Among all of them, the Coast-By method has been raised in Europe as standard method concerning the approval of tyres with regard to tyre/road sound emissions as preconized in UNECE Regulation 117 (2007)[2]. However, all the above mentioned methods have several disadvantages such as the ...
WhenECdecidedtointroduceanEUregulationfortyrewetgriplabelling,thetyreindustrycheckedifthe existingtestmethoddesignedforTypeApprovalwassuitableforthatpurpose. Theassessmentmadebytyreindustryhighlightedatoowidedispersionofthetestresultstocomplywiththe requirementsoflabelingscheme(bandwidthof15%). ...
UN Regulation No.68 中文版 Uniform provisions concerning the approval of power-driven vehicles with regard to the measurement chinaautoregs of the maximum speed 关于最大车速的测量方面批准包括纯电动车辆在内的机动车的统一规定 UN Regulation No.69 中文版 Uniform provisions concerning the approval of r...
Figure 1. UNECE Regulation No. 29 (UNECE R29) frontal impact safety standards schemes: (a) whole bus body frame model; (b) scheme of the front part. According to UNECE R29, the impactor should be made of steel, and its mass should be evenly distributed; its mass cannot be less than...