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Measurement Of Noise Emitted By Vehicles
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Book Synopsis MEASUREMENT OF NOISE EMITTED BY ACCELERATING HIGHWAY VEHICLES by : Light Vehicle Exterior Sound Level Standards Committee
Download or read book MEASUREMENT OF NOISE EMITTED BY ACCELERATING HIGHWAY VEHICLES written by Light Vehicle Exterior Sound Level Standards Committee and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Recommended Practice is equivalent to ISO Standard 3621981 except for the differences detailed in the Appendix, and includes the modifications adopted by WP29 in ECE R51.This SAE Recommended Practice specifies an engineering method for measuring the noise emitted by accelerating highway vehicles of all types (except motorcycles) in intermediate gears with full utilization of the available engine power.The method is designed to meet the requirements of simplicity and reproducibility of results under realistic vehicle operating conditions.Measurements relate to operating conditions of the vehicle which give the highest noise level consistent with urban driving and which lead to reproducible noise emissions. Therefore, an acceleration test at full throttle from a stated engine or vehicle speed is specified.The test method calls for an acoustical environment which can only be obtained in an extensive open space.If measurements have to be carried out on the road in an acoustical environment which does not fulfill the requirements stated in this SAE Recommended Practice, it should be recognized that the results obtained may deviate appreciably from the results obtained using the specified conditions.The results obtained by this method give an objective measure of the noise emitted under the prescribed conditions of test. However, it is necessary to consider the fact that the subjective appraisal of the annoyance of different classes of motor vehicles is not simply related to the indications of a sound level meter.
Book Synopsis Measurement of Noise Emitted by Vehicles by : International Organization for Standardization
Download or read book Measurement of Noise Emitted by Vehicles written by International Organization for Standardization and published by . This book was released on 1964 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Noise Emitted by Accelerating Road Vehicles by : Light Vehicle Exterior Sound Level Standards Committee
Download or read book Measurement of Noise Emitted by Accelerating Road Vehicles written by Light Vehicle Exterior Sound Level Standards Committee and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard is equivalent to ISO 362-1:2015 and specifies an engineering method for measuring the noise emitted by road vehicles of categories M and N under typical urban traffic conditions. It excludes vehicles of category L1, L2, L3, L4, and L5.The specifications are intended to reproduce the level of noise generated by the principal noise sources during normal driving in urban traffic. The method is designed to meet the requirements of simplicity as far as they are consistent with reproducibility of results under the operating conditions of the vehicle.The test method requires an acoustical environment that is obtained only in an extensive open space. Such conditions are usually provided for during: -measurements of vehicles for regulatory certification and/or type approval -measurements at the manufacturing stage, and -measurements at official testing stationsNOTE 1: The results obtained by this method give an objective measure of the noise emitted under the specified conditions of test. It is necessary to consider the fact that the subjective appraisal of the noise annoyance of different classes of motor vehicles is not simply related to the indications of a sound measurement system. As annoyance is strongly related to personal human perception, physiological human conditions, culture, and environmental conditions there is a large variation and it is therefore not useful as a parameter to describe a specific vehicle condition.NOTE 2: Spot checks of vehicles chosen at random are rarely made in an ideal acoustical environment. If measurements are carried out on the road in an acoustical environment that does not fulfill the requirements stated in this document, the results obtained may deviate appreciably from the results obtained using the specified conditions. This procedure has been updated to align with modifications to the ISO 362-2015 standard.This Surface Vehicle Standard was developed to provide a method to measure the noise emission of road vehicles consistent with actual in-use urban vehicle noise emission. This document was further developed to provide a performance based and technology neutral test standard to reflect the development of engine and propulsion technologies that cannot be correctly tested under existing SAE Standards.
Book Synopsis The Measurement of Noise Emitted by Vehicles; the Repeatability of Measurements by : J. West
Download or read book The Measurement of Noise Emitted by Vehicles; the Repeatability of Measurements written by J. West and published by . This book was released on 1970 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GB 1495-2002 Translated English of Chinese Standard. (GB1495-2002) by : https://www.chinesestandard.net
Download or read book GB 1495-2002 Translated English of Chinese Standard. (GB1495-2002) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-09-14 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the limits for noise emitted by accelerating new produced motor vehicles. This Standard specifies the measurement methods for noise emitted by accelerating new produced motor vehicles. This Standard is applicable to Category-M and Category-N1 motor vehicles.
Book Synopsis Measurement of Minimum Noise Emitted by Road Vehicles by : Advanced Driver Assistance Systems (ADAS) Committee
Download or read book Measurement of Minimum Noise Emitted by Road Vehicles written by Advanced Driver Assistance Systems (ADAS) Committee and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard is derived from SAE J2805 and specifies an engineering method for measuring the sound emitted by M and N category road vehicles at standstill and low speed operating conditions.. The specifications reproduce the level of sound which is generated by the principal vehicle sound sources consistent with stationary and low speed vehicle operating conditions relevant for pedestrian safety. The method is designed to meet the requirements of simplicity as far as they are consistent with reproducibility of results under the operating conditions of the vehicle.The test method requires an acoustic environment which is only obtained in an extensive open space or in special designed indoor facilities replicating the conditions of an extensive open space. Such conditions usually exist during: Measurements of vehicles for regulatory certification. Measurements at the manufacturing stage. Measurements at official testing stations.The results obtained by this method give an objective measure of the sound emitted under the specified conditions of test. It is necessary to consider the fact that the subjective appraisal of the annoyance, perceptibility, and/or detectability of different motor vehicles or classes of motor vehicles due to their sound emission are not simply related to the indications of a sound measurement system. As annoyance, perceptibility, and/or detectability are strongly related to personal human perception, physiological human condition, culture, and environmental conditions, there are large variations and therefore these terms are not useful as parameters to describe a specific vehicle condition.Spot checks of vehicles chosen at random rarely occur in an ideal acoustic environment. If measurements are carried out on the road in an acoustic environment which does not fulfill the requirements stated in this SAE Standard, the results obtained may deviate appreciably from the results obtained using the specified conditions.In addition, this standard provides an engineering method to assess the performance of external sound generation systems intended for the purpose of providing acoustic information to pedestrians on a vehicle's operating condition. This information is reported as objective criteria related to the external sound generation system's sound pressure level, frequency content, and changes in sound pressure level and frequency content as a function of vehicle speed. As such, these measures can provide pedestrians with information on the location, speed, direction of travel, acceleration, and deceleration behavior of a vehicle. Annex A contains background information relevant in the development of this SAE Standard. Updated to correct equations in Table 2 as well as the correct modifier in Appendix A's Item #5.
