GB/T 33928-2017
ActiveReciprocating internal combustion engines—Measurement method for exhaust silencers—Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio
往复式内燃机 排气消声器测量方法 声压法排气噪声声功率级和插入损失及功率损失比
Application Summary AI generated
This standard specifies measurement methods for determining the sound power level of exhaust noise and the insertion loss of exhaust silencers on reciprocating internal combustion engines, using sound pressure techniques and accounting for power loss ratio. It is applied in the testing and evaluation of silencers for engines used in vehicles, generators, marine propulsion, and industrial machinery. The standard ensures consistent acoustic performance assessment for compliance with noise regulations and product quality control.
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