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Proceedings Papers

Harmonic Analysis of the High Speed Direct Coupled SCO2 Turbo-Generator

Ashutosh Patel, Vijay Biradar, Pramod Kumar
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T10A010, December 2–3, 2021
Paper No: GTINDIA2021-76448
https://doi.org/10.1115/GTINDIA2021-76448
View Paper titled, Harmonic Analysis of the High Speed Direct Coupled SCO2 Turbo-Generator
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Topics: Finite element analysis, Rotordynamics, Turbogenerators, Bearings, Geometry, Computation, Damping, Deflection, Dimensions, Inertia (Mechanics)
Proceedings Papers

Dynamic Analysis of a Slant-Cracked Functionally Graded Rotor-Bearing System

Aneesh Batchu, Prabhakar Sathujoda
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T10A002, December 2–3, 2021
Paper No: GTINDIA2021-74620
https://doi.org/10.1115/GTINDIA2021-74620
View Paper titled, Dynamic Analysis of a Slant-Cracked Functionally Graded Rotor-Bearing System
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Topics: Bearings, Dynamic analysis, Fracture (Materials), Rotors, Steady state, Transients (Dynamics), Dynamic response, Vibration, Fast Fourier transforms, Functionally graded materials
Proceedings Papers

Numerical Study of Single Pad Externally Adjustable 120° Pad Bearing Using Fluid Structure Interaction

Harishkumar Kamat, Chandrakant R. Kini, Satish B. Shenoy
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T10A008, December 2–3, 2021
Paper No: GTINDIA2021-76427
https://doi.org/10.1115/GTINDIA2021-76427
View Paper titled, Numerical Study of Single Pad Externally Adjustable 120° Pad Bearing Using Fluid Structure Interaction
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Topics: Bearings, Computational fluid dynamics, Fluid structure interaction
Proceedings Papers

Accurate Prediction of Buffer Air Temperatures Using Lumped Heat Transfer Method

Pavan Gandla, Naresh Nidamanuri
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T03A005, December 5–6, 2019
Paper No: GTINDIA2019-2519
https://doi.org/10.1115/GTINDIA2019-2519
View Paper titled, Accurate Prediction of Buffer Air Temperatures Using Lumped Heat Transfer Method
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Topics: Bearings, Heat, Heat transfer, Polishing equipment, Temperature
Proceedings Papers

Dynamic Parameters Estimation and Fault Identification From Random Response of Rolling Element Bearing in a Rotor Bearing System

Pankaj Kumar, S. Narayanan, Sayan Gupta
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A011, December 5–6, 2019
Paper No: GTINDIA2019-2565
https://doi.org/10.1115/GTINDIA2019-2565
View Paper titled, Dynamic Parameters Estimation and Fault Identification From Random Response of Rolling Element Bearing in a Rotor Bearing System
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Topics: Bearings, Rolling bearings, Rotors, Excitation, Signals, Random vibration, White noise, Bifurcation, Damping, Dynamic response
Proceedings Papers

Towards Visualisation of Capacity, Bearing Thrust Load and Reaction Variation With Aerofoil Skew in a Gas Turbine

Karthik Srinivasan, Soumyik K. Bhaumik, Lakshmanan Valliappan
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T02A010, December 5–6, 2019
Paper No: GTINDIA2019-2441
https://doi.org/10.1115/GTINDIA2019-2441
View Paper titled, Towards Visualisation of Capacity, Bearing Thrust Load and Reaction Variation With Aerofoil Skew in a Gas Turbine
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Topics: Airfoils, Bearings, Gas turbines, Stress, Thrust, Visualization, Design, Turbines, Optimization, Pressure
Proceedings Papers

Analysis of Aerostatic Thrust Bearing for S-CO 2 Turbomachinery

Ashutosh Patel, Aanand K. Balasubramanian, Vijay Biradar, Shreyas Srivatsa, Pramod Kumar, Venkata R. Sonti
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A015, December 5–6, 2019
Paper No: GTINDIA2019-2643
https://doi.org/10.1115/GTINDIA2019-2643
View Paper titled, Analysis of Aerostatic Thrust Bearing for S-CO 2 Turbomachinery
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Topics: Bearings, Stress, Supercritical carbon dioxide, Thrust, Thrust bearings, Turbomachinery
Proceedings Papers

