GB/T 9911-1988
Measurement method of airborne noise emitted by marine diesel engine (English Version)
- Standard No.
- GB/T 9911-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-11
- Replace By
- GB/T 9911-2009
- Latest
- GB/T 9911-2018
- Scope
- This standard specifies the methods for measuring the sound pressure level and determining the sound power level of noise on the imaginary rectangular hexahedron measuring surface enveloping the diesel engine when the marine diesel engine (hereinafter referred to as the diesel engine) is operating under the specified steady-state conditions, including engineering methods, standard There are three methods: engineering method and simple method. This standard applies to the measurement of airborne noise radiated during diesel engine bench tests.
GB/T 9911-1988 history
- 2018 GB/T 9911-2018 Measurement of airborne noise emitted by marine diesel engine
- 2009 GB/T 9911-2009 Measure method of airborne noise emitted by marine diesel engine
- 1988 GB/T 9911-1988 Measurement method of airborne noise emitted by marine diesel engine
