Measurement of acoustical impedances of fluids by analysis of transient acoustic waveshapes using an acoustical waveguide with piezoelctric transducers
A method has been developed for measuring the acoustic impedance of fluids in a fluid-filled waveguide terminated at each end by piezoelectric crystals. Output voltage waveforms were computed for the general case of an arbitrary driving voltage. Analysis of these output waveforms, when the drivi...
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| Language: | en_US |
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Monterey, California. U.S. Naval Postgraduate School
2012
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| Online Access: | http://hdl.handle.net/10945/9572 |
| Summary: | A method has been developed for measuring the acoustic
impedance of fluids in a fluid-filled waveguide terminated at
each end by piezoelectric crystals. Output voltage waveforms
were computed for the general case of an arbitrary driving voltage.
Analysis of these output waveforms, when the driving voltage was
an impulse function, indicated significant changes in the voltage
envelopes as the acoustic impedance of the fluid within the waveguide
was varied. |
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