Yes, plasma actuators can be effectively used to control turbulent boundary layers in turbine stages, although their implementation presents both opportunities and challenges.

How Plasma Actuators Work:

Plasma actuators, especially Dielectric Barrier Discharge (DBD) plasma actuators, generate an ionized air region (plasma) when subjected to high-voltage alternating current. This creates a localized electrohydrodynamic (EHD) force, which induces a secondary flow in the boundary layer without any moving parts.

Benefits in Turbine Stages:

Challenges in Turbine Applications:

Recent Studies:

Recent experimental and numerical studies have demonstrated the potential of plasma actuators in leading-edge separation control and tip leakage vortex reduction in turbomachinery. Researchers are exploring their integration with active flow control systems to maximize aerodynamic performance.

Conclusion:

Plasma actuators hold significant potential for controlling turbulent boundary layers in turbine stages, especially for delay in separation, drag reduction, and enhanced mixing. However, challenges related to thermal stability, power efficiency, and practical implementation need to be addressed through advanced materials and optimized designs.