environ. |
noise-free technology Sound is radiated both as air-borne and as structure-borne; most sources produce both, thus various noise attenuation principles must be employed. Measures include: the replacement of components with quieter parts and material; the enclosure of particularly noisy components; the selection of quieter types of fan; the replacement of noisy compressed-air nozzles with quieter types; the choice of quieter transmission and cooling systems (声音可同时作为空气传播和结构传播;大部分的传播来源同时产生,因而不同的噪音衰减原则须得到使用。措施包括:用消音零件和材料更换部件;隔绝特定的噪声部件;选择消音风扇;用消音类型更换噪音压缩空气喷嘴;选择消音传输和散热系统。) |