Sung‐Hwan Ko

Sound Attenuation in Lined Rectangular Ducts with Flow and Its Application to the Reduction of Aircraft Engine Noise

S. Ko, Sung‐Hwan Ko, 1971 .

Multimode spherical hydrophone

John L. Butler, S. Ko, G. Brigham, 1974 .

Theoretical Prediction of Sound Attenuation in Acoustically Lined Annular Ducts in the Presence of Uniform Flow and Shear Flow

Sung‐Hwan Ko, 1973 .

New approach to the solution of eigenvalue problems in circular flow ducts (a Taylor series method)

Sung‐Hwan Ko, 1981 .