1. Studies of the acoustic transmission characteristics of coaxial nozzles with inverted velocity profiles;Dean;NASA CR-159698,1979
2. A study of the acoustic transmission characteristics of suppressor nozzles;Ahuja;NASA CR-165144,1980
3. Lowfrequency sound absorption of orifice plates, perforated plates, and nozzles;Salikuddin,1980
4. Characteristics of internal and jet noise radiation from a multi-lobe, multi-tube suppressor nozzle tested statically and under flight conditions;Ahuja;American Institute of Aeronautics and Astronautics 6th Aeroacoustics Conference Paper No. 80-1027,1980
5. Internal noise radiation characteristics of baffles, nozzles, orifice plates and perforated plates used as duct terminations;Salikuddin;Lockheed-Georgia Company Engineering Report LG80ER0204,1980