Noninvasive and real-time flowrate measurement for small pipes is crucial in medical
diagnostics and aviation hydraulic system health monitoring. However, current bulk PZT …

This paper presents a highly accurate two-channel ultrasonic flowmeter based on AlN
piezoelectric micromachined ultrasonic transducers (PMUTs) to measure flow rate in small …

In this paper, we propose a non-contact ultrasonic liquid flowmeter based on AlN
piezoelectric micromachined ultrasonic transducer (PMUT) arrays. Two 10 by 10 PMUT …

In this paper a low-price ultrasonic flowmeter is designed and implemented that measures
the time of flight of ultrasonic signal in low flow rates for small diameter pipes with maximum …

This paper describes a high-accuracy airflow volumetric flowmeter using piezoelectric
micromachined ultrasound transducers (pMUTs) arrays based on the transit-time. Two …

Ultrasonic flowmeter is one of the most widely used devices in flow measurement.
Traditional bulk piezoelectric ceramic transducers restrict their application to small pipe …

This paper presents a system utilizing scandium-doped aluminum nitride (ScAlN)
piezoelectric micromachined ultrasonic transducers (PMUTs) for simultaneous detection of …

In this paper, we report a miniaturized transit-time ultrasonic flowmeter (TTUF) for low-flow
measurement in small-diameter channels. The proposed TTUF contains two pieces of ScAlN …

This paper firstly proposes an ultrasonic liquid flowmeter based on AlN piezoelectric
micromachined ultrasonic transducer arrays. By detecting the transit time of ultrasonic wave …

Transit-time ultrasonic flowmeters (TTUFs) are among the most widely used devices for flow
measurements. However, traditional TTUFs are usually based on a bulk piezoelectric …