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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
DOI: https://doi.org/10.1115/GTINDIA2021-76448
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Topics: Finite element analysis, Rotordynamics, Turbogenerators, Bearings, Geometry, Computation, Damping, Deflection, Dimensions, Inertia (Mechanics)
Proceedings Papers

Sensitivity of the Spool Rate on the Dynamic Response of the System

Arnab Das, Praveen Iyappan, Srinivas Chinthapally, Avinash Kumar
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T10A004, December 2–3, 2021
Paper No: GTINDIA2021-76036
DOI: https://doi.org/10.1115/GTINDIA2021-76036
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Topics: Damping, Design, Dynamic response, Dynamic testing (Materials), Engines, Rotordynamics, Rotors, Structural response analysis
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
DOI: https://doi.org/10.1115/GTINDIA2019-2565
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Topics: Bearings, Rolling bearings, Rotors, Excitation, Signals, Random vibration, White noise, Bifurcation, Damping, Dynamic response
Proceedings Papers

Dynamic Characteristics of a Flexible Coupling

Mohit Aggarwal, J. K. Dutt, S. Chandraker
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A013, December 5–6, 2019
Paper No: GTINDIA2019-2604
DOI: https://doi.org/10.1115/GTINDIA2019-2604
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Topics: Couplings, Damping, Dynamic analysis, Rotors, Stiffness, Torque
Proceedings Papers

Finite Element Model Based Full Spectrum Response Analysis of a Cracked Rotor With Internal and External Damping

Dipendra Kumar Roy, Rajiv Tiwari
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A017, December 5–6, 2019
Paper No: GTINDIA2019-2650
DOI: https://doi.org/10.1115/GTINDIA2019-2650
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Topics: Damping, Finite element methods, Finite element model, Fracture (Materials), Rotors
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
DOI: https://doi.org/10.1115/GTINDIA2017-4681
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Topics: Aircraft engines, Genetic algorithms, Pareto optimization, Rotors, Finite element methods, Weight (Mass), Approximation, Bearings, Damping, Eigenvalues
Proceedings Papers

Dynamics of Cracked Viscoelastic Beam: An Operator Based Finite Element Approach

Krishanu Ganguly, Pradeep Nahak, Haraprasad Roy
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, V002T05A008, December 7–8, 2017
Paper No: GTINDIA2017-4616
DOI: https://doi.org/10.1115/GTINDIA2017-4616
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Topics: Dynamics (Mechanics), Finite element analysis, Fracture (Materials), Vibration, Cantilever beams, Damping, Equations of motion, Finite element methods, Shear (Mechanics), Timoshenko beam theory
Proceedings Papers

Effect of Pressure Ratio on Bending Mode Flutter in a Transonic Linear Cascade

Prahallada Jutur, Raghuraman N. Govardhan
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, V002T05A004, December 7–8, 2017
Paper No: GTINDIA2017-4569
DOI: https://doi.org/10.1115/GTINDIA2017-4569
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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics), Pressure, Blades, Aircraft engines, Flow (Dynamics), Mach number, Oscillations, Rotors, Shock (Mechanics)
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
DOI: https://doi.org/10.1115/GTINDIA2017-4646
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Topics: Journal bearings, Steady state, Viscosity, Nanoparticles, Bearings, Damping, Flow (Dynamics), Fluids, Friction, Load bearing capacity
Proceedings Papers

Parametric Study of Stability Criteria for Rotor Bearing Model With Viscoelastic Support

S. Chandraker, J. K. Dutt, H. Roy
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, V002T05A029, December 7–8, 2017
Paper No: GTINDIA2017-4781
DOI: https://doi.org/10.1115/GTINDIA2017-4781
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Topics: Bearings, Rotors, Stability, Damping, Composite materials, Dynamic modeling, Energy dissipation, Equations of motion, Metals, Modeling
Proceedings Papers

Flutter Alleviation by Aeroelastic Tailoring of a Transonic Rotor Blade

Sankarkumar Jeyaraman, Kirubakaran Purushothaman, Ramaraja Bhat, Kishore Prasad Deshkulkarni
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, V002T05A012, December 7–8, 2017
Paper No: GTINDIA2017-4662
DOI: https://doi.org/10.1115/GTINDIA2017-4662
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Topics: Blades, Flutter (Aerodynamics), Rotors, Bending (Stress), Compressors, Damping, Pressure, Chords (Trusses), Disks, Engines
Proceedings Papers

Sub Modeling in Dynamic Analysis

Gnanaraj Devadoss, Anil Thokala, Avinash Kumar, Prasanth Kumar Bysani
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, V002T05A030, December 7–8, 2017
Paper No: GTINDIA2017-4837
DOI: https://doi.org/10.1115/GTINDIA2017-4837
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Topics: Dynamic analysis, Modeling, Manufacturing, Stress, Damping, Inertia (Mechanics), Stiffness, Boundary-value problems, Design, Dynamic response
Proceedings Papers

