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Method and arrangement for an ultrasound clamp-on flow measurement and circuit arrangement for control of an ultrasound clamp-on flow measurement
Method and arrangement for an ultrasound clamp-on flow measurement and circuit arrangement for control of an ultrasound clamp-on flow measurement
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机译:用于超声钳式流量测量的方法和装置以及用于控制超声钳式流量测量的电路装置
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摘要
The invention relates to a method and an arrangement for an ultrasound clamp-on flow measurement according to the transit-time method. The problem addressed by the invention is to provide a measurement arrangement for clamp-on flow measurement, which enables measurement using only two pairs of acoustic transducers in both reflection configuration and in X configuration, without requiring the acoustic transducer position to be changed when switching between configurations. For the method according to the invention, at least four acoustic transducers are arranged on a measurement pipe, which are controlled in such a way that the flow measurement is performed consecutively in an alternating manner in the X configuration and in the reflection configuration. For this purpose, two acoustic transducers are connected for each transmission-receiving pair for a flow measurement in X configuration, and/or two acoustic transducers are connected for each transmission-receiving pair for two reflection configurations.
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