"The research for the stationary noise technique of in-use vehicle"
「"The research for the stationary noise technique of in-use vehicle"」於資料集「EPQSummary_NoiseAndVibration」由單位「行政院環境保護署」的陳先生所提供，聯繫電話是02-2311-7722#2386，最近更新時間為：2023-07-30 01:01:50。 欄位Project Title的內容是"The research for the stationary noise technique of in-use vehicle" ， 欄位Project Subject的內容是"This project focused on the test procedure of in-use vehicle noise control (for motorcycle). If the test site in urban area not fully comply with the current CNS 5799 test standard, and the local Environmental Protection Bureau needs to perform the noise test at the roadside of urban area. This project evaluates the influence of stationary noise test results carried out at various non-standard locations and applied the K2A (environmental correction factor) test to evaluate the acoustic field properties of urban test locations. Then compare the results between K2A and motorcycle’s noise test results to sum up the suggestions for result correction or further revise to improve the test procedure more appropriate for assessment of in-use motorcycle noise test. The main outlines are as follows: 1.To survey and analyze the noise test method and regulation status of in-use motor vehicle. Also, investigate the relative international noise regulations for test-site demands and correction method. 2.To investigate the effect of stationary noise of motor vehicle by measuring noise at different test-sites and sum up the relevance with environmental correction coefficient of sound field (K2A).3.To assess the influencing factors of stationary noise results measured at the urban non-standard sites, and make recommendation for improvement of the test procedure.To organize the literature of past research and test data in the urban area, and to investigate the influencing factors of stationary noise test for recommendation of test-site demands, test procedure and data calculation process. The main conclusions are summarized in the following: 1.The reference lectures of past research in noise test procedure of motor vehicle, which evaluate the influence of sound-reflecting surfaces on a theoretical basis to explain that the close-proximity measurements setup of stationary noise were essentially unaffected by reflective surfaces in the open environment. Only if a specific frequency wave may be suffered from standing wave effect. The reproducibility and stability should be most suitable for motor vehicle testing.2.The test-site evaluation with K2A and stationary noise of motor vehicles are compared to standard test-sites. The difference of K2A and stationary noise are less than ±1.5dB(A), the different range are fairly consistent, but the relevance trend is not clear. The results show that the influence of stationary noise tested at non-standard locations are small, and can be controlled in a specific range. As per the ISO 11201 standard, the results of K2A≦2dB showed that the non-standard urban test sites could be approximately regarded as a free-field environment.3.By summing up all of the test results obtained at various kinds of non-standard test sites, the measurement uncertainty under 95% confidence is 1.7dB(A), and the noise difference in the test result for the standard and the non-standard sites were found to be no greater than 2dB(A) when the results were rounded according standard procedure. 4.In conclusion, measurements carried out at the non-standard locations agreed well with the corresponding test results obtained at the standard test-site. The influence is not significant. To improvement the in-use vehicle noise control, the countermeasure may either to revise the current test procedure (correct the noise test result with a fixed value for the uncertainty); or to take the uncertainty into consider while determining the penalty with current test standard." ， 欄位Project Year的內容是2014 ， 欄位Organizer的內容是"Department of Air Quality Protection ＆amp; Noise Control" ， 欄位Executive Unit的內容是"財團法人車輛研究測試中心" ， 欄位Reporting download URL的內容是https://epq.epa.gov.tw/project/filedownload.aspx?fid=81941 ， 欄位Publish Date的內容是20150201 。
Project Title
"The research for the stationary noise technique of in-use vehicle"
Project Subject
"This project focused on the test procedure of in-use vehicle noise control (for motorcycle). If the test site in urban area not fully comply with the current CNS 5799 test standard, and the local Environmental Protection Bureau needs to perform the noise test at the roadside of urban area. This project evaluates the influence of stationary noise test results carried out at various non-standard locations and applied the K2A (environmental correction factor) test to evaluate the acoustic field properties of urban test locations. Then compare the results between K2A and motorcycle’s noise test results to sum up the suggestions for result correction or further revise to improve the test procedure more appropriate for assessment of in-use motorcycle noise test. The main outlines are as follows: 1.To survey and analyze the noise test method and regulation status of in-use motor vehicle. Also, investigate the relative international noise regulations for test-site demands and correction method. 