Publication Date:
2019-06-28
Description:
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.
Keywords:
MECHANICS
Type:
LEW-13265
,
NASA Tech Briefs (ISSN 0145-319X); 4; 4; P. 523
Format:
text