GB/T 9911-2009

Abolished

Measure method of airborne noise emitted by marine diesel engine

船用柴油机辐射的空气噪声测量方法

Standard Type
GBT
ICS
47.020.20
CCS
U44
Status
Abolished
Issue Date
2009-03-09
Implementation
2009-11-01
Centralized Committee
国家标准委
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the measurement methods for airborne noise emitted by marine diesel engines under laboratory or on-board conditions. It is applied in shipbuilding and marine engineering to ensure consistent noise testing procedures for engine certification, type approval, and noise control compliance. The standard covers measurement instrumentation, test conditions, and data processing for engines used in various vessel types.

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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.