The measurement and calculation method of the air noise emitted from diesel engine in accordance with GB / T 1859-2000 is introduced the values of the weighted noise A surface sound pressure level and sound power level of the prototype of 280 diesel engine have been calculated .

介绍了依据国家标准 GBT18592000对柴油机辐射的空气噪声进行测量和计算的过程，并得出280型柴油机样机的 噪声A计 权表面声 压级和声功率级的计算值。