| 31 | Interaction of a Turbulent Vortex with a Lifting Surface Lee, Duck-Joo; Roberts, L., AIAA 23rd Aerospace Science Meeting, AIAA, 1985 |
| 32 | Applications of Fast Vortex Method for the Interaction between Vortex and Wedge Corners Kim, Y. N.; Lee, Duck-Joo, KSASS-Autumn, pp.7 - 14, 1988-10 |
| 33 | Impulsive Acoustic Wave Generation due to Turbulent Vortex and Lifting Surface Interaction Lee, Duck-Joo, KSASS-Spring, pp.27 - 32, 1988-05 |
| 34 | Distortion of the Vortex Core during Blade/Vortex Interaction Lee, Duck-Joo; Smith, C. A., AIAA 19th Fluid Dynamics, Plasma Dynamics and Lasers Conference, AIAA, 1987-06 |
| 35 | Prediction of Sources Moving at High Speed as Applied to Helicopter Noise Lee, Duck-Joo; Wright, S. E., AIAA 22nd Aerospace Science Meeting, AIAA, 1984-01 |
| 36 | Predictions of airloads and wake geometry for slowly starting rotor blades in hovering flight by using time marching free vortex blob method Lee, Duck-Joo; Na, Seon Uk, Proceedings of the 1996 52nd Annual Forum. Part 1 (of 3), v.1, pp.532 - 539, 1996-06-04 |
| 37 | Sound Generation Due to a Spinning Vortex Pair near the Flat and Curved Wall Koo, S. O.; Ryu, K. W.; Lee, Duck-Joo, 2nd AIAA/CEAS Aero Acoustic Conference, AIAA, 1996-05 |
| 38 | Numerical Simulations of High Speed Train Impulsive Noise Using an Unsteady Deforming Mesh Algorithm Hwang, C. J.; Lee, Duck-Joo, 16th AIAA Aeroacoustics Conference, pp.65 - 74, AIAA, 1995-06 |
| 39 | Predictions of Air Loadings and Wake Structures of Rotating Blades in Vertical Flights by Using Time-Marching Free-Wake Method Strongly Coupled with Nonlinear Rotor Dymanics Na, Seon UK; Chung, Ki Hoon; Lee, Duck-Joo, Heli Japan 98, pp.333 - 342, 1998 |
| 40 | Surface Pressure Fluctuations due to Impinging Vortical Flows upon an Airfoil Lee, Duck-Joo, 1st National Fluid Dynamics Congress, pp.303 - 310, 1988-07 |
