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Acoustic Simulation of Spacecraft Flight Vibration Environment
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English
Abstract
A reverberant acoustic field is frequently used in ground testing when it is desired to generate a spacecraft vibration environment similar to that encountered in flight. The sound-pressure level specified to accomplish this is usually the same as the maximum expected flight fluctuating pressure level. Experience has shown this to be an inadequate way to specify reverberant ground test levels because of basic differences in the characteristics of the reverberant and flight fluctuating pressure fields. This paper reviews pertinent information on this subject that has recently been obtained from large upperstage space vehicles.
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Citation
Henricks, W., "Acoustic Simulation of Spacecraft Flight Vibration Environment," SAE Technical Paper 730940, 1973, https://doi.org/10.4271/730940.Also In
References
- Henricks, Herzberg, and Wrenn “Survey of Space Vehicle Vibration Analysis and Test Techniques.” LMSC/A973829 Sept. 24 1970
- Morimoto Y. “The Effects of Test Specimen Modifications and Reverberant/Direct Acoustic Excitation Upon Specimen Response.” LMSC/D343946; SS-1524-6262 May 1 1973
- Keller and Yoshida “Orbital Workshop Vibro-acoustic Test Program.” 43rd Shock and Vibration Symposium
- Redmond and Butler “Investigation of Vibro- Acoustic Response Using Nondimensional Correlation Factors.” NASACR-102865