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Proceedings Papers

Effect of Outlet Boundary Condition on the Acoustic Mode Shape and Flame Dynamics of a Partially Premixed Swirl Stabilised Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A054, June 13–17, 2022

Paper No: GT2022-82001

DOI: https://doi.org/10.1115/GT2022-82001

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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Mode shapes, Reflectance, High pressure (Physics), Testing, Chemiluminescence

Journal Articles

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy

J. Eng. Gas Turbines Power. January 2023, 145(1): 011015.

Paper No: GTP-22-1337

DOI: https://doi.org/10.1115/1.4055534

Published Online: October 21, 2022

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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Pressure, Reflectance, Flow (Dynamics), Mode shapes

Journal Articles

The Effect of Multiple Coexisting Convective Modes in Determining Thermoacoustic Behavior of a Partially Premixed Swirl Flame

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy

J. Eng. Gas Turbines Power. June 2022, 144(6): 061009.

Paper No: GTP-21-1594

DOI: https://doi.org/10.1115/1.4054014

Published Online: March 29, 2022

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Topics: Acoustics, Chemiluminescence, Combustion chambers, Flames, Heat, Oscillations, Pressure, Wavelet transforms, Flow (Dynamics), Fluctuations (Physics)

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

J. Eng. Gas Turbines Power. August 2021, 143(8): 081021.

Paper No: GTP-20-1588

DOI: https://doi.org/10.1115/1.4050067

Published Online: April 19, 2021

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Topics: Acoustics, Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Fuels, Hydrogen, Pressure, Oscillations, Chemiluminescence

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

Paper No: GT2019-91252

DOI: https://doi.org/10.1115/GT2019-91252

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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

Paper No: GT2019-92022

DOI: https://doi.org/10.1115/GT2019-92022

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Topics: Chemiluminescence, Combustion, Combustion chambers, Flow (Dynamics), Turbulence, Flames, Vortices, Dynamics (Mechanics), Acoustics, Air flow

Proceedings Papers

Investigation of Vanadium Carbide Reinforced CMC for Gas Turbine Stator

S. Ram Kumar, Vikram Ramanan

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A011, June 11–15, 2018

Paper No: GT2018-76872

DOI: https://doi.org/10.1115/GT2018-76872

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Topics: Ceramic matrix composites, Gas turbines, Stators, Temperature, Composite materials, Turbines, Fibers, High pressure (Physics), Melting point, Silicon

Proceedings Papers

Detection and Analysis of Combustion Instability From Hi-Speed Flame Images Using Dynamic Mode Decomposition

Sambuddha Ghosal, Vikram Ramanan, Soumalya Sarkar, Satyanarayanan R. Chakravarthy, Soumik Sarkar

Proc. ASME. DSCC2016, Volume 1: Advances in Control Design Methods, Nonlinear and Optimal Control, Robotics, and Wind Energy Systems; Aerospace Applications; Assistive and Rehabilitation Robotics; Assistive Robotics; Battery and Oil and Gas Systems; Bioengineering Applications; Biomedical and Neural Systems Modeling, Diagnostics and Healthcare; Control and Monitoring of Vibratory Systems; Diagnostics and Detection; Energy Harvesting; Estimation and Identification; Fuel Cells/Energy Storage; Intelligent Transportation, V001T12A005, October 12–14, 2016

Paper No: DSCC2016-9907

DOI: https://doi.org/10.1115/DSCC2016-9907

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Topics: Combustion, Flames, Dynamics (Mechanics), Flow (Dynamics), Stability, Combustion chambers, Computer simulation, Feature extraction, Flight, Fluid dynamics

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

Paper No: GTINDIA2014-8280

DOI: https://doi.org/10.1115/GTINDIA2014-8280

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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

Paper No: GTINDIA2014-8288

DOI: https://doi.org/10.1115/GTINDIA2014-8288

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Topics: Combustion, Combustion chambers, Oscillations, Particulate matter, Vortices, Acoustics, Pressure, Flames, Fluctuations (Physics), Excitation

Journal citation

NARROW

Effect of Outlet Boundary Condition on the Acoustic Mode Shape and Flame Dynamics of a Partially Premixed Swirl Stabilised Combustor

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

The Effect of Multiple Coexisting Convective Modes in Determining Thermoacoustic Behavior of a Partially Premixed Swirl Flame

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

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

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

Investigation of Vanadium Carbide Reinforced CMC for Gas Turbine Stator

Detection and Analysis of Combustion Instability From Hi-Speed Flame Images Using Dynamic Mode Decomposition

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

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

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