Method for measuring multiphase flow based on multi-section impedance type long-waist inner core and related speed measurement
A measurement method and impedance technology, applied in the measurement field that integrates the differential pressure measurement principle and the electrical measurement principle, which can solve the problems of pulsation in the pressure signal, error in calculation results, real-time performance of tomography technology, measurement accuracy and image quality. To meet the requirements of industrial applications and other issues, to achieve the effect of extending the scope of application, repeatability and accuracy improvement
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[0048] The following detailed description of the steps of manufacturing and operating the present invention is intended to be described as an embodiment of the present invention. It is not the only form that can be manufactured or utilized. Other embodiments that can achieve the same function should also be included in the scope of the present invention. .
[0049] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings of the specification.
[0050] Reference attachment Figure 1-4 , The measuring device used in the present invention is a pipe 1 with flanges 2 at both ends, a conical throttle 7, and three pressure holes: upstream pressure hole 3, middle pressure hole 4, downstream pressure hole 5 , Two transmitters: systolic pressure drop differential pressure transmitter 24, permanent pressure loss differential pressure transmitter 25, installed in the annular circulation space 12 corresponding to the pipe 1...
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