2.To investigate the effect of stationary noise of motor vehicle by measuring noise at different test-sites and sum up the relevance with environmental correction coefficient of sound field (K2A).3.To assess the influencing factors of stationary noise results measured at the urban non-standard sites, and make recommendation for improvement of the test procedure.To organize the literature of past research and test data in the urban area, and to investigate the influencing factors of stationary noise test for recommendation of test-site demands, test procedure and data calculation process. The main conclusions are summarized in the following: 1.The reference lectures of past research in noise test procedure of motor vehicle, which evaluate the influence of sound-reflecting surfaces on a theoretical basis to explain that the close-proximity measurements setup of stationary noise were essentially unaffected by reflective surfaces in the open environment. Only if a specific frequency wave may be suffered from standing wave effect. The reproducibility and stability should be most suitable for motor vehicle testing.2.The test-site evaluation with K2A and stationary noise of motor vehicles are compared to standard test-sites. The difference of K2A and stationary noise are less than ±1.5dB(A), the different range are fairly consistent, but the relevance trend is not clear. The results show that the influence of stationary noise tested at non-standard locations are small, and can be controlled in a specific range. As per the ISO 11201 standard, the results of K2A≦2dB showed that the non-standard urban test sites could be approximately regarded as a free-field environment.3.By summing up all of the test results obtained at various kinds of non-standard test sites, the measurement uncertainty under 95% confidence is 1.7dB(A), and the noise difference in the test result for the standard and the non-standard sites were found to be no greater than 2dB(A) when the results were rounded according standard procedure. 4.In conclusion, measurements carried out at the non-standard locations agreed well with the corresponding test results obtained at the standard test-site. The influence is not significant. To improvement the in-use vehicle noise control, the countermeasure may either to revise the current test procedure (correct the noise test result with a fixed value for the uncertainty); or to take the uncertainty into consider while determining the penalty with current test standard."
Project Year
2014
Organizer
"Department of Air Quality Protection ＆amp; Noise Control"
Executive Unit
"財團法人車輛研究測試中心"
Reporting download URL
Publish Date
20150201
「"The research for the stationary noise technique of in-use vehicle"」所屬的資料集：「EPQSummary_NoiseAndVibration」的其他資料
Project Title：
2008 Taoyuan area Air noise monitoring, analysis and promotion planned
Project Subject：
This plan, according to the goal of the plan and demand for the working project, the groundwork cont
Project Year：
2008
Organizer：
Taoyuan County Government Environment Protection Bureau
Project Title：
Noise Monitoring and Noise Recognition and Control of Motor Vehicles Exhaust Pipes in Tainan City, 2
Project Subject：
1. Project Title: Noise Monitoring and Noise Recognition and Control of Motor Vehicles Exhaust Pipes
Project Year：
2021
Organizer：
Environmental Protection Bureau of Tainan City
Project Title：
The review plan of Tainan City noise monitoring and aviation noise control area in year 2011
Project Subject：
This plan is to complete the operation and public pleads in the noise monitoring of Tainan City appl
Project Year：
2011
Organizer：
Environmental Protection Bureau of Tainan City
Project Title：
The Environmental Noise Monitoring Project in Taoyuan County of 2006
Project Subject：
For improving Taoyuan County's environmental quality, the Best Environment Co. Ltd. provides the ser
Project Year：
2006
Organizer：
Taoyuan County Government Environment Protection Bureau
Project Title：
2022 Research and Management Program on Noise Control Technologies for Air and Ground Transportation
Project Subject：
一、 Air and ground transportation
In terms of aircraft noise, completed suggestion and revision of re
Project Year：
2022
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
2022 Hsinchu City Science and Technology Sensor Inspection Integration Plan
Project Subject：
The annual quantitative goals have all reached more than 100% in accordance with the contract, and t
Project Year：
2022
Organizer：
Bureau of Environmental Protection Hsin-Chu
Project Title：
"The project for inspection、reporting and control of vehicle noise"
Project Subject：
"This project assisted the EPA to operate and maintain the in-use vehicles noise reporting website s
Project Year：
2018
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
The Control Measure of In-use Vehicle Noise
Project Subject：
This project assisted the EPA to operate and maintain the in-use vehicles noise reporting website sy
Project Year：
2013
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
Construction of regional non-ionizing radiation monitoring data and information management project
Project Subject：
In order to achieve a more comprehensive investigation of the distribution of environmental electrom
Project Year：
2018
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
"The study on control of periodical noise, intermittent noise, low frequency noise and vibration"
Project Subject：
"This study analyzed the measurement results of previous years with different weighting methods and
Project Year：
2020
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
