Ultrasonic Continuous-Wave Beam-Power Measurements; International Intercomparison

Autor:	Martin Greenspan, Donald G. Eitzen, Carl E. Tschiegg
Rok vydání:	1983
Předmět:	Materials science business.industry Acoustics Ultrasound General Engineering Acoustic energy Physics and Chemistry Power (physics) Transducer Continuous wave Ultrasonic sensor business Beam (structure) Fabry–Pérot interferometer
Zdroj:	J Res Natl Bur Stand (1977)
ISSN:	0160-1741
DOI:	10.6028/jres.088.005
Popis:	Some quartz transducers designed and fabricated at the National Bureau of Standards as transmitters of ultrasonic power appear to be sufficiently stable and linear to serve as standards. Therefore, an international intercomparison of measurements of the continuous-wave (cw) power emitted by these standards was arranged. Each of the seven participating laboratories performed such measurements using one or more methods representing its practice and reported the results to the National Bureau of Standards which served as the pilot laboratory. We present the results mostly in the form of tables. Some remarks on stability are appended.
Databáze:	OpenAIRE
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