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Machinery Noise Measurement
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Book Synopsis Machinery Noise Measurement by : S. J. Yang
Download or read book Machinery Noise Measurement written by S. J. Yang and published by Oxford University Press, USA. This book was released on 1985 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed for engineers with little or no training in noise measurement, this practical handbook provides a thorough grounding in machinery acoustics, techniques crucial for the design of today's quieter machines. After a discussion of fundamental acoustic terminology; the authors describe various methods for machinery sound power measurement in free field, in semi-reverberant space, and in a reverberant room. Other sections consider noise measurement on nominally identical small machines, sound intensity measurement, and the new analogue and digital noise measuring equipment. In an era of growing noise pollution, this book will be very useful to acoustic engineers and equipment designers responsible for producing quieter machines.
Book Synopsis Federal Machinery Noise Research Development and Demonstration Programs: FY73 -FY75 by : Interagency Machinery Noise Research Panel
Download or read book Federal Machinery Noise Research Development and Demonstration Programs: FY73 -FY75 written by Interagency Machinery Noise Research Panel and published by . This book was released on 1975 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustics--Measurement of Noise Emitted By Earthmoving Machinery At the OperatorS Position--Simulated Work Cycle Test Conditions by : SLTC - Earth Moving Machinery Sound Level
Download or read book Acoustics--Measurement of Noise Emitted By Earthmoving Machinery At the OperatorS Position--Simulated Work Cycle Test Conditions written by SLTC - Earth Moving Machinery Sound Level and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard describes a method for determining the noise emitted by earthmoving machinery at the operator's position in terms of the equivalent continuous A-weighted sound pressure level while the machine is carrying out a simulated work cycle. This SAE standard is a special test code for specific types of earthmoving machinery. It is an extension of ISO 6081 which contains the general requirements for many types of machinery and equipment. A simulated rather than an actual work cycle test condition is chosen. Simulated work cycles provide acceptable noise emission data which are repeatable and representative. Actual work cycle tests are complex and repeatability can be a problem. Specific procedures are described in this document to enable the sound pressure level at the operator's position,with the machine in a simulated work cycle test condition, to be determined in a manner which is repeatable. Attachments (bucket, dozer, etc.) for the manufacturer's production version are to be fitted since this is the configuration most likely to exist when the machine is in actual use. This document enables compliance with noise limits to be determined. It can also be used for evaluation purposes in noise reduction investigations. An additional special test code is given in SAE J2104/ISO 6395. This other special test code is intended to be used to determine the noise emitted by earthmovign machinery in terms fo the A-weighted sound power level while the machine is in a simulated work cycle test condition. Corresponding measurements of exterior noise and noise at the operator's position under stationary test conditions are described in SAE J2102/ISO 6393 and ISO J2103/ISO 6394, respectively.
Book Synopsis Highway Construction Noise by : Jerry A. Reagan
Download or read book Highway Construction Noise written by Jerry A. Reagan and published by . This book was released on 1977 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Standards on Noise Measurements, Rating Schemes, and Definitions by : Thomas L. Quindry
Download or read book Standards on Noise Measurements, Rating Schemes, and Definitions written by Thomas L. Quindry and published by . This book was released on 1976 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise Emission Measurements for Regulatory Purposes by : United States. National Bureau of Standards
Download or read book Noise Emission Measurements for Regulatory Purposes written by United States. National Bureau of Standards and published by . This book was released on 1977 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Machinery Noise and Diagnostics by : Richard H Lyon
Download or read book Machinery Noise and Diagnostics written by Richard H Lyon and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approx.312 pages
Book Synopsis Acoustics-Measurement of Airborne Noise Emitted By Construction Equipment Intended for Outdoor Use-Method for Determining Compliance With Noise Limits by : SLTC - Earth Moving Machinery Sound Level
Download or read book Acoustics-Measurement of Airborne Noise Emitted By Construction Equipment Intended for Outdoor Use-Method for Determining Compliance With Noise Limits written by SLTC - Earth Moving Machinery Sound Level and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard describes a method for measuring the weighted sound pressure levels at prescribed microphone positions in the proximity of a device or machine for outdoor use, in order to determine compliance with noise limits. The A-weighted sound power level of the source is calculated from the measured values. NOTES:1. When nine or more microphone positions are prescribed in the proximity of the source (as in Section 7), the A-weighted sound power levels determined in accordance with this document tend to result in standard deviations less than approximately 2 dB, provided that the spectrum does not contain pronounced discrete frequencies; if it does, the magnitude of the uncertainties will be larger and no general rules for the magnitude of the uncertainties can be given. These standard deviations reflect the cumulative effects of all causes of measurement uncertainty, excluding variations in the sound power level from machine to machine or from test to test, which may be caused, for example, by changes in the mounting or operating conditions of the source. 2. For measurements made using a hemispherical measurement suface, the directivity index of the source may be calculated according to the description of appendix B. 3. Measurement of A-weighted sound pressure levels at the operator's postion(s) is not described in this document. 4. The results of noise measurements made according to this document are obtained under prescribed conditions and iwll not necessarily correspond to the noise experienced from the equipment when it is in operation on a construction site.
