Some considerations of current and future launcher acoustic environments: Implications in terms of design and test requirements

Details Some considerations of current and future launcher acoustic environments: Implications in terms of design and test requirements Some considerations of current and future launcher acoustic environments: Implications in terms of design and test requirements

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990esasp.304..279e&link_type=abstract

In its International Symposium on Environmental Testing for Space Programmes: Test Facilities and Methods p 279-286 (SEE N91-152

Physics

Aeroacoustics, Aerospace Planes, Aircraft Noise, Dynamic Structural Analysis, Launch Vehicles, Launchers, Rocket Engine Noise, Spacecraft Structures, Acoustic Coupling, Acoustic Fatigue, Acoustic Simulation, Noise Prediction (Aircraft), Reverberation Chambers, Test Facilities

Scientific paper

With the advent of Large European Acoustic Facility (LEAF) and increasing interest in structural acoustics problems related to launch vehicle, space plane, and spacecraft technologies, consideration is given to influencing parameters, sources of errors, and available tools that will enable reasonable engineering assessments of problem scale and problem solving strategies to be established. Consideration is given to: the external noise as a loading action; the coupling efficiency; simplification methods of response assessment; the importance of acoustic fatigue and its simulation; treatment of broadband frequency problems; the relevance of reverberant room testing; and possible future problem areas. The danger of only partially understanding the influence of many parameters in structural acoustics is mentioned in conclusion.

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