All Outputs (6)

Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation (2021)
Journal Article
Nakhchi, M. E., Win Naung, S., & Rahmati, M. (2022). Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation. Energy, 242, Article 122988. https://doi.org/10.1016/j.energy.2021.122988

Flutter instability because of the blade vibrations is a major problem in axial compressor cascades. This paper investigates the effects of blade oscillations on aerodynamic performance and turbulent flow characteristics of modern gas-turbine compres... Read More about Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation.

Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations. Aerospace Science and Technology, 119, Article 107151. https://doi.org/10.1016/j.ast.2021.107151

The aerodynamic characteristics of advanced low-pressure turbines (LPTs) could be affected by the interaction between the transitional and turbulent flow and the dynamic behaviour of the blades. Consequently, analysing the details of the interactions... Read More about Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations.

An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method. Journal of Applied and Computational Mathematics, 7(3), 1737-1750. https://doi.org/10.22055/jacm.2021.37406.3011

Abstract. A highly efficient nonlinear frequency-domain solution method is proposed and employed to investigate the aerodynamic and aeromechanical performances of an oscillating wind turbine blade aerofoil in this study. Extensive validations of a fr... Read More about An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method.

High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method. Renewable Energy, 174, 984-1005. https://doi.org/10.1016/j.renene.2021.04.067

Aerodynamics of a wind turbine within windfarms is strongly influenced by the wake of neighbouring turbines. In particular, the performance of a wind turbine can be dramatically reduced depending on its location in the wake region of an upstream turb... Read More about High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method.

High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers (2021)
Journal Article
Nakhchi, M. E., Win Naung, S., & Rahmati, M. (2021). High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers. Energy, 225, Article 120261. https://doi.org/10.1016/j.energy.2021.120261

The objective of this study is to develop direct numerical simulations (DNS) to investigate the aerodynamic performance, transition to turbulence, and to capture the laminar separation bubble occurring on a wind turbine blade. Simulations are conduct... Read More about High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers.

Aeromechanical analysis of a complete wind turbine using nonlinear frequency domain solution method (2021)
Journal Article
Win Naung, S., Rahmati, M., & Farokhi, H. (2021). Aeromechanical analysis of a complete wind turbine using nonlinear frequency domain solution method. Journal of Engineering for Gas Turbines and Power, 143(1), Article 011018. https://doi.org/10.1115/1.4049206

The high-fidelity computational fluid dynamics (CFD) simulations of a complete wind turbine model usually require significant computational resources. It will require much more resources if the fluid-structure interactions (FSIs) between the blade an... Read More about Aeromechanical analysis of a complete wind turbine using nonlinear frequency domain solution method.