Book Synopsis Foreign Noise Research in Machinery and Construction Equipment by :
Download or read book Foreign Noise Research in Machinery and Construction Equipment written by and published by . This book was released on 1977 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Aspects of Noise and Hearing Loss by : Great Britain. Health and Safety Commission
Download or read book Some Aspects of Noise and Hearing Loss written by Great Britain. Health and Safety Commission and published by . This book was released on 1981 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Federal Interagency Machinery and Construction Noise Research Panel Publisher : ISBN 13 : Total Pages :194 pages Book Rating :4.:/5 (318 download)
Book Synopsis Federal Research, Development, and Demonstration Programs in Machinery and Construction Noise by : United States. Federal Interagency Machinery and Construction Noise Research Panel
Download or read book Federal Research, Development, and Demonstration Programs in Machinery and Construction Noise written by United States. Federal Interagency Machinery and Construction Noise Research Panel and published by . This book was released on 1978 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Noise Measurements by : J. R. Hassall
Download or read book Acoustic Noise Measurements written by J. R. Hassall and published by . This book was released on 1979 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measuring Noise from a Continuous Mining Machine by : R. C. Bartholomae
Download or read book Measuring Noise from a Continuous Mining Machine written by R. C. Bartholomae and published by . This book was released on 1983 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise generated by continuous mining machines in underground coal production is an important health hazard. Bureau of Mines Contract J0387229 covers investigation of this noise through laboratory tests of simulated cutting operations and through in-mine noise measurements. The results of these investigations indicate that coal cutting noise and conveyor noise are dominant sources of mining machine operational noise. Typical noise levels for both cutting and conveying operations are approximately 97 dBA (decibels A-weighted). For full operation of all machine systems, the overall sound pressure level is approximately 101 dBA. In-mine and laboratory test results show excellent agreement in both A-weighted overall levels as well as in A-weighted one-third-octave band spectra.
Book Synopsis Acoustics--Measurement of Exterior Noise Emitted By Earthmoving Machinery--Dynamic Test Conditions by : SLTC - Earth Moving Machinery Sound Level
Download or read book Acoustics--Measurement of Exterior Noise Emitted By Earthmoving Machinery--Dynamic Test Conditions written by SLTC - Earth Moving Machinery Sound Level and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard describes a method for determining the noise emitted to the environment by earthmoving machinery in terms of the A-weighted sound power level while the machine is working under dynamic test conditions. This SAE Standard is special test code for specific types of earthmoving machinery. It is an extension of SAE J2101/ISO 4872, which contains the general requirements for construction equipment. A simulated dynamic rath than an actual work cycle test condition is chosen. Dynamic test conditions provide acceptable noise emission data, which are repeatable and representative. Actual work cycle tests are complex and repeatability can be a problem Specific procedures are described in this document to enable the sound power emission in dynamic test conditions to be determined in a manner that is repeatable. Attachments (bucket, dozer, etc.) for the manufacturer's production version are to be fitted since this is the configuration most likely to exist when the machine is in actual use. This document enables compliance with noise limits to be determined. It can also be used for evaluation purposes in noise reduction investigation. An additional special test code is given in SAE J2105/ISO 6396.2. This other special test code is intended to be used to determine the noise emitted by earthmoving machiner, with the machine in dynamic test conditions, measured at the operator's position in terms of the equivalent continuous A-weighted sound pressure level. Corresponding measurements of noise emitted to the environment and noise at the operator's position under stationary test conditions are described in SAE J2102/ISO 6393 and SAE J2103/ISO 6394, respectively.
Book Synopsis Standards on Noise Measurements, Rating Schemes, and Definitions by : Thomas L. Quindry
Download or read book Standards on Noise Measurements, Rating Schemes, and Definitions written by Thomas L. Quindry and published by . This book was released on 1976 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise from Construction Equipment and Operations, Building Equipment, and Home Appliances by : Bolt, Beranek, and Newman
Download or read book Noise from Construction Equipment and Operations, Building Equipment, and Home Appliances written by Bolt, Beranek, and Newman and published by . This book was released on 1972 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise Control for Hydraulic Machinery by : Stan Skaistis
Download or read book Noise Control for Hydraulic Machinery written by Stan Skaistis and published by CRC Press. This book was released on 2020-08-26 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on hydraulic components and machines, and illustrates how a machine's noise-radiating surfaces affect noise. It reviews the basics and terminology of sound, vibration, vibration isolation, fluid pulsations, Fourier analysis, cavitation, hydraulic shock, and enclosure design.
