Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components - Method for determining source flow ripple and source impedance of pumps LONG_TITLE this electronic document-based information is

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Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components - Method for determining source flow ripple and source impedance of pumps LONG_TITLE this electronic document-based information is1 Scope This part of ISO 10767 establishes a test procedure for measuring the source flow ripple and source impedance of positive displacement hydraulic pumps. It is applicable to all types of positive displacement pumps operating under steady state conditions, irrespective of size, provided that the pumping frequency is in the range from 50 Hz to 400Hz. Source flow ripple causes fluid borne vibration (pressure ripple) and then airborne noise from