Experimental Investigation of Active Control of Cracked Rotor-Bearing System Equipped With Magnetic Bearing

Nilakshi Sarmah, Rajiv Tiwari
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A016, December 5–6, 2019
Paper No: GTINDIA2019-2647
https://doi.org/10.1115/GTINDIA2019-2647
View Paper titled, Experimental Investigation of Active Control of Cracked Rotor-Bearing System Equipped With Magnetic Bearing
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Topics: Bearings, Fracture (Materials), Magnetic bearings, Rotors
Proceedings Papers

Investigations on the Effect of Bearing Clearance in Turbocharger Fully Floating Hydro-Dynamic Bearing System

Lokesh Chandrasekaran, Praveen Kumar Selvaraj, Prasanth R. Vengala, Subramani D. Arthanarisamy
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A019, December 5–6, 2019
Paper No: GTINDIA2019-2768
https://doi.org/10.1115/GTINDIA2019-2768
View Paper titled, Investigations on the Effect of Bearing Clearance in Turbocharger Fully Floating Hydro-Dynamic Bearing System
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Topics: Bearings, Clearances (Engineering), Testing, Turbochargers
Proceedings Papers

Case Study of a Gas Turbine Chronic Failure at Saudi Arabia

Abdullah N. AlKhudhayr, Abdulrahman M. AlAdel
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, V002T09A001, December 5–6, 2019
Paper No: GTINDIA2019-2328
https://doi.org/10.1115/GTINDIA2019-2328
View Paper titled, Case Study of a Gas Turbine Chronic Failure at Saudi Arabia
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Topics: Failure, Gas turbines, Damage, Exhaust systems, Turbines, Aviation, Bearings, Combustion, Compressors, Deformation
Proceedings Papers

Online Automatic Degradation Diagnosis of Gas Turbine Bearings Based on Unsupervised Machine Learning

Pallabi Kakati, Devendra Dandotiya, Rajendrakumar Savanur
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, V002T09A003, December 5–6, 2019
Paper No: GTINDIA2019-2367
https://doi.org/10.1115/GTINDIA2019-2367
View Paper titled, Online Automatic Degradation Diagnosis of Gas Turbine Bearings Based on Unsupervised Machine Learning
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Topics: Bearings, Gas turbines, Machine learning
Proceedings Papers

Nonlinear Interactions Within a Flexible Rotating Shaft

Amaroju Kartheek, Kiran Vijayan
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, V002T11A007, December 5–6, 2019
Paper No: GTINDIA2019-2766
https://doi.org/10.1115/GTINDIA2019-2766
View Paper titled, Nonlinear Interactions Within a Flexible Rotating Shaft
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Topics: Bearings, Computer simulation, Design, Disks, Finite element methods, Friction, Industrial gases, Machinery, Rotordynamics, Rotors
Proceedings Papers

Finite Element Analysis for Dynamic Response of Rotor-Bearing System With Cracked Functionally Graded Turbine Shaft

Debabrata Gayen, Debabrata Chakraborty, Rajiv Tiwari
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A001, December 7–8, 2017
Paper No: GTINDIA2017-4534
https://doi.org/10.1115/GTINDIA2017-4534
View Paper titled, Finite Element Analysis for Dynamic Response of Rotor-Bearing System With Cracked Functionally Graded Turbine Shaft
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Topics: Bearings, Dynamic response, Finite element analysis, Rotors, Turbines, Fracture (Materials), Design, Whirls, Damage, Deformation
Proceedings Papers

Multi Objective Optimisation of an Aero Engine Rotor System Using Nondominated Sorting Genetic Algorithm (NSGA)

Joseph Shibu Kalloor, Ch. Kanna Babu, Girish K. Degaonkar, K. Shankar
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A013, December 7–8, 2017
Paper No: GTINDIA2017-4681
https://doi.org/10.1115/GTINDIA2017-4681
View Paper titled, Multi Objective Optimisation of an Aero Engine Rotor System Using Nondominated Sorting Genetic Algorithm (NSGA)
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Topics: Aircraft engines, Genetic algorithms, Pareto optimization, Rotors, Finite element methods, Weight (Mass), Approximation, Bearings, Damping, Eigenvalues
Proceedings Papers