2021 Traffic Noise and Green Energy-saving Noise Abatement Technology Survey
Project Subject：
1.To establish a demonstrative environmental protection rating mechanism on aircraft noise in our co
Project Year：
2021
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
"Research Project on Operating Procedures for Indoor Noise Monitoring and Verification of Measuremen
Project Subject：
"In order to promote the enhancement of indoor acoustic quality in public places, the Environmental
Project Year：
2017
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
Project Subject：
This project focused on the noise pollution and was principally categorized into eight parts: 1) com
Project Year：
2015
Organizer：
Environmental Protection Bureau of Tainan City
Project Title：
Checking on motor vehicles emission testing institutions 2015
Project Subject：
This project was commissioned by the National Institute of Environmental Analysis, Environmental Pro
Project Year：
2015
Organizer：
Project Title：
The project of analysis, examination and of treatment of noise complaint cases
Project Subject：
The noise complaint was one of the major public environmental pollution, the number of noise complai
Project Year：
2011
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
"Investigation of environmental low-frequency noise and vibration and research projet for improvemen
Project Subject：
"The number of people affected by noise and vibration are increased by the days, and the quality of
Project Year：
2015
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
" Smart Noise System Applied to Environmental Sensing IoT"
Project Subject：
"An EU Environmental Noise Directive has defined the “quiet zone” and required EU member states to i
Project Year：
2020
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
"The Study of Environmental Vibration Improvement Measures"
Project Subject：
"In this study, the relating environmental vibration control law or guideline of foreign countries w
Project Year：
2018
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
The project for noise control of in-use vehicle and construction.
Project Subject：
This project assists the EPA in controlling noise from vehicles in use, including the inspection and
Project Year：
2021
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
"The Study of Environmental Vibration Improvement Measures "
Project Subject：
"The study analyzed the reports of vibration in the past three years, and the results showed that th
Project Year：
2019
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
"Implement of the new vehicle type approval with regard to noise, the new vehicle spot check and the
Project Subject：
"The main work items of this project included: assist EPA (Environmental Protection Administration)
Project Year：
2015
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
The Study of Characteristics and Control of Environmental Vibration Source
Project Subject：
In order to fulfill the environment protection affairs, to establish the background information, and
Project Year：
2017
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
"Construction of regional non-ionizing radiation monitoring data and information management project"
Project Subject：
"In order to achieve a more comprehensive investigation of the distribution of environmental electro
Project Year：
2018
Organizer：
"Department of Air Quality Protection ＆amp; Noise Control"
Project Title：
"Ambient Air Quality Monitoring Plan in year 2013"
Project Subject：
"The program starts from 3/8/2013. The planned contents of tasks include maintaining the normal oper
Project Year：
2013
Organizer：
"Environmental Protection Bureau Yunlin County"
Project Title：
A project for traffic noise control
Project Subject：
Because of the urban development, traffic are getting more congested. And in order to mitigate the
Project Year：
2015
Organizer：
Department of Air Quality Protection ＆amp; Noise Control
Project Title：
Enhance implementation redelineation of each class of noise control zone in Tainan county
Project Subject：
I.environmental noise measurement
This plan carry out the test of environmental noise for all towns
Project Year：
2003
Organizer：
Environmental Protection Bureau of Tainan City
Project Title：
2013 Taichung City Motorcycle Emission Inspection Station Management Project.
Project Subject：
“2013 Taichung City motorcycle Emission Inspection Station Management Project” had begun from Feb.-0
Project Year：
2013
Organizer：
Environmental Protection Bureau, Taichung City
Project Title：
The Review of The Delimitation of Noise Control Zones under the Tainan Special Municipality Governme
Project Subject：
The Noise Control Act demands the Tainan Special Municipality Government to delimit the noise contro
Project Year：
2010
Organizer：
Environmental Protection Bureau of Tainan City
Project Title：
Project Subject：
In order to assist the TaoYuan Government Environmental Protection Bureau executing the environment
Project Year：
2007
Organizer：
Taoyuan County Government Environment Protection Bureau
Project Title：
2009 Taoyuan area Air noise monitoring, analysis and promotion
Project Subject：
This plan, according to the goal of the plan and demand for the working project, the groundwork cont
Project Year：
2009
Organizer：
Taoyuan County Government Environment Protection Bureau
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