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Postflight analysis of the single-axis acoustic system on SPAR VI and recommendations for future flightsThe single axis acoustic levitator that was flown on SPAR VI malfunctioned. The results of a series of tests, analyses, and investigation of hypotheses that were undertaken to determine the probable cause of failure are presented, together with recommendations for future flights of the apparatus. The most probable causes of the SPAR VI failure were lower than expected sound intensity due to mechanical degradation of the sound source, and an unexpected external force that caused the experiment sample to move radially and eventually be lost from the acoustic energy well.
Document ID
19810010274
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Naumann, R. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Oran, W. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Whymark, R. R. (Intersonics, Inc.)
Rey, C. (Intersonics, Inc.)
Date Acquired
September 4, 2013
Publication Date
January 1, 1981
Subject Category
Acoustics
Report/Patent Number
NASA-TM-82396
Accession Number
81N18800
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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