Particulate Redistribution Experiments For The Hubble Space Telescope

J. Bush; L. Aguilar

doi:10.1117/12.967083

1 January 1987 Particulate Redistribution Experiments For The Hubble Space Telescope

J. Bush, L. Aguilar

Proceedings Volume 0777, Optical Systems Contamination: Effects, Measurement, Control; (1987) https://doi.org/10.1117/12.967083
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

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.

Citation Download Citation

J. Bush and L. Aguilar "Particulate Redistribution Experiments For The Hubble Space Telescope", Proc. SPIE 0777, Optical Systems Contamination: Effects, Measurement, Control, (1 January 1987); https://doi.org/10.1117/12.967083

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