Transit Time Multipath Ultrasonic Flowmeter: An Issue on Acoustic Path Arrangement

Abstract:

The multipath ultrasonic flow meter using transit time measurement is being widely used for industrial gas flow measurement. Since the AGA report no. 9 has released, the application of this flowmeter in natural gas metering system has become a technical standard. Currently, the commerical multipath ultrasonic flowmeter employs parallel acoustic path arrangement which consists of four, five or six pairs of ultrasonic transducer. This paper discusses an issue on the acoustic path arrangement of multipath ultrasonic flowmeter in an asymmetric flow profile. From this study, the parallel path arrangement gives relatively inconsistent measurement results when the flow velocity profile was asymmetric.

• Periodical: Applied Mechanics and Materials (Volume 771)
• Pages: 3-8
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.771.3
• Online since: July 2015
• Authors: Deddy Kurniadi*
• Keywords: Flow Velocity Profile, Gas Flow Measurement, Hydrodynamic Factor, Multipath Ultrasonic Flowmeter, Orientation Range Factor, Orientation Sensitivity Factor

References

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