Book Synopsis Measurement of Minimum Noise Emitted by Road Vehicles by : Safety and Human Factors Standards Steering Committee
Download or read book Measurement of Minimum Noise Emitted by Road Vehicles written by Safety and Human Factors Standards Steering Committee and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard is derived from SAE J2805 and specifies an engineering method for measuring the minimum noise emitted by road vehicles. The specifications reproduce the level of noise which is generated by the principal vehicle noise sources consistent with minimal noise emission in urban traffic. The method is designed to meet the requirements of simplicity as far as they are consistent with reproducibility of results under the operating conditions of the vehicle. The test method requires an acoustical environment which is only obtained in an extensive open space. Such conditions usually exist during: Measurements of vehicles for regulatory certification Measurements at the manufacturing stage Measurements at official testing stationsThis Surface Vehicle Standard provides a method to measure the minimum noise emission of road vehicles and external sound generation systems intended for the purpose to provide acoustic information to pedestrians. This standard provides a performance-based and technology neutral test procedure. This standard reflects the development of engine and propulsion technologies which have noise emission characteristics that cannot be correctly tested under existing SAE Standards.
Book Synopsis GB/T 40578-2021 Translated English of Chinese Standard. (GBT40578-2021) by : https://www.chinesestandard.net
Download or read book GB/T 40578-2021 Translated English of Chinese Standard. (GBT40578-2021) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-03-06 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies measuring instruments, measurement conditions, test requirements for measurement methods for noise emitted by light-duty vehicles in multiple driving mode conditions. This Standard is applicable to measurement of noise emitted by M1 category, M2 category and N1 category vehicles with the maximum design total mass not exceeding 3500kg in multiple driving mode conditions.
Book Synopsis Guidelines for the Measurement of Interstate Motor Carrier Noise Emissions by : Michigan Acoustical Consultants
Download or read book Guidelines for the Measurement of Interstate Motor Carrier Noise Emissions written by Michigan Acoustical Consultants and published by . This book was released on 1977 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this manual is to provide for a basic understanding of the elements of the measurement of sound, from motor vehicles in particular and the provisions and requirements of the Federal interstate motor carrier noise regulations, so that the reader is prepared to determine compliance with the regulations in a confident manner.
Book Synopsis Measurement of Noise Emitted by Accelerating Highway Vehicles by :
Download or read book Measurement of Noise Emitted by Accelerating Highway Vehicles written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Deutscher Normenausschuss. Fachnormenausschuss Akustik und Schwingungstechnik Publisher : ISBN 13 : Total Pages :6 pages Book Rating :4.:/5 (257 download)
Book Synopsis Measurement of Noise Emitted by Motor Vehicles by : Deutscher Normenausschuss. Fachnormenausschuss Akustik und Schwingungstechnik
Download or read book Measurement of Noise Emitted by Motor Vehicles written by Deutscher Normenausschuss. Fachnormenausschuss Akustik und Schwingungstechnik and published by . This book was released on 1967 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Measurement of Noise Emitted by Motor Vehicles by : C. H. G. Mills
Download or read book The Measurement of Noise Emitted by Motor Vehicles written by C. H. G. Mills and published by . This book was released on 1960 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise Test Development and Validation Program for Light Vehicles by : United States. Office of Noise Abatement and Control
Download or read book Noise Test Development and Validation Program for Light Vehicles written by United States. Office of Noise Abatement and Control and published by . This book was released on 1977 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Measurement of Noise Emitted by Motor Vehicles by : Indian Standards Institution
Download or read book Methods of Measurement of Noise Emitted by Motor Vehicles written by Indian Standards Institution and published by . This book was released on 1965 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Code of Practice for the Measurement of Noise Emitted by Road Vehicles when Stationary by :
Download or read book Code of Practice for the Measurement of Noise Emitted by Road Vehicles when Stationary written by and published by . This book was released on 1981 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustics. Measurement of Noise Emitted by Accelerating Road Vehicles. Engineering Method by : British Standards Institute Staff
Download or read book Acoustics. Measurement of Noise Emitted by Accelerating Road Vehicles. Engineering Method written by British Standards Institute Staff and published by . This book was released on 1998-12 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic measurement, Acoustic testing, Road vehicles, Noise (environmental), Acceleration, Classification systems, Motor vehicles, Motor cycles, Calibration, Gear boxes, Sound intensity, Testing conditions, Test equipment, Sound-level meters
Book Synopsis Federal Surface Vehicle Noise Research, Development, and Demonstration Programs: FY73-FY75 by : Interagency Surface Vehicle Noise Research Panel
Download or read book Federal Surface Vehicle Noise Research, Development, and Demonstration Programs: FY73-FY75 written by Interagency Surface Vehicle Noise Research Panel and published by . This book was released on 1975 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
