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An Acoustical Performance Appraisal Technique for Fluid Power Pumps
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English
Abstract
Recent noise legislation has forced designers to evaluate carefully the acoustical characteristics of each system component in order to keep total machine sound levels within acceptable limits. Fluid power pumps represent one of the principle sources of noise which need to be acoustically evaluated prior to installation on a machine. The airborne sound power level of a fluid power pump can be appraised in several ways.
This paper presents an engineering method for appraising the sound power output of fluid power pumps. The appraisal technique, based on a minimum number of tests, provides an engineering method for predicting a pump's sound level as a function of speed and pressure, and also allows reproducible rank ordering of components for accurate engineering discrimination.
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Citation
Maroney, G. and Elliott, L., "An Acoustical Performance Appraisal Technique for Fluid Power Pumps," SAE Technical Paper 740436, 1974, https://doi.org/10.4271/740436.Also In
References
- “Hydraulic System Noise Study (U),” Section III. Annual Report No. FPRC-2M3 prepared for the U.S. Army Mobility Equipment Research and Development Center Ft. Belvoir, Va. November 1973
- “Method for Measuring Sound Generated by Hydraulic Fluid Power Pumps.” NFPA Recommended Standard T3.9.70.12 April 1970
- “Acoustics,” Section 72-AV. Fluid Power Research Center Annual Report No. 6 September 1972
- David Dale S. “Nomography and Empirical Equations.” New York Reinhold Publishing Corp. 1962
- Elliott L. R. Maroney G. E. Fitch E. C. “An Experimental Survey of Fluid Power Pump Sound Levels.” Paper P73-AV-2 presented at Seventh Annual Fluid Power Research Conference Stillwater, Okla. 1973