Acoustic-electric dual-mode measurement method for two-phase flow velocity
A measurement method, dual-modal technology, applied in fluid velocity measurement, average velocity measurement, velocity/acceleration/impact measurement, etc., can solve the problem of large influence on test accuracy, and achieve convenient measurement, low cost, accurate measurement Effect
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[0025] The calculation method of the present invention will be described in detail below with reference to the accompanying drawings.
[0026] figure 1It is a schematic diagram of the ultrasonic Doppler measurement space in the measurement method of the present invention. The ultrasonic Doppler probe used in the patent of the present invention includes an ultrasonic transmitting probe 3a and an ultrasonic receiving probe 3b. The ultrasonic Doppler probes 3a, 3b and the pipeline 1 are installed at an angle θ, so that the ultrasonic test channel is connected to the two-phase flow 2 The incoming flow direction 0 maintains the included angle θ. The ultrasonic probe 3a is installed on the top of the pipeline, and the ultrasonic probe 3b is installed on the bottom of the pipeline, and it is ensured that the ultrasonic probes 3a, 3b and the center of the pipeline are in the same longitudinal section. The excitation probe 3a emits ultrasonic waves, the sound waves propagate in the t...
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