Research interests include Influence of Surface Roughness on Flow instability, Compressible Boundary Layer Stability, Wake Instabilty and Receptivity.

This study focuses on the mechanism of wall turbulence, in particular, growth and breakdown of near-wall low-speed streaks.

This is basic research on mechanism of aerodynamic noise, including flow control for reducing trailing-edge noise of wing.

The research interests include wing aerodynamics in formation flight and aerodynamics of human-powered airplane and ULP.