ISO 10494:2018
Collections
International IEC standards
Publication date
April 2018
Number of pages
37 p.
Reference
ISO 10494:2018
Print number
2
ISO 10494:2018
April 2018
International standard
Current
Turbines and turbine sets - Measurement of emitted airborne noise - Engineering/survey method
ISO 10494:2018 specifies methods for measuring the noise emission of a turbine or turbine set under steady-state operating conditions. It specifies methods for measuring the sound pressure levels on a measurement surface enveloping a source, and for calculating the sound power level produced by the source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the A-weighted sound power level of the source and octave or one-third-octave band sound power levels are calculated. These methods can be used to conduct performance tests even if the purpose of the test is simply to determine the sound pressure level around the machine.ISO 10494:2018 is applicable to turbines and turbine sets:- for power plant and industrial applications (e.g. stationary);- for installation on board ships, or offshore installations, road and railway vehicles.ISO 10494:2018 does not apply to gas turbines in aircraft applications.ISO 10494:2018 is applicable to only the part of the turbine set (turbine, driven equipment and attached components) located above the floor and inside a continuous enveloping measurement surface bounded by this floor.ISO 10494:2018 is applicable to steady-state operation and excludes transients such as start-up and shut-down, when the noise emission can be higher for short times. Under these conditions, this document does not apply.
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Sumary
Turbines and turbine sets - Measurement of emitted airborne noise - Engineering/survey method
ISO 10494:2018 specifies methods for measuring the noise emission of a turbine or turbine set under steady-state operating conditions. It specifies methods for measuring the sound pressure levels on a measurement surface enveloping a source, and for calculating the sound power level produced by the source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the A-weighted sound power level of the source and octave or one-third-octave band sound power levels are calculated. These methods can be used to conduct performance tests even if the purpose of the test is simply to determine the sound pressure level around the machine.
ISO 10494:2018 is applicable to turbines and turbine sets:
- for power plant and industrial applications (e.g. stationary);
- for installation on board ships, or offshore installations, road and railway vehicles.
ISO 10494:2018 does not apply to gas turbines in aircraft applications.
ISO 10494:2018 is applicable to only the part of the turbine set (turbine, driven equipment and attached components) located above the floor and inside a continuous enveloping measurement surface bounded by this floor.
ISO 10494:2018 is applicable to steady-state operation and excludes transients such as start-up and shut-down, when the noise emission can be higher for short times. Under these conditions, this document does not apply.
ISO 10494:2018 specifies methods for measuring the noise emission of a turbine or turbine set under steady-state operating conditions. It specifies methods for measuring the sound pressure levels on a measurement surface enveloping a source, and for calculating the sound power level produced by the source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the A-weighted sound power level of the source and octave or one-third-octave band sound power levels are calculated. These methods can be used to conduct performance tests even if the purpose of the test is simply to determine the sound pressure level around the machine.
ISO 10494:2018 is applicable to turbines and turbine sets:
- for power plant and industrial applications (e.g. stationary);
- for installation on board ships, or offshore installations, road and railway vehicles.
ISO 10494:2018 does not apply to gas turbines in aircraft applications.
ISO 10494:2018 is applicable to only the part of the turbine set (turbine, driven equipment and attached components) located above the floor and inside a continuous enveloping measurement surface bounded by this floor.
ISO 10494:2018 is applicable to steady-state operation and excludes transients such as start-up and shut-down, when the noise emission can be higher for short times. Under these conditions, this document does not apply.
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Replaced standards
(1)
IEC 61063:1991
April 1991
International standard
Cancelled
Acoustics - Measurement of airborne noise emitted by steam turbines and driven machinery
Describes a method for the measurement of noise emitted by steam turbines including driven machinery operating under steady state conditions. The results are expressed in sound power levels and in sound pressure levels. Applies to steam turbines of all sizes without limitation of output.
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