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[1] Baker, R.C., Flow Measurement Handbook, Cambridge University Press, pp. 312–356, 2000. [Crossref]
[2] Miller, R.W., Flow Measurement Engineering Handbook, McGraw-Hill, 1989.
[3] Furuichi, N., Terao, Y. & Takamoto, M., A calibration of a feed water flowmeter installed to model loop of a nuclear power plant using high reynolds number facility. Proceed- ings of 16th International Conference on Nuclear Engineering, pp. 145–151, 2008.
[4] Woodcock, J.P., Development of the ultrasonic flowmeter. Ultrasound in Medicine & Biology, 2(1), pp. 11–18, 1975. [Crossref]
[5] Takamoto, M., Ishikawa, H., Shimizu, K., Monji, H. & Matsui, G., New measurement method for very low liquid flow rates using ultrasound. Flow Measurement and Instru- mentation, 12(4), pp. 267–273, 2001. [Crossref]
[6] Solodov, I., Pfleiderer, K., Gerhard, H., Predak, S. & Busse, G., New opportunities for NDE with air-coupled ultrasound. NDT & E International, 39(3), pp. 176–183, 2006. [Crossref]
[7] Bashford, A.G., Air-coupled ultrasonic transducers for measurement of green-state ceramics at elevated temperatures. IEE Proceedings: Science, Measurement and Tech- nology, 145(5), pp. 237–243, 1998. [Crossref]
[8] Thomson, W.T., Transmission of elastic waves through a stratified solid medium. Jour- nal of Applied Physics, 21, pp. 89–93, 1950. [Crossref]
[9] Torikai, Y. & Fusao, F., Nihon-onkyogakkai-shi, 8(1), pp. 21–27, 1954.
[10] Nishino, H., Masuda, S., Yoshida, K., Takahashi, M., Hoshino, H. & Ogura, Y., et al., Theoretical and experimental investigations of transmission coefficients of longitudinal waves through metal plates immersed in air for uses of air coupled ultrasounds. Materi- als Transactions, 49(12), pp. 2861–2867, 2008. [Crossref]
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Open Access
Research article

Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound

keisuke tsukada1,
hiroshige kikura2
1
Graduate School of Science and Engineering, Tokyo Institute of Technology
2
Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology
International Journal of Computational Methods and Experimental Measurements
|
Volume 4, Issue 4, 2016
|
Pages 583-593
Received: N/A,
Revised: N/A,
Accepted: N/A,
Available online: N/A
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Abstract:

The characteristics of the measurement capacity of air-coupled ultrasonic sensor influenced by the incident angle were investigated analytically and experimentally. The optimized incident angle between ultrasound and test pipe was determined. The air-coupled ultrasonic sensor with this determined incident angle was applied to the flowrate measurement in the aluminium pipe. The measurement results were compared to those obtained by using the electromagnetic flowmeter. Since the measurement results show good linearity, the capacity of the air-coupled ultrasonic flowmeter is revealed.

Keywords: Air-coupled ultrasonic flowmeter, Incident angle, Lamb wave, Non-contact measurement

1. Introduction

2. The Measurement Principle of Ultrasonic Flowmeter

3. Acoustic Transmission on the Aluminium Pipe

4. Flowrate Measurement

5. Conclusion

References
[1] Baker, R.C., Flow Measurement Handbook, Cambridge University Press, pp. 312–356, 2000. [Crossref]
[2] Miller, R.W., Flow Measurement Engineering Handbook, McGraw-Hill, 1989.
[3] Furuichi, N., Terao, Y. & Takamoto, M., A calibration of a feed water flowmeter installed to model loop of a nuclear power plant using high reynolds number facility. Proceed- ings of 16th International Conference on Nuclear Engineering, pp. 145–151, 2008.
[4] Woodcock, J.P., Development of the ultrasonic flowmeter. Ultrasound in Medicine & Biology, 2(1), pp. 11–18, 1975. [Crossref]
[5] Takamoto, M., Ishikawa, H., Shimizu, K., Monji, H. & Matsui, G., New measurement method for very low liquid flow rates using ultrasound. Flow Measurement and Instru- mentation, 12(4), pp. 267–273, 2001. [Crossref]
[6] Solodov, I., Pfleiderer, K., Gerhard, H., Predak, S. & Busse, G., New opportunities for NDE with air-coupled ultrasound. NDT & E International, 39(3), pp. 176–183, 2006. [Crossref]
[7] Bashford, A.G., Air-coupled ultrasonic transducers for measurement of green-state ceramics at elevated temperatures. IEE Proceedings: Science, Measurement and Tech- nology, 145(5), pp. 237–243, 1998. [Crossref]
[8] Thomson, W.T., Transmission of elastic waves through a stratified solid medium. Jour- nal of Applied Physics, 21, pp. 89–93, 1950. [Crossref]
[9] Torikai, Y. & Fusao, F., Nihon-onkyogakkai-shi, 8(1), pp. 21–27, 1954.
[10] Nishino, H., Masuda, S., Yoshida, K., Takahashi, M., Hoshino, H. & Ogura, Y., et al., Theoretical and experimental investigations of transmission coefficients of longitudinal waves through metal plates immersed in air for uses of air coupled ultrasounds. Materi- als Transactions, 49(12), pp. 2861–2867, 2008. [Crossref]
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Tsukada, K. & Kikura, H. (2016). Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound. Int. J. Comput. Methods Exp. Meas., 4(4), 583-593. https://doi.org/10.2495/CMEM-V4-N4-583-593
K. Tsukada and H. Kikura, "Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound," Int. J. Comput. Methods Exp. Meas., vol. 4, no. 4, pp. 583-593, 2016. https://doi.org/10.2495/CMEM-V4-N4-583-593
@research-article{Tsukada2016FlowrateMO,
title={Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound},
author={Keisuke Tsukada and Hiroshige Kikura},
journal={International Journal of Computational Methods and Experimental Measurements},
year={2016},
page={583-593},
doi={https://doi.org/10.2495/CMEM-V4-N4-583-593}
}
Keisuke Tsukada, et al. "Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound." International Journal of Computational Methods and Experimental Measurements, v 4, pp 583-593. doi: https://doi.org/10.2495/CMEM-V4-N4-583-593
Keisuke Tsukada and Hiroshige Kikura. "Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound." International Journal of Computational Methods and Experimental Measurements, 4, (2016): 583-593. doi: https://doi.org/10.2495/CMEM-V4-N4-583-593
TSUKADA K， KIKURA H. Flowrate Measurement on Metal Pipes by Air-Coupled Ultrasound[J]. International Journal of Computational Methods and Experimental Measurements， 2016， 4(4)： 583-593. https://doi.org/10.2495/CMEM-V4-N4-583-593