Download or read book Code of Practice for the Measurement of Noise Emitted by Motor Vehicles in Motion written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Code of Practice for the Measurement of Noise Emitted by Motor Vehicles written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Code of Practice for the Measurement of Noise Inside Motor Vehicles written by South African Bureau of Standards and published by . This book was released on 1987 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Code of Practice for the Measurement and Limitation of Noise Emitted by Motor Vehicles written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

Download or read book Code of Practice for the Measurement of Noise Emitted by Road Vehicles when Stationary written by South African Bureau of Standards and published by . This book was released on 1981 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

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:

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:

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:

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.

Download or read book Code of Federal Regulations written by and published by . This book was released on 2002 with total page 1332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.

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.

Download or read book Specification for Sound Level Meters for the Measurement of Noise Emitted by Motor Vehicles written by British Standards Institute Staff and published by . This book was released on 1986-02-28 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sound-level meters, Noise (environmental), Acoustic measurement, Acoustic equipment, Traffic, Road vehicles, Motor vehicles, Working range, Accuracy, Verification, Calibration, Frequencies, Testing conditions, Sensitivity

Download or read book Surface Vehicle Recommended Practice written by and published by . This book was released on 2015 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Standard is derived from SAE J2805 which itself is derived from ISO 362-1. This SAE Standard retains relevant descriptions and requirements for measurement facilities, equipment, ambient conditions and other factors from SAE J2805.

Download or read book The Measurement of Noise Inside Motor Vehicles written by South African Bureau of Standards and published by . This book was released on 2000 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Code of Federal Regulations of the United States of America written by and published by . This book was released on 1979 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.