Method measures acoustic properties of sound-absorbent materials and jet-nozzle system. Advantages of impulse method over other methods are that test time and complication are reduced. Results obtained from impulse method have been compared with those from existing methods, both experimental and theoretical, and show excellent agreement.
Measuring acoustic properties of materials and jet nozzles
NASA Tech Briefs ; 4 , 4
01.06.1980
Sonstige
Keine Angabe
Englisch
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