GB 3847-2018 Translated English of Chinese Standard. GB3847-2018: Limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cyclehttps://www.chinesestandard.net, 2019年8月3日 - 92 pages This standard specifies the limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cycle, as well as the method and judgment basis of appearance inspection and OBD inspection of diesel vehicle. This standard is applicable to the inspection for new produced vehicle at end of production line, inspection for register vehicle, inspection for in-use vehicle. This standard also applies to other vehicles equipped with compression ignition engines. This standard does not apply to low-speed trucks and three-wheeled vehicles. |
Contents
| 4 | |
Requirements for data recording storage submission | 18 |
Appendix BA Informative Preinspection requirements of lugdown test | 49 |
Normative Ringelmann smoke method | 67 |
system | 74 |
Appendix G Normative Reporting data items in real time | 91 |
Common terms and phrases
absorbed power accelerator pedal Appearance inspection Appendix area of black-line automatically calibration chassis dynamometer competent department compression ignition engines control system control unit department of ecological diesel vehicles digits drive drum speed dynamometer's ecological environment effective length emission test end of production Engine control unit Engine displacement engine speed environmental inspection exceed fault code fault indicator four-wheel drive free acceleration method fuel hybrid vehicles in-use vehicles inspection items km/h license plate loss power lugdown method lugdown test maximum wheel power Nitrogen oxide OBD diagnostic instrument OBD inspection OBD system on-board diagnostic opacity meter optical absorption coefficient pollution control device pre-inspection produced vehicle production line Rated speed ready status record registration Ringelmann number Ringelmann smoke chart smoke chamber specified speed sensor standard gas tested vehicle tester testing equipment Testing of emission testing process testing results true VelMaxHP vehicle at end Vehicle identification vehicle model vehicle's