High-resolution acoustic measurements by
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P.J. Hamot; H.H. Hensley; Y. Lee; W.P. Halperin
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Article
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1990
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Elsevier Science
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English
โ 196 KB
An acoustic technique is described which permits precise measurement of phase velocity in liquids or gases with high attenuation ( c1 >I0 cm-l) utilizing a thin, variable path length acoustic cavity formed by a quartz transducer and a piezoelectnc bimorph. The path length can be changed manually or