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Abstract:
Axial-flow regulator is an important device to secure the pipeline gas delivery, Although the device has the advantages of large flow and compact structure, high gas flow rate would produce strong erosion to spool and internal component in high pressure difference, In order to improve the performance of the regulator, its main valve structure is optimized , designed a new type of gas regulator which combine labyrinth regulator and piston regulator, it has compact structure and large flow and multistage decompression advantage. Modeling whole structure use 3D software, numerical simulation of the structure based on CFX and get the visualization of the flow field, the result show that pressure distribution is more uniform in this design, this equipment can work in high diffident pressure and performance is further improved. It's effect obvious and can meet the expected target.
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