1-8 of 8
Nikola Kovachev
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Multi-Objective Numerical Optimization of Radial Turbines

Available to Purchase
Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031004.
Paper No: TURBO-23-1227
https://doi.org/10.1115/1.4063929
Published Online: November 16, 2023
View Articletitled, Multi-Objective Numerical Optimization of Radial Turbines
Open the PDF for Multi-Objective Numerical Optimization of Radial Turbines in another window
Topics: Computational fluid dynamics, Geometry, Optimization, Turbines, Design, Wheels, Durability, Turbochargers
Proceedings Papers

Multi-Objective Numerical Optimization of Radial Turbines

Available to Purchase

Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103918
https://doi.org/10.1115/GT2023-103918
View Paper titled, Multi-Objective Numerical Optimization of Radial Turbines
Open the PDF for Multi-Objective Numerical Optimization of Radial Turbines in another window
Topics: Optimization, Turbines, Design, Geometry, Durability, Inertia (Mechanics), Computational fluid dynamics, Engineering disciplines, Engineering simulation, Finite element analysis
Proceedings Papers

Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage

Available to Purchase

Nikola Kovachev, Damian M. Vogt
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16045
https://doi.org/10.1115/GT2020-16045
View Paper titled, Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage
Open the PDF for Numerical Investigation of the Effect of Operating Point on the Aerodynamic Excitation in a Radial Turbine Stage in another window
Topics: Excitation, Turbines, Computational fluid dynamics, Mode shapes, Pressure, Blades, Engineering simulation, Interpolation, Modeling, Rotors
Journal Articles

Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach

Available to Purchase
Nikola Kovachev, Tobias R. Müller, Christian U. Waldherr, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121004.
Paper No: GTP-19-1502
https://doi.org/10.1115/1.4045152
Published Online: November 8, 2019
View Articletitled, Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach
Open the PDF for Prediction of Low-Engine-Order Excitation Due to a Nonsymmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach in another window
Topics: Blades, Excitation, Flow (Dynamics), Turbines, Vibration, Pressure, Engines, Nozzles, Symmetry (Physics)
Proceedings Papers

Prediction of Low-Engine-Order Excitation due to a Non-Symmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach

Available to Purchase

Nikola Kovachev, Tobias R. Müller, Christian U. Waldherr, Damian M. Vogt
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90366
https://doi.org/10.1115/GT2019-90366
View Paper titled, Prediction of Low-Engine-Order Excitation due to a Non-Symmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach
Open the PDF for Prediction of Low-Engine-Order Excitation due to a Non-Symmetrical Nozzle Ring in a Radial Turbine by Means of the Nonlinear Harmonic Approach in another window
Topics: Engines, Excitation, Nozzles, Symmetry (Physics), Turbines, Blades, High cycle fatigue, Inflow, Vibration, Annulus
Proceedings Papers

Aerodynamic Excitation Analysis of a Radial Turbine Featuring a Multi-Channel Casing Design

Available to Purchase

Ahmed Farid Hassan, Jennifer Blackburne, Nikola Kovachev, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90105
https://doi.org/10.1115/GT2019-90105
View Paper titled, Aerodynamic Excitation Analysis of a Radial Turbine Featuring a Multi-Channel Casing Design
Open the PDF for Aerodynamic Excitation Analysis of a Radial Turbine Featuring a Multi-Channel Casing Design in another window
Topics: Design, Excitation, Turbines, Rotors, Blades, Modal analysis, Pressure, Aerodynamics, Computer simulation, Engines
Journal Articles

Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach

Available to Purchase
Nikola Kovachev, Christian U. Waldherr, Jürgen F. Mayer, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021007.
Paper No: GTP-18-1346
https://doi.org/10.1115/1.4040856
Published Online: September 21, 2018
View Articletitled, Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach
Open the PDF for Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach in another window
Topics: Blades, Damping, Excitation, Rotors, Simulation, Turbines, Vibration, Pressure, Resonance, Computational fluid dynamics
Proceedings Papers

Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach

Available to Purchase

Nikola Kovachev, Christian U. Waldherr, Jürgen F. Mayer, Damian M. Vogt
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A020, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76814
https://doi.org/10.1115/GT2018-76814
View Paper titled, Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach
Open the PDF for Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach in another window
Topics: Blades, Rotors, Turbines, Vibration, Computational fluid dynamics, Damping, Engineering simulation, Excitation, Fluid structure interaction, High cycle fatigue