Electromagnetic flow meter scale magnetic field simulation research

Abstract: the electromagnetic flow meter scale magnetic field simulation research information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. In recent years, the internal magnetic field division of electromagnetic flowmeter has the attention of the researchers. In this paper, the finite element software ansys in this kind of electromagnetic flowmeter internal magnetic field sensitive field modeling simulation, and under this model, the increase in the electromagnetic flow meter. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flowmeter scale magnetic field simulation research article details. In recent years, the internal magnetic field division of electromagnetic flowmeter has the attention of the researchers. In this paper, the finite element software ansys in this kind of electromagnetic flowmeter internal magnetic field sensitive field modeling simulation, and under this model, the increase in the electromagnetic flow meter part of the permeability of different granular material, the internal magnetic field distribution of electromagnetic flowmeter. Structure and magnetic field distribution simulation 1 meter collector type electromagnetic flowmeter is widely used in oil well measurement, the flowmeter shell has launched two poles and two embedded in the receiving electrode. Because there are umbrella in the electromagnetic sensor installed at the bottom of the current collector, after the flow meter is located in the specified measuring point, the current collector open, to seal fluid flow passage between the casing and the logging instrument to force all or most of the fluid flows through the electromagnetic sensor measurement area, and the mouth on the liquid flow back in wellbore, downhole flow meter section structure as shown in figure 1 ( 一) Shown below. Figure 1 electromagnetic flowmeter structure schematic collector type electromagnetic flowmeter ANSYS simulation model as shown in figure 1 ( b） Shown below. Diagram, internal horizontal electromagnetic flowmeter has two poles, vertical direction have two electrodes; Magnetic pole by the magnetic core and coil of two parts, that is, both on the outside of each pole of the magnetic core wrapped a layer of coil, used to produce alternating magnetic field. The length of the simulation, the sensor magnetic pole core is 8 mm, width is 4 mm, material to guide magnetic iron core; Core of outer package coil thickness to 1 mm, materials for copper wire; Electrode length and the width is 4 mm, material is stainless steel. Solenoid coil current loaded, magnetic pole on the left lateral for S pole, medial to the N pole; On the right side of the pole outside as the N pole, the inside for the S pole. Adopt magsolv orders outside of the electromagnetic flowmeter static magnetic field distribution problem solving, get the magnetic induction intensity B and 2 d magnetic flux line distribution, respectively, as shown in figure 2 ( 一) And ( b） Shown below. It can be seen that in the sensor pipe magnetic field distribution is more even, the surface area near the poles the lines of magnetic force, said that the part of the measuring sensitivity is higher. In order to more clearly understand the internal magnetic field distribution of flowmeter, electromagnetic flowmeter measurement area of the magnetic induction intensity distribution field, as shown in figure 3, from the simulation of magnetic induction distribution can clearly get the size of the magnetic induction intensity of each part. 2 pipes containing magnetic materials simulation to investigate the distribution of magnetic field electromagnetic flowmeter fluid containing magnetic materials, magnetic field distribution of electromagnetic flowmeter and the effect of model of ANSYS simulation model as shown in figure 4. Diagram, set in the area of the sensor pipe measuring magnetic sphere diameter, and set up relative magnetic permeability of magnetic spheres are as follows: & mu; = 10. To coil the load excitation current, and USES the esize command to grid subdivision of ANSYS model, adopting magsolv command of the electromagnetic flowmeter with magnetic materials is static magnetic field distribution problem solving, obtained the distribution of magnetic induction intensity B and 2 d magnetic flux line distribution, as shown in figure 5, 一) And ( b） Shown below. As can be seen from the figure 5, magnetic material flows through the sensor tube measurement area, near the magnetic field of magnetic materials, and thus the overall distribution characteristics of measuring magnetic field. That is to say, the fluid in the magnetic material will also affect collector type electromagnetic flowmeter measurement. The numerical simulation result shows that the distribution as shown in figure 6, can be seen from the simulation results, the fluid contained in the magnetic material, this part of the magnetic induction intensity is increased, is the influence of the magnetic induction intensity distribution of whole space. 3 conclusion collector type electromagnetic flowmeter with a special structure has wide application in oil and gas Wells measurement, in this paper, the special structure of the flow meter to establish simulation model, by using the method of finite element to set current electromagnetic flowmeter measurement carried out computer simulation of magnetic field, and for using finite element method (fem) simulation of magnetic field in the simulation method of electromagnetic flowmeter measurement and its structural optimization to lay a certain foundation. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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