Abstract
In order to control the running speed of the detector in the gas pipeline, the flow field calculation method of the detector in the gas pipeline under the discharge state is studied. Based on the operating principle of the detector in the gas pipeline, the model of the discharge hole of the detector is constructed by using the standard orifice flowmeter. Based on computational fluid dynamics theory, the application of computational fluid dynamics software ICEM CFD and provided ANSYS CFX to generate flow field model and a numerical simulation was carried out, with fluid flowing through the discharge of the flow field simulation, the discharge state of gas pipeline detector in flow field, achieved under different aperture of gas flowing through the standard orifice plate before and after the pressure field, velocity field of numerical analysis. The results show that using the standard hole as the detector model in the gas pipeline under the discharge state has certain guidance, and it is of certain significance to further study the velocity control problem of the detector in the gas pipeline.
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