Structural Dynamic Behavior of Axial Compressor Rotor

Subramani Satish Kumar, Ranjan Ganguli, Siddanagouda Basanagouda Kandagal, Soumendu Jana
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, V002T05A018, December 7–8, 2017
Paper No: GTINDIA2017-4715
DOI: https://doi.org/10.1115/GTINDIA2017-4715
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Topics: Compressors, Rotors, Structural dynamics, Blades, Vibration, Mode shapes, Boundary-value problems, Cantilevers, Disks, Excitation
Proceedings Papers

Imbalance Response of Nonlinear Rotor-SFD Dynamic Systems With Structure Modelled As FRFs Using Harmonic Balance Method

Manoj Settipalli, Rahul Chandran, Venkatarao Ganji, Theodore Brockett
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, V002T05A024, December 7–8, 2017
Paper No: GTINDIA2017-4749
DOI: https://doi.org/10.1115/GTINDIA2017-4749
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Topics: Dynamic systems, Rotors, Vibration, Dampers, Degrees of freedom, Aircraft engines, Algorithms, Damping, Engineering simulation, Engines
Proceedings Papers

Aeroelastic Flutter Investigation and Stability Enhancement of a Transonic Axial Compressor Rotor Using Casing Treatment

Kirubakaran Purushothaman, Sankar Kumar Jeyaraman, Ajay Pratap, Kishore Prasad Deshkulkarni
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T01A015, December 7–8, 2017
Paper No: GTINDIA2017-4767
DOI: https://doi.org/10.1115/GTINDIA2017-4767
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Topics: Compressors, Flutter (Aerodynamics), Rotors, Stability, Blades, Damping, Aerodynamics, Cycles, Flow separation, Fluid-dynamic forces
Proceedings Papers

Aeroelastic Flutter Analysis of Linear Cascade Blades: STC5

Kirubakaran Purushothaman, Sankar Kumar Jeyaraman, Sasikanta Parida, Kishore Prasad Deshkulkarni
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T01A016, December 7–8, 2017
Paper No: GTINDIA2017-4773
DOI: https://doi.org/10.1115/GTINDIA2017-4773
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Topics: Blades, Cascades (Fluid dynamics), Flutter (Aerodynamics), Computational fluid dynamics, Damping, Compressors, Cycles, Sound transmission class, Aerodynamic flow, Aerodynamics
Proceedings Papers

A Comparative Study Between Classical and Finite Element Model for Multilayer Viscoelastic Rotors

H. Roy, S. Chandraker
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T05A010, December 2–3, 2015
Paper No: GTINDIA2015-1330
DOI: https://doi.org/10.1115/GTINDIA2015-1330
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Topics: Finite element model, Rotors, Fibers, Composite materials, Modeling, Damping, Dynamics (Mechanics), Equations of motion, Finite element analysis, Frequency response
Proceedings Papers

Model Order Reduction of Visco-Thermal Acousto-Elastic Interaction in High-Pressure Centrifugal Compressors

Jithin Jith, Sunetra Sarkar
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T01A020, December 2–3, 2015
Paper No: GTINDIA2015-1345
DOI: https://doi.org/10.1115/GTINDIA2015-1345
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Topics: Compressors, High pressure (Physics), Damping, Impellers, Supercritical carbon dioxide, Acoustics, Boundary layers, Carbon capture and storage, Energy dissipation, Finite element analysis
Proceedings Papers

An Investigation in to the Rotordynamics Behavior of Mechanically Coupled Turbo Expander

Balaji Kannan, Krishnamurthy Vaidyanathan, Kiran Pithamber, Suvendu Mahapatra
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T06A010, December 15–17, 2014
Paper No: GTINDIA2014-8256
DOI: https://doi.org/10.1115/GTINDIA2014-8256
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Topics: Rotordynamics, Turbochargers, Vibration, Bearings, Gears, Damping, Modeling, Stiffness
Proceedings Papers

Experimental Investigation of Squeeze Film Damper Characteristics at High Speed Rotor Configurations

Jayaraman Kandasamy, B. L. Jaiswal, P. Sarasu, S. Sivaperumal, Dilli Babu, Ashok Kumar
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T07A003, December 15–17, 2014
Paper No: GTINDIA2014-8186
DOI: https://doi.org/10.1115/GTINDIA2014-8186
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Topics: Dampers, Rotors, Bearings, Vibration, Machinery, Turbochargers, Advanced materials, Damping, Dynamic stability, Dynamic testing (Materials)