How steam flow meter works

Abstract: The working principle information of steam flow meter is provided to you by excellent flow meter and flow meter manufacturers. Working principle of steam flowmeter There are currently two types of steam flowmeters used in the domestic market. One is electronic and the other is mechanical. Mechanical products are obsolete products with poor accuracy and low temperature resistance. Just to explain it to everyone. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the article on the working principle of steam flowmeters. Working principle of steam flowmeter There are currently two types of steam flowmeters used in the domestic market. One is electronic and the other is mechanical. Mechanical products are obsolete products with poor accuracy and low temperature resistance. Just to explain to you, the working principle of AK-LUGB intelligent steam flowmeter, if a bluff vortex generator (bluff body) is set in the fluid, two regular vortexes will be generated alternately from both sides of the vortex generator. This kind of vortex is called Karman vortex, as shown in Figure (1). Figure (1) Alternating and regular vortex columns are formed downstream of the vortex generator. Suppose the frequency of vortex generation is f, the average velocity of incoming flow of the measured medium is V, and the width of the vortex generating body is d. According to the principle of Karman vortex street, there is the following relationship: f=StV/d Formula (1) In the formula: f- the frequency of the Karman vortex generated on the side of the generating body HZ St- Strouhal number (dimensionless number) V- the average flow velocity of the fluid (m/s) d- The width of the vortex generating body (m) is given by It can be seen that the instantaneous flow rate can be calculated by measuring the Kalman vortex separation frequency. Among them, the Strouhal number (St) is a dimensionless unknown, and Figure (2) shows the relationship between the Strouhal number (St) and the Reynolds number (Re). Figure (2) In the straight part of the curve table with St=0.17, the release frequency of the vortex is proportional to the flow velocity, which is the measurement range of the vortex flow sensor. As long as the frequency f is detected, the flow velocity of the fluid in the pipe can be obtained, and the volume flow rate can be obtained from the flow velocity V. The ratio of the measured pulse number to the volume is called the instrument constant (K), see formula (2) K=3600f/Q (1/m³) In formula (2): K = instrument constant (m-3). f = number of pulses Q = volume flow (m³) So it seems that everyone knows the working principle of this steam flowmeter. In the process of purchasing in the future, we can better help you choose the model. The steam flowmeter AK-LUGB is of excellent quality and high precision. Won the reputation of market consumers. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'The working principle of steam flow meter'

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