Analysis of Time, Frequency and Wavelet Based Features of Vibration and Current Signals for Fault Diagnosis of Induction Motors Using SVM

Purushottam Gangsar, Rajiv Tiwari
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A027, December 7–8, 2017
Paper No: GTINDIA2017-4774
https://doi.org/10.1115/GTINDIA2017-4774
View Paper titled, Analysis of Time, Frequency and Wavelet Based Features of Vibration and Current Signals for Fault Diagnosis of Induction Motors Using SVM
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Topics: Electromagnetic induction, Fault diagnosis, Motors, Signals, Support vector machines, Vibration, Wavelets, Rotors, Bearings, Machinery
Proceedings Papers

Structural Design and Analysis of Cylindrical Squirrel Cage to Meet Stiffness, Strength and High Cycle Fatigue Life for an Aero Engine

Senthil Kumar Kandhaswamy Srinivasan, Nazar Periarowthar
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A015, December 7–8, 2017
Paper No: GTINDIA2017-4696
https://doi.org/10.1115/GTINDIA2017-4696
View Paper titled, Structural Design and Analysis of Cylindrical Squirrel Cage to Meet Stiffness, Strength and High Cycle Fatigue Life for an Aero Engine
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Topics: Aircraft engines, High cycle fatigue, Stiffness, Structural design, Bearings, Dampers, Design, Dimensions, Stress, Fatigue life
Proceedings Papers

Characteristic Parameter Estimation of AMB Supported Coupled Rotor System

Sampath Kumar Kuppa, Mohit Lal
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A010, December 7–8, 2017
Paper No: GTINDIA2017-4641
https://doi.org/10.1115/GTINDIA2017-4641
View Paper titled, Characteristic Parameter Estimation of AMB Supported Coupled Rotor System
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Topics: Parameter estimation, Rotors, Bearings, Errors, Algorithms, Disks, Displacement, Emission spectroscopy, Equations of motion, Fast Fourier transforms
Proceedings Papers

Analysis of Infinitely Short and Infinitely Long Hydrodynamic Journal Bearings Under Micro-Polar Fluid by Direct Integration Method

Bikash Routh
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A034, December 7–8, 2017
Paper No: GTINDIA2017-4852
https://doi.org/10.1115/GTINDIA2017-4852
View Paper titled, Analysis of Infinitely Short and Infinitely Long Hydrodynamic Journal Bearings Under Micro-Polar Fluid by Direct Integration Method
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Topics: Fluids, Journal bearings, Bearings, Finite difference methods, Pressure, Approximation, Computational fluid dynamics, Computers, Lubrication, Numerical analysis
Proceedings Papers

Comparative Studies on the Dynamic Performances of High Speed Turbocharger Rotor Supported on Oil-Free Bearings Versus Conventional Floating Ring Systems

Rajasekhara Reddy Mutra, J. Srinivas
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A022, December 7–8, 2017
Paper No: GTINDIA2017-4734
https://doi.org/10.1115/GTINDIA2017-4734
View Paper titled, Comparative Studies on the Dynamic Performances of High Speed Turbocharger Rotor Supported on Oil-Free Bearings Versus Conventional Floating Ring Systems
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Topics: Bearings, Rotors, Turbochargers, Dynamic response, Viscosity, Clearances (Engineering), Disks, Displacement, Dynamic modeling, Equations of motion
Proceedings Papers

A Variable Viscosity Approach for the Analysis of Steady State and Dynamic Characteristics of Two-Lobe Journal Bearing With TiO 2 Based Nanolubricant

Ashutosh Kumar, Sashindra Kumar Kakoty
Proc. ASME. GTINDIA2017, Volume 2: Structures and Dynamics; Renewable Energy (Solar, Wind); Inlets and Exhausts; Emerging Technologies (Hybrid Electric Propulsion, UAV, ...); GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T05A011, December 7–8, 2017
Paper No: GTINDIA2017-4646
https://doi.org/10.1115/GTINDIA2017-4646
View Paper titled, A Variable Viscosity Approach for the Analysis of Steady State and Dynamic Characteristics of Two-Lobe Journal Bearing With TiO 2 Based Nanolubricant
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Topics: Journal bearings, Steady state, Viscosity, Nanoparticles, Bearings, Damping, Flow (Dynamics), Fluids, Friction, Load bearing capacity