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  Ultrasonic resonator energy loss determination (chemical kinetics study).

Eggers, F. (1990). Ultrasonic resonator energy loss determination (chemical kinetics study). Measurement Science and Technology, 1(5), 385-390.

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Eggers, F.1, Author              
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1Abteilung Experimentelle Methoden, MPI for biophysical chemistry, Max Planck Society, ou_578551              

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 Abstract: Ultrasonic resonators are used to study chemical kinetics in liquids (relaxation spectrometry). Resonator loss, proportional to Q-1, is frequently determined from half-power bandwidth (amplitude 3 dB down from peak value); but other methods, in particular those utilising the phase characteristic at resonance, are often advantageous. The author describes three different techniques, employing an AM driving signal for the resonator network, affecting the modulation envelope; a resonance peak compensation (RF amplitude and phase of the output signal); the phase slope (group delay) of the output signal. Relations for the one-dimensional ultrasonic resonator, circuit diagrams and measurement examples are given.

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Language(s): eng - English
 Dates: 1990-05
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: eDoc: 285270
ISI: A1990DB26600002
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Title: Measurement Science and Technology
Source Genre: Journal
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Pages: - Volume / Issue: 1 (5) Sequence Number: - Start / End Page: 385 - 390 Identifier: ISSN: 0957-0233