The fundamental difference between precession vortex flowmeter and vortex flowmeter

Abstract: The fundamental difference between precession vortex flowmeter and vortex flowmeter is provided by excellent flowmeter and flowmeter manufacturers. First of all, although these two flowmeters are flowmeters using the principle of fluid oscillation, they use two completely different working principles. Vortex flowmeters are flowmeters that use the Karman vortex principle: when a fluid passes through a columnar object, it will flow there. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the fundamental difference between the precession vortex flowmeter and the vortex flowmeter. First of all, although these two flowmeters are flowmeters using the principle of fluid oscillation, they use two completely different working principles. Vortex flowmeter is a flowmeter using the Karman vortex principle: when the fluid passes through a cylindrical object, vortices will be generated on both sides of the object facing away from the fluid. When a vortex occurs on one side, it will suppress the vortex on the other side. When the vortex on one side develops to a certain extent, it will break away from the columnar object and go with the fluid and generate a new vortex in situ. At the same time, the vortex on the other side will occur due to the loss of repression, and the new vortex will be suppressed. The above process is on both sides of the columnar object. Alternately occurs, the frequency of occurrence is related to the flow rate of the fluid, and the flow rate can be obtained by detecting this frequency, and then the flow rate value can be obtained. This phenomenon is also known as a vortex street because the alternately released vortices line up in the fluid behind like objects on either side of the road. Flowmeters that work according to this principle are called vortex flowmeters or Kalman vortex flowmeters. The precession vortex flowmeter is a flowmeter using the precession vortex principle: a set of twisted blades is set in the pipeline to form a vortex generator, so that the fluid will rotate when passing through, and a vortex will be formed near the centerline of the pipeline. Rotate around the center line of the pipe, and expand the radius of rotation while advancing with the fluid, so that the center of the vortex has a precession motion similar to a conical helix. At this time, for a point on the pipe wall behind the vortex generator, the velocity of the fluid flowing through will undergo a periodic change, and its frequency is related to the flow velocity of the fluid. The flow velocity can be obtained by detecting this frequency, and then the flow rate can be obtained value. The flowmeter that works according to this principle is called a vortex flowmeter or a precession type vortex flowmeter. A vortex flowmeter generally refers to a vortex flowmeter. Gas, vapor and liquid media can be measured. It is a flowmeter that utilizes the principle of Karman vortex street. The main structure includes a circular measuring tube body, a vortex generator (triangular, cylindrical, etc.), a sensing head, and a temperature and pressure component. Precession vortex flowmeter is a kind of flowmeter specially designed to measure gas. The main structure includes the Venturi measuring tube body, the front spinner, the rear rectifier, the sensing head, and the temperature and pressure components. The above information is provided by Jinhu Dahua Automation Instrument, I hope it will be helpful to you. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'The fundamental difference between precession vortex flowmeter and vortex flowmeter'

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