Abstract
In this article, we describe the effects and the degree to which they cause error in the measurement of propagation velocity. Various effects include nonlinearity in path measurement, temperature stability and number of maxima or minima consideration. Double-distilled water was used as a sample to estimate various effects. Finally, it has been concluded that the variable frequency approach may be preferred for better accuracy. It has also been observed that the digital frequency selection is more precise than mechanical distance variation.
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Acknowledgements
The authors would like to thank the Director, CSIR-National physical laboratory, for providing the necessary facilities to carry out above work. The authors (Sahil Sharma) also thank to University Grant Commission (UGC) New Delhi, India, for providing the Research fellowships.
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Sharma, S., Mishra, U.K., Saini, A.K. et al. Accuracy Estimation of Propagation Velocity in Variable Path Ultrasonic Interferometer for Liquids. MAPAN 35, 19–24 (2020). https://doi.org/10.1007/s12647-019-00331-x
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DOI: https://doi.org/10.1007/s12647-019-00331-x