August 17, 2025Open Access

Unsteady Boundary Layer Behavior due to Wake Passing Effects on Low-Speed Linear Cascade Compressor Airfoils With Single and Tandem Configurations: Part 1 - Midspan Flow

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Both tandem and single configurations show wake-induced transition effects on the boundary layer, and overall airfoil performance is impacted.
Key results indicate that higher wake-induced turbulence increases entropy generation and airfoil losses at elevated bar speeds.
Simulation employed is unsteady numerical analysis using the DLR CFD solver TRACE with advanced turbulence modeling.
Influential findings suggest that controlling wake effects can stabilize the boundary layer, improving compressor efficiency.

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Numerical analysis reveals wake-induced transition effects in compressor airfoils, suggesting design improvements for reduced losses.

Reisinger et al. (2025) studied this question.

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