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Proceedings Papers

Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes

Romuald Rzadkowski, Vitaly Gnesin, Lubov Kolodyazhnaya, Ryszard Szczepanik
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A008, June 11–15, 2018
Paper No: GT2018-75300
DOI: https://doi.org/10.1115/GT2018-75300
View Paper titled, Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes
Click here to open pdf in another window PDF for Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes
Topics: Blades, Exhaust systems, Rotors, Steam turbines, Oscillations, Pressure, Stators, Stress, Turbines, Algorithms
Proceedings Papers

Unsteady Forces in Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood

Romuald Rzadkowski, Jan Surwiło, Leszek Kubitz, Piotr Lampart, Mariusz Szymaniak
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A020, June 13–17, 2016
Paper No: GT2016-57610
DOI: https://doi.org/10.1115/GT2016-57610
View Paper titled, Unsteady Forces in Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood
Click here to open pdf in another window PDF for Unsteady Forces in Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood
Topics: Blades, Exhaust systems, Rotors, Steam turbines, Pressure, Diffusers, Stators, Aerodynamics, Annulus, Boundary-value problems
Proceedings Papers

Multi-Stage Coupled Forced Response of Aircraft Engine Compressor and Turbine Bladed Discs

Romuald Rzadkowski, Artur Maurin
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A024, June 13–17, 2016
Paper No: GT2016-57643
DOI: https://doi.org/10.1115/GT2016-57643
View Paper titled, Multi-Stage Coupled Forced Response of Aircraft Engine Compressor and Turbine Bladed Discs
Click here to open pdf in another window PDF for Multi-Stage Coupled Forced Response of Aircraft Engine Compressor and Turbine Bladed Discs
Topics: Aircraft engines, Compressors, Disks, Turbines, Rotors, Blades, Excitation, Stress, Dynamic models, Dynamics (Mechanics)
Proceedings Papers

Forced Vibration of Mistuned Bladed Discs in Last Stage LP Steam Turbine

Romuald Rzadkowski, Artur Maurin, Leszek Kubitz, Ryszard Szczepanik
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A020, June 13–17, 2016
Paper No: GT2016-57427
DOI: https://doi.org/10.1115/GT2016-57427
View Paper titled, Forced Vibration of Mistuned Bladed Discs in Last Stage LP Steam Turbine
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Topics: Disks, Steam turbines, Vibration, Blades, Geometry, Stress, Excitation, Finite element methods, Finite element model, Mode shapes
Journal Articles

Online Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks

Krzysztof Dominiczak, Romuald Rządkowski, Wojciech Radulski, Ryszard Szczepanik
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2016, 138(5): 052606.
Paper No: GTP-15-1396
DOI: https://doi.org/10.1115/1.4031626
Published Online: November 11, 2015
View Article titled, Online Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks
Click here to open pdf in another window PDF for Online Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks
Topics: Rotors, Stress, Temperature, Turbines, Steam turbines, Steam
Proceedings Papers

On-Line Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks

Krzysztof Dominiczak, Romuald Rządkowski, Wojciech Radulski, Ryszard Szczepanik
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A034, June 15–19, 2015
Paper No: GT2015-43555
DOI: https://doi.org/10.1115/GT2015-43555
View Paper titled, On-Line Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks
Click here to open pdf in another window PDF for On-Line Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks
Topics: Artificial neural networks, Steam turbines, Stress, Temperature, Rotors, Turbines, Power stations, Algorithms, Control equipment, Finite element methods
Proceedings Papers

Free Vibration in a Mistuned Steam Turbine Last Stage Bladed Disk

Marcin Drewczynski, Romuald Rzadkowski, Artur Maurin, Piotr Marszalek
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT32A002, June 15–19, 2015
Paper No: GT2015-42080
DOI: https://doi.org/10.1115/GT2015-42080
View Paper titled, Free Vibration in a Mistuned Steam Turbine Last Stage Bladed Disk
Click here to open pdf in another window PDF for Free Vibration in a Mistuned Steam Turbine Last Stage Bladed Disk
Topics: Disks, Free vibrations, Steam turbines, Blades, Design, Excitation, Finite element methods, Finite element model, Maintenance, Mode shapes
Proceedings Papers

Resonance Vibration of Mistuned Bladed Discs in Stationary Operations

Romuald Rządkowski
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T14A066, June 2–5, 1997
Paper No: 97-GT-499
DOI: https://doi.org/10.1115/97-GT-499
View Paper titled, Resonance Vibration of Mistuned Bladed Discs in Stationary Operations
Click here to open pdf in another window PDF for Resonance Vibration of Mistuned Bladed Discs in Stationary Operations
Topics: Disks, Resonance, Vibration, Excitation, Airfoils, Blades, Compressible flow, Computer simulation, Geometry, Stress
Proceedings Papers

Multistage Coupling of Mistuned Aircraft Engine Bladed Discs in a Forced Vibration Analysis

