1 January 1987 Particulate Redistribution Experiments For The Hubble Space Telescope
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Abstract
The HST program scheduled a series of operational verification tests prior to launch. Some of these major tests include thermal vacuum/thermal balance, modal and acoustic testing. This paper addresses the preliminary work done to prepare for the acoustic testing operation. Acoustic cleaning of large assemblies is usually the first in a series of steps for cleaning a large space structure. Very little work has been done in the area of contamination analysis to determine particle redistribution after a large structure undergoes acoustic excitation. This paper will cover 4 experiments that were carried out in the Large Vehicle Environmental Test Cell #1 at Lockheed Missiles and Space Company in Sunnyvale, California. The experiments looked at particle redistribution, fallout from the test cell, acoustic cleaning as a precleaning tool for small particles and the effects of orientation of a model structure undergoing acoustic excitation.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Bush, L. Aguilar, "Particulate Redistribution Experiments For The Hubble Space Telescope", Proc. SPIE 0777, Optical Systems Contamination: Effects, Measurement, Control, (1 January 1987); doi: 10.1117/12.967083; https://doi.org/10.1117/12.967083
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