Abstract
• Flow measurement using Multipath Ultrasonic Phased Array (MUPA) flowmeter. • Reducing the number of the used transducer in multipath ultrasonic flowmeter by using the phased array transducer. • Using Gaussian Quadrature method to estimate flowrate by MUPA flowmeter. • Proposing a general velocity model for accurate measurement in different flow fields. Phased array transducers sweep ultrasonic beams electronically without moving the probe which can be used in multipath ultrasonic flowmeters to reduce the number of transducers. The path arrangements optimization and numerical integration improvement are based on a model for the flow field. Therefore, the accuracy of multipath ultrasonic flowmeters is strongly influenced when the flow field deviates from the assumed velocity model. In this paper, a generalized velocity model is presented to reduce the sensitivity of flow measurement to deviation of the flow field. The performance of multipath ultrasonic phased array flowmeter is investigated using Gaussian quadrature method based on the generalized model under different flow fields. The results reveal that the generalized model is able to reduce the sensitivity of multipath phased array flowmeters to flow field. The minimum mean of relative errors is within 1.64% under symmetric and asymmetric flow fields.
Published Version
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