标准摘要
[中文适用范围]： ：本SAE推荐实践建立了测试程序、环境及仪器，用于确定受控发动机且总车重超过4540公斤的公路货运卡车和牵引车头在静止状态下的最大外部声级。基本程序涉及全油门发动机加速和油门关闭的减速，发动机惯性作为负载。 [外文原描述]： This SAE Recommended Practice establishes the test procedure, environment, and instrumentation for determining the maximum exterior sound level of highway motor trucks and truck tractors over 4540 kg gross vehicle weight rating (GVWR) with governed engines under stationary vehicle conditions. The basic procedure involves a full throttle engine acceleration and a closed throttle deceleration with the engine inertia as the load.Cross Reference: ANSI/S1.4,ANSI/S1.40,ISO5130,J184_201408
英文名称Measurement of Exterior Sound Levels for Heavy Trucks Under Stationary Conditions