Accession Number : AD0276204

Title :   ESTIMATED NOISE PRODUCED BY LARGE SPACE VEHICLES AS RELATES TO ESTABLISHING TENTATIVE SAFE DISTANCES TO ADJACENT LAUNCH PADS AND THE COMMUNI

Corporate Author : AEROSPACE MEDICAL RESEARCH LABS WRIGHT-PATTERSON AFB OHIO

Report Date : APR 1962

Pagination or Media Count : 1

Abstract : Sound pressure level environments have been presented for 19 sizes of rocket propulsion vehicles covering the 1 x 10 to the 6th power to 2.2 x 10 to the 7th power pound thrust range. These environments have been specified in simplified form using over-all sound pressure level as a measure and have been given as a function of distance from the launch site for each of the 19 different rocket sizes. Two criterion levels were assumed and expressed in terms of OASPL: (1) one criterion for maximum levels tolerable by the community; and (2) a criterion for maximum levels tolerable by space vehicle or missile systems (based on Atlas/Titan type) on adjacent pads. Caution has been given that the use of OASPL's as a measure of environment or criteria is only valid assuming that pertinent frequency dependencies have been included in the analysis as was done herein for the units considered. Comparison of estimated levels to assumed criteria resulted in tentative launch hazard radii for siting of each size system. Range of uncertainty in these estimates was also indicated. (Author)

Descriptors :   *NOISE, *SOCIOLOGY, *SPACECRAFT, LAUNCHING SITES, MATHEMATICAL PREDICTION, MEASUREMENT, STANDARDS

Distribution Statement : APPROVED FOR PUBLIC RELEASE