Correction of flow rate of orifice steam gas flow meter

Abstract: The calibration information of the flow rate of the orifice steam gas flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. 1. The purpose of the experiment 1 . Master the method of flow coefficient correction of flowmeter; 2. Learn how the flow coefficient relates to its influencing factors. 2. Experimental principle In engineering, the velocity and flow of the fluid are determined by measuring the differential pressure of the fluid. Mathematical modulus of orifice steam gas flowmeter. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the flow correction article of the orifice steam gas flowmeter. 1. The purpose of the experiment 1 . Master the method of flow coefficient correction of flowmeter; 2. Learn how the flow coefficient relates to its influencing factors. 2. Experimental principle In engineering, the velocity and flow of the fluid are determined by measuring the pressure difference of the fluid. The mathematical model of the orifice steam gas flowmeter is: the orifice steam flowmeter is based on the energy conversion relationship of the fluid during the flow process, and the flow rate of the fluid flowing through the pipe section is determined by the change of the pressure difference before and after the fluid passes through the orifice plate. Since the area at 2-2 (constriction) is difficult to determine, the orifice velocity u0 is used instead of u2 in engineering, there is a resistance loss when the fluid passes through the orifice, and the position of the constrictor changed due to the flow condition makes the measured (P1- P2)/ρIt brings deviations, so the calculation formula of C0, flowmeter is determined through experiments: the disadvantage of the orifice steam flowmeter is that the resistance loss is large, and this loss can be measured by the U-shaped differential pressure gauge. 3. Experimental equipment and process 1. Water tank 2. Diversion valve 3. Regulating valve 4. Turbine flowmeter 5. 6. U-shaped differential pressure gauge for measuring the pressure drop before and after the orifice plate. 7. U-shaped differential pressure gauge for measuring resistance loss. Orifice steam flowmeter 8. Main parameters of centrifugal pump: Pipe diameter: 27mm; Orifice diameter: 18mm 4. Experimental steps 1. Fill the water tank to 80% 2. Open the balance valve on the differential pressure gauge and close each air release valve. 3. Start the circulating water pump. 4. Exhaust: (1) Exhaust the pipeline; (2) Exhaust the pressure measuring conduit; (3) Close the balance valve, slowly rotate the air release valve on the differential pressure gauge, and remove the air bubbles on the differential pressure gauge. Note: exhaust first The low pressure pipe is behind the pressure inlet pipe. 5. Take the differential pressure gauge zero reading. 6. Open the regulating valve to the maximum, determine the flow range, determine the experimental point, and measure the pressure drop before and after the orifice plate and the pressure drop caused by the orifice plate. 7. Determination of readings: Change the flow in the pipeline, read a series of flow, differential pressure. 8. The experimental device was restored to its original state, the balance valve on the differential pressure gauge was opened, and the site was cleaned. 5. Experiment record serial number flow orifice pressure drop resistance loss (L/S) left reading right reading left reading right reading 6. Experimental report 1. Data sorting serial number flow rate u1Red=du1ρ/μPump C0* loss ξ2. In this experiment, for a specific orifice plate m is a constant, the above formula can be written as. The obtained experimental data set is drawn on the semi-logarithmic coordinate C0~Red curve graph, so as to determine the pore flow coefficient C0 of the orifice plate and the measurement range of the orifice plate in the project. This article comes from: steam flowmeter The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Calibration of Orifice Steam Gas Flow Meter Flow Rate'

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