines, Nozzles, Turbulence, Vortices, Eddies (Fluid dynamics), Corners (Structural elements), Ducts, Filters
Journal Articles

Experimental and Numerical Determination of Interface Slip Coefficient of Fluid Stream Exiting a Partially Filled Porous Medium Channel

Arunn Narasimhan, K. S. Raju, S. R. Chakravarthy
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2014, 136(4): 041201.
Paper No: FE-12-1198
https://doi.org/10.1115/1.4026194
Published Online: February 28, 2014
View Article titled, Experimental and Numerical Determination of Interface Slip Coefficient of Fluid Stream Exiting a Partially Filled Porous Medium Channel
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Topics: Flow (Dynamics), Fluids, Porous materials, Computer simulation, Plates (structures)
Journal Articles

Experimental Investigation of Cavity-Induced Acoustic Oscillations in Confined Supersonic Flow

B. Umesh Chandra, S. R. Chakravarthy
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. July 2005, 127(4): 761–769.
https://doi.org/10.1115/1.1949642
Published Online: April 8, 2005
View Article titled, Experimental Investigation of Cavity-Induced Acoustic Oscillations in Confined Supersonic Flow
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Topics: Acoustics, Cavities, Oscillations, Supersonic flow, Shear (Mechanics), Mach number
Journal Articles

Computational Study of Resonance Suppression of Open Sunroofs

D. K. Ota, S. R. Chakravarthy, T. Becker, T. Sturzenegger
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 1994, 116(4): 877–882.
https://doi.org/10.1115/1.2911864
Published Online: December 1, 1994
View Article titled, Computational Study of Resonance Suppression of Open Sunroofs
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Topics: Resonance, Flow (Dynamics), Scalars, Cavities, Computational fluid dynamics, Design, Wind