Thermal type vortex shedding flow metering device, flowmeter and flow measurement method of vortex shedding flow metering device
A vortex flow, metering device technology, applied in the measurement flow/mass flow, measurement device, liquid/fluid solid measurement and other directions, can solve the problems of high requirements, lack of installation conditions, affecting the measurement accuracy of the flowmeter, etc Accurate measurement results, sensitive to thermal energy changes, and improved accuracy
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[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] figure 1 It is a schematic cross-sectional structure diagram of a thermal vortex flow metering device. The vortex flowmeter in this embodiment includes the above-mentioned flowmeter body and the thermal vortex flow metering device. figure 1 The direction of the middle arrow is the direction of fluid flow. The small flow fluid flows into the measuring pipeline 1 from the upstream inlet of the measuring pipeline 1 of the flowmeter. In the middle of the measuring pipeline 1, there is a vortex generator 2 that makes the airflow generate a regular staggered vortex street. The vortex generating body 2 is a cylindrical vortex generating body 2 , the cross section of the vortex generating body 2 is triangular or trapezoidal, and the vortex generating body 2 is arranged on the diameter line of the circular cross section of the measuring pipeline 1 . The fluid with a s...
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