THE DEVELOPMENT OF A SONIC BOOM SIMULATOR

Abstract A sonic boom pressure profile was simulated in the far-field by detonation of a methane- oxygen mixture contained in a slender, shaped mylar envelope. Ideal N-waves were synthesized with peak overpressures from two to five psf and durations of 30 to 75 milliseconds. The detonation of the gas mixture was initiated by a single Primacord strand running the length of balloon. The N-wave producing balloon was synthesized as a composite structure, utilizing experimental pressure profiles obtained from the detonations of slender, axisymmetric balloons with elementary, nor-cylindrical shapes. 17. Key' Words (Suggested by Author(s)) Sonic Boom N-Wave Simulator Detonable Gases 18. Distribution Statement Unclassified - Unlimited I 19. Security Classif. (of this report) Unclassified I I 177 I $3.00 20. Security Classif. (of this page) 21. NO. of Pages 22. Rice* For sale by the National Technical Information Service, Springfield, Virginia