
Hydraulic fluid power - Determination of pressure ripple levels generated in systems and components Part 3: Method for motors
出版:International Organization for Standardization

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This part of ISO 10767 specifies a procedure for the determination of a rating of the source flow ripple, source impedance and pressure ripple levels generated by positive-displacement hydraulic motors, including bi-directional motors. Ratings are obtained as the following:a) the source flow ripple amplitude, in cubic metres per second, over ten individual harmonics of motoring frequency;b) the source impedance amplitude, in newton seconds per metre to the power of five [(N×s)/m5], and phase, in degrees, over ten individual harmonics of motoring frequency;c) the anechoic pressure ripple amplitude, in pascals, over ten harmonics of motoring frequency; d) the overall root mean square (r.m.s.) anechoic pressure ripple, in pascals; e) the blocked acoustic pressure ripple amplitude, in pascals, over ten harmonics of motoring frequency; f) the overall root mean square (r.m.s.) blocked acoustic pressure ripple, in pascals.This part of ISO 10767 is applicable to all types of positive-displacement motor operating under steady-state conditions, irrespective of size, provided that the motoring frequency is in the range from 50 Hz to 400 Hz.
KS B ISO 10767-3:2013 - Identical
KS B ISO 10767-3:2002 - Identical
SS ISO 10767-3 Ed. 1 (2000) - Identical
BS ISO 10767-3:1999 - Identical
NF ISO 10767-3:2001 - Identical