1 Subject Content and Application Scope
This standard specifies the technical requirements of gas turbine power device, the noise measurement and data processing method as well as the contents of measurement report.
This standard is applicable to indoor and outdoor gas turbine power device as well as combined cycle power device or its gas turbine generator unit.
This standard is not applicable to gas turbine used in transportation tools.
2 Normative References
GB 2900.47 Electrotechnical Terminology - Gas Turbine
GB 3096 Standard of Environmental Noise of Urban Area
GB 3102.7 Quantities and units of Acoustics
GB 3240 Preferred Frequencies for the Acoustical Measurement
GB 3241 Octave and Third-octave Band Filters Used for the Analysis of Sound and Vibration
GB 3785 Electric, Sonic Properties and Measuring Methods for sound level Meters
GB 3947 Acoustical Terminology
1 Subject Content and Application Scope
2 Normative References
3 Terms and Symbols
4 Noise Technical Requirements
5 Noise Measurement Methods
6 Data Processing
7 Quality Evaluation of Device Noise
8 Measuring Error
9 Measurement Report
Appendix A (Additional) Rules to Determine the Permissible Noise Level at 1m to the Unit (or Its Closure)
Appendix B (Additional) Rules to Determine the Permissible Noise Level at 120m to the Device Periphery
