New Hydraulic High-Pressure Impulse Generator for Long-Duration Impulse Tests

New Hydraulic High-Pressure Impulse Generator for Long-Duration Impulse Tests

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Water hammer wave is widely applied to test hydraulic components in various areas.A new hydraulic high-pressure impulse generator is presented in this paper in order to provide the standard water hammer wave for long-term usage.A combination of a sleeve and a rotary spool was used to build the impulse generator, and a booster piston was applied click here to amplify the output pressure.

Mathematical models were established using commercial software, here and a prototype and a test rig were built based on the simulation results.The experimental results for both single wave and repeated periods show the feasibility of the new design and indicate that the new hydraulic high-pressure impulse generator can be used for long-time impulse tests.