Improved Variable Frequency Ultrasonic Interferometer for Velocity and Attenuation Measurement in liquids

Acces sibility Controls

Implementing Organization

National Physical Laboratory (NPL)

About

Ultrasonic dispersion study, adiabatic compressibility and thermo-acoustic parameters of liquids; Pharmaceutical industries; Test liquid quality for food and ingredients in food industry; Research in colleges, universities of physics and chemistry faculty; Study of chemical and physical parameter like solvation number, Wada constant, intermolecular free path length etc; Used in industry to detect the purity and uniformity of liquids; Study of nano-fluids.

Patents

IN201Technology Demonstration11036499

Outcome / Output

Attenuation measurement facility added which is not present in the commercially available instrument, Generation of RF signal based on Direct Digital Synthesis (DDS) technology, Compatible with existing commercial liquid cells, Measurement of parameters at harmonic frequencies, Low cost solid-state electronic circuit design for the excitation and detection of ultrasound, Provision to count number of maxima and minima, Low excitation voltage produces negligible heat in the liquid sample.

Source

Source URL

technologies/improved-variable-frequency-ultrasonic-interferometer-velocity-and-attenuation-measurement-liquids

Related Research

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Quick Information

Thrust Areas

Physical Sciences

Focus Area

Purity & Uniformity Detection

Status

completed

Contact

director@nplindia.org

Acces sibility Controls

Physical Sciences