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Hydraulic and Mechanical Factors Affecting Pump Airborne Noise Measurements
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English
Abstract
Satisfactory control of fluid power system noise is dependent upon accurate knowledge of component noise levels. One component which contributes to the total system noise level is the hydraulic pump. There are test methods available for measuring and reporting airborne pump noise. However, these test methods need to be carefully examined to insure that proper constraints are placed on the various hydraulic and mechanical factors which affect the accurate measurement of pump airborne noise.
This paper describes the major hydraulic and mechanical factors that affect the measurement of pump airborne noise. Experimental data are presented to illustrate the variation that can result due to such factors as the pump mount, fluid lines, and the drive shaft. Techniques for reducing the variation due to these factors are presented for the reader's consideration.
Authors
Citation
Maroney, G. and Elliott, L., "Hydraulic and Mechanical Factors Affecting Pump Airborne Noise Measurements," SAE Technical Paper 730874, 1973, https://doi.org/10.4271/730874.Also In
References
- “Method of Measuring Sound Generated by Hydraulic Fluid Power Pumps.” NFPA Recommended Standard T3. 9.70.12 National Fluid Power Association, Inc. Thiensville, Wisconsin April 19 1970
- “Method of Measuring Sound Generated by Hydraulic Fluid Power Motors.” NFPA Recommended Standard T3.9.14-1971 National Fluid Power Association, Inc. Thiensville, Wisconsin May 9 1971
- Document No.: ISO/TC 131/SC 8 (UIC-3) 16; ISO/TC 131/SC 2 (UK-1) November 1971 International Organization for Standardization
- Document No.: ISO/TC 131/SC 8 (Japan-2) 24 January 1972 International Organization for Standardization
- Document No.: ISO/TC 131/SC 8 (Netherlands-2) 23 January 1972 International Organization for Standardization
- “Test Code for Measuring and Reporting Airborne Noise Emitted by Hydraulic Fluid Power Pumps.” Tri-Level Conference August 1972 National Fluid Power Association, Inc. Thiensville, Wisconsin
- Maroney G. E. Elliott L. R. “An Experimental Study of the Effects of a Hydraulic Accumulator on High Frequency Fluid Pulsations and System Noise Level.” Section 72-AV, Annual Report No. 6, Basic Fluid Power Research Program Fluid Power Research Center Stillwater, Oklahoma September 1972
- Schuder C. B. “Control Valve Noise-Prediction and Abatement.” Proceedings of Purdue Noise Control Conference July 1971 89 93