Numerical simulation of beam drift effect in ultrasonic flow-meter
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.06.044
Abstract: Abstract In the present work, we have performed numerical simulations of carry-along (sound drift) effect in ultrasonic flow-meter with various steering angles using an accurate, dispersion relation preserving ( DRP ) scheme. Validation has been… read more here.
Keywords: drift effect; velocity; flow meter; effect ultrasonic ... See more keywords
A simple and easy-implemented time-of-flight determination method for liquid ultrasonic flow meters based on ultrasonic signal onset detection and multiple-zero-crossing technique
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2020.108398
Abstract: Abstract Determination of time-of-flight (TOF) is crucially important in liquid ultrasonic flow meters. There are some deficiencies of previous TOF detection methods in practical applications. Inspired by our last work and the knowledge of clustering algorithms,… read more here.
Keywords: detection; time; method; ultrasonic flow ... See more keywords
Exploiting nonlinear wave propagation to improve the precision of ultrasonic flow meters.
Sign Up to like & getrecommendations! Published in 2021 at "Ultrasonics"
DOI: 10.1016/j.ultras.2021.106476
Abstract: Acoustic wave propagation in ultrasonic flow measurements is typically assumed to be linear and reciprocal. However, if the transmitting transducer generates a sufficiently high pressure, nonlinear wave propagation effects become significant. In flow measurements, this… read more here.
Keywords: wave propagation; flow measurements; ultrasonic flow; flow ... See more keywords
Monitoring the Inhalation Flow Rate of Nebulized Aerosols Using an Ultrasonic Flow Meter: In Vitro Assessment
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Aerosol Medicine and Pulmonary Drug Delivery"
DOI: 10.1089/jamp.2016.1346
Abstract: Abstract Background: The measurement of aerosol flow rates without obscuration of the flow is of particular concern with in vivo lung deposition studies, where precise knowledge of aerosol particle size distributions is a necessary requirement… read more here.
Keywords: flow meter; flow rate; ultrasonic flow; flow ... See more keywords