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The Flange-connected Temperature And Pressure Integrated Vortex Flowmeter

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The Flange-connected Temperature And Pressure Integrated Vortex Flowmeter

The flange-connected temperature and pressure integrated vortex flowmeter integrates temperature and pressure compensation into the vortex flowmeter, automatically detecting the temperature and pressure of the medium in the pipeline
This calculation method ensures a more precise display of flow rate. It can display the instantaneous and cumulative mass flow rate of the medium, as well as the temperature and pressure of the medium
Body, general gas, saturated steam, superheated steam, etc.

Feature
• High measurement accuracy and wide measurement range;
• Wide range of measurement media, capable of measuring liquids, gases, and steam;
• High operating temperature, with the medium temperature reaching up to 330℃;
• No moving parts, no wear, high reliability;
• The body of the table is made of stainless steel, which is corrosion-resistant.

Working Principle
When the fluid medium in the pipeline passes through the vortex generator (triangular prism), a vortex phenomenon occurs due to the acceleration of local flow velocity. This vortex is divided into two columns that appear alternately
It is known as the Karman vortex street.
The release frequency of the Karman vortex street is related to the width of the triangular cylinder and the flow velocity of the fluid, but not to the temperature, pressure, and other characteristic parameters of the medium
f=StV/d ……………………(1)
In the formula: f – release frequency of Karman vortex street
St—Strouhal number
V – medium flow velocity
d – width of triangular column
The Strouhal number is an important parameter of vortex flowmeters, which is only related to the Reynolds number Re of the medium. As long as the Reynolds number of the medium in the pipeline remains at 2×10^4
Within the system, the Strouhal number St remains constant. In this way, the flow velocity of the fluid medium can be detected by measuring the vortex frequency signal, and then by analyzing the medium’s
Quality traffic.