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Proceedings Papers

Modelling Wall-Pressure Spectra in Turbulent Boundary Layers Using Neural Networks

Akash Haridas, Nagabhushana Rao Vadlamani
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T02A006, December 2–3, 2021
Paper No: GTINDIA2021-76301
DOI: https://doi.org/10.1115/GTINDIA2021-76301
View Paper titled, Modelling Wall-Pressure Spectra in Turbulent Boundary Layers Using Neural Networks
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Topics: Artificial neural networks, Boundary layer turbulence, Modeling, Pressure, Spectra (Spectroscopy), Compressibility, Fluctuations (Physics), Pressure gradient
Proceedings Papers

Experimental Study of Unsteady Pressure Fluctuations due to Tip Leakage Flows in an Axial Flow Turbine

R. Senthil Kumaran, Kishor Kumar, N. Poornima
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T02A012, December 7–8, 2017
Paper No: GTINDIA2017-4868
DOI: https://doi.org/10.1115/GTINDIA2017-4868
View Paper titled, Experimental Study of Unsteady Pressure Fluctuations due to Tip Leakage Flows in an Axial Flow Turbine
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Topics: Axial flow, Fluctuations (Physics), Leakage flows, Pressure, Turbines, Flow (Dynamics), Blades, Rotors, Wake turbulence, Transducers
Proceedings Papers

Studies on Characteristic Frequency and Length Scale of Shock Induced Motion in Transonic Diffuser Using a High Order LES Approach

Debasish Biswas, Tomohiko Jimbo
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T02A002, December 2–3, 2015
Paper No: GTINDIA2015-1225
DOI: https://doi.org/10.1115/GTINDIA2015-1225
View Paper titled, Studies on Characteristic Frequency and Length Scale of Shock Induced Motion in Transonic Diffuser Using a High Order LES Approach
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Topics: Diffusers, Shock (Mechanics), Flow (Dynamics), Oscillations, Pressure, Propulsion systems, Separation (Technology), Fluctuations (Physics), Mach number, Aircraft
Proceedings Papers

Open Loop Active Control of Combustion Noise in Gas Turbine Combustor

Srihari Dinesh Kumar Juvva, Sathesh Mariappan, Abhijit Kushari
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T03A005, December 2–3, 2015
Paper No: GTINDIA2015-1340
DOI: https://doi.org/10.1115/GTINDIA2015-1340
View Paper titled, Open Loop Active Control of Combustion Noise in Gas Turbine Combustor
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Topics: Combustion, Combustion chambers, Gas turbines, Noise (Sound), Fuels, Heat, Acoustics, Cycles, Flow (Dynamics), Oscillations
Proceedings Papers

Casing Treatment of Centrifugal Compressors

Jisha Noushad, Anand Babu Dhamarla, Pavan Kumar
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T01A018, December 2–3, 2015
Paper No: GTINDIA2015-1337
DOI: https://doi.org/10.1115/GTINDIA2015-1337
View Paper titled, Casing Treatment of Centrifugal Compressors
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Topics: Compressors, Flow (Dynamics), Computational fluid dynamics, Surges, Design, Geometry, Boundary layers, Engineering simulation, Fluctuations (Physics), Impellers
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
View Paper titled, Investigation of Combustion Oscillations of Premixed Dump Combustor Using Time-Resolved Particle Image Velocimetry
Click here to open pdf in another window PDF for Investigation of Combustion Oscillations of Premixed Dump Combustor Using Time-Resolved Particle Image Velocimetry
Topics: Combustion, Combustion chambers, Oscillations, Particulate matter, Vortices, Acoustics, Pressure, Flames, Fluctuations (Physics), Excitation
Proceedings Papers

Understanding the Steady and Transient Behavior of the Moderately Loaded High Speed Axial Flow Compressor Stage at Off-Design Conditions

Dilipkumar B. Alone, Subramani Satish Kumar, Shobhavathy M. Thimmaiah, Janaki Rami Reddy Mudipalli, A. M. Pradeep, Srinivasan Ramamurthy, Venkat S. Iyengar
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T05A002, December 15–17, 2014
Paper No: GTINDIA2014-8144
DOI: https://doi.org/10.1115/GTINDIA2014-8144
View Paper titled, Understanding the Steady and Transient Behavior of the Moderately Loaded High Speed Axial Flow Compressor Stage at Off-Design Conditions
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Topics: Axial flow, Design, Transients (Dynamics), Compressors, Rotors, Pressure, Flow (Dynamics), Probes, Aircraft engines, Engines
Proceedings Papers

Experimental Investigation of Unsteady Flow in a Transonic Uni-Stage Axial Compressor

S. Satish Kumar, Dilipkumar Bhanudasji Alone, Shobhavathy M. Thimmaiah, Janaki Rami Reddy Mudipalli, Ranjan Ganguli, S. B. Kandagal, Soumendu Jana
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T01A005, December 15–17, 2014
Paper No: GTINDIA2014-8167
DOI: https://doi.org/10.1115/GTINDIA2014-8167
View Paper titled, Experimental Investigation of Unsteady Flow in a Transonic Uni-Stage Axial Compressor
Click here to open pdf in another window PDF for Experimental Investigation of Unsteady Flow in a Transonic Uni-Stage Axial Compressor
Topics: Compressors, Unsteady flow, Flow (Dynamics), Probes, Rotors, Annulus, Clearances (Engineering), Blades, Boundary layers, Fast Fourier transforms
Proceedings Papers

Investigation of Flame Dynamics in a V - Flame Combustor During Combustion Instability

R. Vishnu, R. I. Sujith, Preeti Aghalayam
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T03A017, December 15–17, 2014
Paper No: GTINDIA2014-8345
DOI: https://doi.org/10.1115/GTINDIA2014-8345
View Paper titled, Investigation of Flame Dynamics in a V - Flame Combustor During Combustion Instability
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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Oscillations, Heat, Acoustics, Fluctuations (Physics), Stability, Damage
Proceedings Papers

Comparison of Acoustic Velocity Perturbation Measurements Using PIV vs. Two-Microphone Technique

Saravanan Balusamy, Simone Hochgreb
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T06A001, December 5–6, 2013
Paper No: GTINDIA2013-3512
DOI: https://doi.org/10.1115/GTINDIA2013-3512
View Paper titled, Comparison of Acoustic Velocity Perturbation Measurements Using PIV vs. Two-Microphone Technique
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Topics: Acoustics, Microphones, Ejectors, Fluctuations (Physics), Particulate matter, Pressure, Signals, Flow (Dynamics), Air flow, Combustion
Proceedings Papers

Reduced Order Modelling of Combustion Instability in a Backward Facing Step Combustor

C. Vamsi Krishna, Santosh Hemchandra
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T03A006, December 5–6, 2013
Paper No: GTINDIA2013-3559
DOI: https://doi.org/10.1115/GTINDIA2013-3559
View Paper titled, Reduced Order Modelling of Combustion Instability in a Backward Facing Step Combustor
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Topics: Combustion, Combustion chambers, Modeling, Flames, Acoustics, Shear (Mechanics), Dynamics (Mechanics), Fluctuations (Physics), Geometry, Heat