Research fields

1. Flow control for a bluff body

• Adaptive-passive flow control for drag reduction

• Flow control using passive jets for a cylinder

2. Multirotor flow dynamics

• Rotor-rotor interaction in hover

• Rotor-rotor interaction in axial descent

• Rotor-rotor interaction in a crosswind condition

• Rotor-rotor interaction for a twin rotor near a ground

3. Aerodynamics of sports

• Flow characteristics of paraglider canopy

• Bio-inspried flow control for a paraglider canopy

4. Flight aerodynamics of birds and fishes

• Hydrodynamic effects of fish schooling

• Aerodynamic effects of wingtip shape of magpies

Publications

1. Chae, S., Lee, S.-I., & Kim, J. Variations in the wing shape and glide performances of the Oriental Magpie (Pica serica) in relation to sex and age classes (In preparation) 

2. Chae, S., Lee, S., & Kim, J. Effects of rotor–rotor interaction on the wake characteristics and thrust generation of a tandem rotor in a crosswind condition (In preparation) 

3. Lee, S., Chae, S. & Kim, J. Aerodynamic effects of rotor-rotor interaction on a tandem rotor in ground effect (In preparation)

4. Kim, J., Chae, S., & Kim, J. Flow control over a circular cylinder using a slot and axially arranged holes. Ocean Engineering, 287, 115794 (2023).

5. Chae, S., Lee, S. & Kim, J. Effects of rotor-rotor interaction on the wake characteristics of twin rotors in axial descent Journal of Fluid Mechanics 952, A31 (2022) 

6. Chae, S., Shin, J., Shin, Y., Hwang, S., Park, J., Song, G. & Kim, J. Aerodynamic effects of canopy inflation in paragliding Journal of Mechanical Science and Technology 36, 1835-1846 (2022)

7. Lee, S., Chae, S., Woo, S. Y., Jang, J. & Kim, J. Effects of rotor-rotor interaction on the wake structure and thrust generation of a quadrotor unmanned aerial vehicle IEEE Access 9, 85995

8. Chae, S., Lee, S., Kim, J. & Lee, J. H. Adaptive-passive control of flow over a sphere for drag reduction Physics of Fluids 31, 015107 (2019)