GB/T 4759-2009
AbolishedExhaust silencers for internal combustion engines - Measurement procedure
内燃机排气消声器 测量方法
Application Summary AI generated
This standard specifies the measurement methods for evaluating the acoustic and aerodynamic performance of exhaust silencers used with internal combustion engines. It is applied in the automotive, marine, and industrial machinery sectors to test silencer insertion loss, pressure drop, and flow noise under controlled laboratory or engine test bench conditions. The standard ensures consistent and comparable data for design validation and quality control of engine exhaust systems.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.