Results of an experimental investigation of thermally induced vibrations of spacecraft structures now in progress at the University of Virginia's Thermal Structures Laboratory are presented. The primary objective of the research is to develop a fundamental understanding of thermally induced vibrations so that their adverse effects on spacecraft performance can be controlled or eliminated. Laboratory tests were conducted on a model spacecraft boom to investigate the character of the thermal-structural response of a representative flexible spacecraft appendage. Both stable and unstable thermally induced vibrations of the model spacecraft boom were studied. In addition, a new phenomenon not predicted by current theories has been observed: thermal strum.
An experimental investigation of thermally induced vibrations of spacecraft structures
Eine experimentelle Untersuchung thermisch induzierter Schwingungen von Raumfahrt-Strukturen
1994
13 Seiten, 17 Bilder, 1 Tabelle, 8 Quellen
Conference paper
English
An Experimental Investigation of Thermally Induced Vibrations of Spacecraft Structures
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