While blade surface roughness arising from in-service wear and/or the manufacturing
process greatly affects aero-thermal performance, the detailed underlying physical …

High-fidelity simulation of transitional and turbulent flows over multi-scale surface roughness
presents several challenges. For instance, the complex and irregular geometrical nature of …

This study presents a novel design methodology that integrates design, experimentation,
and computational fluid dynamics (CFD) to tackle the aerodynamic challenges of high loads …

We introduce a wall model (WM) for large-eddy simulation (LES) applicable to rough
surfaces with Gaussian and non-Gaussian distributions for both transitionally and fully rough …

This paper presents a combined numerical and experimental study of the high-subsonic
organic vapor flow in a linear turbine cascade. The profile geometry is the well-documented …

Compressible direct numerical simulations are conducted to investigate how surface
roughness affects the aerothermal performance of a high-pressure turbine vane operating at …

High-fidelity simulations are used to conduct controlled numerical experiments to investigate
the effect of periodically incoming wakes on profile and three-dimensional loss mechanisms …

Abstract High-Speed Low-Pressure Turbines are one key turbomachinery component in
ultra-high bypass ratio geared turbofan engines. The High-Speed Low-Pressure Turbine …

This paper presents a combined numerical and experimental study of the high-subsonic
organic vapor flow in a linear turbine cascade. The profile geometry is the well-documented …

There is great interest in the usage of Ceramic Matrix Composites (CMC) as a turbine blade
material. However, depending on the manufacturing process of the CMC, blades may have …