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SAE J2747 PDF
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Hydraulic Pump Airborne Noise Bench Test (Stabilized: Sep 2019)
standard by SAE International, 09/13/2019
SAE J2747 – Hydraulic Pump Airborne Noise Bench Test (Stabilized: Sep 2019)
Communicate the process of accurately measuring sound power levels of positive displacement hydraulic pumps commonly used in ground vehicle steering systems.This recommended practice defines the pump mounting (pulley, belt tension, isolation), operating conditions, (fluids, speed, temperature, pressure), room accoustics, instrumentation, noise measurement technique and data acquisition setup to be used.Included are recommendations for test sample size, and format for data presentation/reporting.
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