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- W3108486547 abstract "The existing test equipment for safety valve with low-flow start and overflow closure characteristics of hydraulic support cannot provide the test conditions stipulated in relevant standards, which affects the accuracy of test results. Aiming at the shortage of the existing test equipment, a test system of high pressure and low flow rate of safety valve with hydraulic support is designed, and a technical solution of using straight line driver to push the plunger cylinder to realize high pressure and low flow rate of liquid supply is put forward. The simulation software AMESim was used to construct the virtual prototype of the test system, and the simulation analysis was carried out to determine the main parameters and the influencing rules of the rigidity of the liquid supply velocity. Based on the simulation study, prototype trial production, flow calibration and field experiment were completed. The experimental results showed that the instantaneous output flow fluctuation of the test system was within the range of ±10% of the rated value of 40ml/min, and the output flow fluctuation range was reduced by 25% compared with the existing way." @default.
- W3108486547 created "2020-12-07" @default.
- W3108486547 creator A5050852196 @default.
- W3108486547 date "2020-12-01" @default.
- W3108486547 modified "2023-10-18" @default.
- W3108486547 title "Development of High Pressure and Constant Low Flow Test System for Hydraulic Support Safety Valve" @default.
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- W3108486547 doi "https://doi.org/10.1088/1755-1315/610/1/012014" @default.
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