1996-07-01

MIR Acoustic Environment 961609

An experiment was conducted to measure sound pressure levels onboard Mir space station during the docking mission of Space Transportation System (STS)-74. Past Mir measurement data suggested the existence of higher noise levels than those considered acceptable for the International Space Station (ISS). With a separate noise specification to be determined for the Russian Segment (RS) of ISS, current noise level data were required as an analog for acoustic modeling and evaluation. Although high, measurement results showed substantially lower sound pressure levels from that of the historical data. Additional quantitative data collected from an audio dosimeter confirmed the findings.

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