Romuald Rzadkowski, Artur Maurin
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A016, June 16–20, 2014
Paper No: GT2014-26108
DOI: https://doi.org/10.1115/GT2014-26108
View Paper titled, Multistage Coupling of Mistuned Aircraft Engine Bladed Discs in a Forced Vibration Analysis
Click here to open pdf in another window PDF for Multistage Coupling of Mistuned Aircraft Engine Bladed Discs in a Forced Vibration Analysis
Topics: Aircraft engines, Disks, Vibration analysis, Rotors, Blades, Stress, Dynamics (Mechanics), Excitation, Finite element model, Mode shapes
Proceedings Papers

Dynamic Stress Analysis of a Blade in a Partially Blocked Engine Inlet

Marcin Drewczynski, Romuald Rzadkowski, Zofia Ostrowska
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT33A014, June 16–20, 2014
Paper No: GT2014-26011
DOI: https://doi.org/10.1115/GT2014-26011
View Paper titled, Dynamic Stress Analysis of a Blade in a Partially Blocked Engine Inlet
Click here to open pdf in another window PDF for Dynamic Stress Analysis of a Blade in a Partially Blocked Engine Inlet
Topics: Blades, Engines, Stress analysis (Engineering), Compressors, Computational fluid dynamics, Rotors, Aircraft engines, Pressure, Stress, Aircraft
Proceedings Papers

Analysis of Middle Bearing Failure in Rotor Jet Engine Using Tip-Timing and Tip-Clearance Technique

Edward Rokicki, Paweł Majewski, Romuald Rzadkowski, Ryszard Szczepanik, Jarosław Spychała, Marcin Drewczyński
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT31A014, June 16–20, 2014
Paper No: GT2014-25722
DOI: https://doi.org/10.1115/GT2014-25722
View Paper titled, Analysis of Middle Bearing Failure in Rotor Jet Engine Using Tip-Timing and Tip-Clearance Technique
Click here to open pdf in another window PDF for Analysis of Middle Bearing Failure in Rotor Jet Engine Using Tip-Timing and Tip-Clearance Technique
Topics: Bearings, Clearances (Engineering), Failure, Jet engines, Rotors, Blades, Engines, Aircraft, Aircraft engines, Compressors
Proceedings Papers

A Comparison of Two Load Transferring Methods in an Unsteady One-Way Fluid-Structure Interaction Analysis

Marcin Drewczynski, Marek Solinski, Romuald Rzadkowski
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1549-1558, June 11–15, 2012
Paper No: GT2012-69543
DOI: https://doi.org/10.1115/GT2012-69543
View Paper titled, A Comparison of Two Load Transferring Methods in an Unsteady One-Way Fluid-Structure Interaction Analysis
Click here to open pdf in another window PDF for A Comparison of Two Load Transferring Methods in an Unsteady One-Way Fluid-Structure Interaction Analysis
Topics: Fluid structure interaction, Stress, Blades, Rotors, Computational fluid dynamics, Transients (Dynamics), Compressors, Flow (Dynamics), Aeroelasticity, Aircraft engines
Proceedings Papers

Multistage Coupling of Eight Mistuned Bladed Disk on a Solid Shaft: Part 1—Free Vibration Analysis

Romuald Rzadkowski, Artur Maurin
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 531-540, June 11–15, 2012
Paper No: GT2012-68391
DOI: https://doi.org/10.1115/GT2012-68391
View Paper titled, Multistage Coupling of Eight Mistuned Bladed Disk on a Solid Shaft: Part 1—Free Vibration Analysis
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Topics: Disks, Free vibrations, Blades, Rotors, Dynamics (Mechanics), Finite element analysis, Mode shapes, Resonance
Proceedings Papers

Influence of Mesh Density and Turbulence Models on 2D Viscous Flutter in 11th Standard Configuration

Aleksandra Pajak, Romuald Rzadkowski
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1431-1439, June 11–15, 2012
Paper No: GT2012-68393
DOI: https://doi.org/10.1115/GT2012-68393
View Paper titled, Influence of Mesh Density and Turbulence Models on 2D Viscous Flutter in 11th Standard Configuration
Click here to open pdf in another window PDF for Influence of Mesh Density and Turbulence Models on 2D Viscous Flutter in 11th Standard Configuration
Topics: Density, Flutter (Aerodynamics), Turbulence, Blades, Cascades (Fluid dynamics), Computer simulation, Oscillations, Pressure
Proceedings Papers

Numerical Modelling of Fluid-Structure Interaction in a Turbine Stage for 3D Viscous Flow in Nominal and Off- Design Regimes

Romuald Rzadkowski, Vitaly Gnesin, Lubov Kolodyazhnaya
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 1299-1307, June 14–18, 2010
Paper No: GT2010-23779
DOI: https://doi.org/10.1115/GT2010-23779
View Paper titled, Numerical Modelling of Fluid-Structure Interaction in a Turbine Stage for 3D Viscous Flow in Nominal and Off- Design Regimes
Click here to open pdf in another window PDF for Numerical Modelling of Fluid-Structure Interaction in a Turbine Stage for 3D Viscous Flow in Nominal and Off- Design Regimes
Topics: Design, Fluid structure interaction, Modeling, Turbines, Viscous flow, Blades, Boundary layers, Excitation, Flow (Dynamics), Numerical analysis