Fluid density and concentration measurement using noninvasive in situ ultrasonic resonance interferometry
- Los Alamos, NM
- Espanola, NM
The specific gravity or solute concentration of a process fluid solution located in a selected structure is determined by obtaining a resonance response spectrum of the fluid/structure over a range of frequencies that are outside the response of the structure itself. A fast fourier transform (FFT) of the resonance response spectrum is performed to form a set of FFT values. A peak value for the FFT values is determined, e.g., by curve fitting, to output a process parameter that is functionally related to the specific gravity and solute concentration of the process fluid solution. Calibration curves are required to correlate the peak FFT value over the range of expected specific gravities and solute concentrations in the selected structure.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- Regents of University of California, Office of Technology (Alameda, CA)
- Patent Number(s):
- US 5359541
- OSTI ID:
- 869582
- Country of Publication:
- United States
- Language:
- English
A Sonic Interferometer for Measuring Compressional Velocities in Liquids: A Precision Method1
|
journal | January 1928 |
Fluid density and concentration measurement using noninvasive in situ ultrasonic resonance interferometry
|
conference | January 1992 |
Practical ultrasonic spectrometric measurement of solution concentrations by a tracking technique
|
journal | May 1990 |
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Fluid density and concentration measurement using noninvasive in situ ultrasonic resonance interferometry
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