Fluid flow velocity measurement using dual-ultrasonic transducer by means of simultaneously transit time method

Amri, Khairul; Wiranata, Lalu Febrian; Suprijanto,; Kurniadi, Deddy

doi:10.1109/icici-bme.2015.7401346

Cited by 7 publications

(6 citation statements)

References 5 publications

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“…Although in some methods sending signals is done by both transducers simultaneously, but even in these methods, the transmitted signal is considered as a reference signal, and then the received signals are compared with the reference signal. In other words, in these methods, again, the CC calculations are repeated twice to measure the flow velocity in an acoustic path [25].…”

Section: Corrected Time-difference Methodsmentioning

confidence: 99%

“…In the time-difference method, both transducers are simultaneously sending pulses in the direct and reverse directions. Thus, two pairs of transducers and cross-arrangement are not needed, and a pair of transducers is sufficient [25].…”

Section: Cc-based Transit-time Ufmsmentioning

confidence: 99%

“…In this section, the impact of temperature changes (from − 15 to 43°C by 1° increase in each step) in a 20 cm pipe size at various velocities (1,5,10,15,20,25 and 30 m/s) is investigated. ABE resulted from (9) is calculated.…”

Section: Effect Of Flow Velocity and Temperature Variation On Abementioning

confidence: 99%

See 2 more Smart Citations

Reducing the additional error caused by the time‐difference method in transit‐time UFMs

Yazdanshenasshad¹,

Safizadeh²

2019

IET Science, Measurement & Technology

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Section: Corrected Time-difference Methodsmentioning

confidence: 99%

Section: Cc-based Transit-time Ufmsmentioning

confidence: 99%

See 1 more Smart Citation

Reducing the additional error caused by the time‐difference method in transit‐time UFMs

Yazdanshenasshad¹,

Safizadeh²

2019

IET Science, Measurement & Technology

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“…Two ultrasonic transducers are installed on both sides of the pipe at an inclined angle. This structure can be used for measurement of both gases [22] and liquids [23]. During measurement, the transducer 1 firstly transmits sound waves under excitation voltage pulse, and then the transducer 2 receives the coming sound waves.…”

Section: The Working Principle Of Flowmetermentioning

confidence: 99%

An ultrasonic flowmeter for liquid flow measurement in small pipes using AlN piezoelectric micromachined ultrasonic transducer arrays

Zhu

Chen

et al. 2020

J. Micromech. Microeng.

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This paper firstly proposes an ultrasonic liquid flowmeter based on AlN piezoelectric micromachined ultrasonic transducer arrays. By detecting the transit time of ultrasonic wave, the flowmeter can measure liquid flow in small pipes (8 mm), which is difficult for traditional bulk piezoelectric ultrasonic transducers. In the flowmeter, the acoustic path and flow path are overlapped, which greatly improves sensitivity compared with the typical structure. The cross-correlation method is used to determine the ultrasonic transit time, which can effectively reduce the influence of signal noise and amplitude change. The maximum measurement error of the flowmeter is less than 5% in the flow range of 0–3.36 l min−1.

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“…The transducers can transmit and receive each other to measure the ultrasonic wave propagation time. The dual ultrasonic transducers are used to improve the anti-interference ability and effectively suppress the influence of sudden changes in flow rate on measurement [5]. In 2019, B. Li and others conducted antijamming performance under the complex flow fields research on ultrasonic water meters and proposed ultrasonic signal characteristic analysis, which combines the advantage of the cross-correlation method and the advantage of the threshold comparison method [6].…”

Section: Introductionmentioning

confidence: 99%

A Small Diameter Ultrasonic Water Meter With Self-Diagnosis Function and Self-Adaptive Technology

et al. 2021

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Ultrasonic water meters have current widespread problems of poor site adaptability, low measurement accuracy, and poor stability. A high-precision intelligent ultrasonic water meter with selfdiagnosis function and adaptive technology was proposed in this paper, which is focus on improving the measurement accuracy and repeatability of the small pipe diameters. The hardware circuit design of the ultrasonic water meter studied in this paper adopts the low-power STM32L053 microcontroller with Cortex-M0 core architecture and the high-precision 11 ps time resolution timing chip TDC-GP30 to complete the metering function. The software combines pulse width ratio and amplitude voltage measurement technology to make the water meter have self-diagnosis function, avoid measurement errors caused by accidental factors, improve adaptability and measurement accuracy, also the application of adaptive measurement period method is used to improve measurement repeatability. The software adopts the moving average filtering algorithm, which effectively reduces the fluctuation of the time-of-flight(ToF) difference and improve the measurement accuracy of the flow point in the low zone (between the minimum flow and the boundary flow). The experimental verification results show that the accuracy of the small-caliber ultrasonic water meter can reach within ± 1.5 %, and the repeatability is less than 0.5 %. In the face of fluid disturbances, adaptive technology is used in this water meter to adjust the measurement period and carry out self-diagnostic function research, and automatically respond to deal with abnormal faults, thereby realizing the demand for intelligence.INDEX TERMS High-precision intelligent small-diameter ultrasonic water meter, Self-diagnosis function, Adaptive measurement period, Moving average filtering algorithm.

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Fluid flow velocity measurement using dual-ultrasonic transducer by means of simultaneously transit time method

Cited by 7 publications

References 5 publications

Reducing the additional error caused by the time‐difference method in transit‐time UFMs

Reducing the additional error caused by the time‐difference method in transit‐time UFMs

An ultrasonic flowmeter for liquid flow measurement in small pipes using AlN piezoelectric micromachined ultrasonic transducer arrays

A Small Diameter Ultrasonic Water Meter With Self-Diagnosis Function and Self-Adaptive Technology

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