ASTM E2459 - 05(2016) - Standard Guide for Measurement of In-Duct Sound Pressure Levels from Large Industrial Gas Turbines and Fans

ASTM E2459 - 05(2016)

Standard Guide for Measurement of In-Duct Sound Pressure Levels from Large Industrial Gas Turbines and Fans

Status : Current   Published : October 2016

Format
PDF

Format
HARDCOPY



1.1 This guide is intended to provide a simple and consistent procedure for the in-situ field measurement of in-duct sound pressure levels in large low pressure industrial air ducts, such as for gas turbines or fans, where considerations such as flow velocity, turbulence or temperature prevent the insertion of sound pressure sensors directly into the flow. This standard guide is intended for both ambient temperature intake air and hot exhaust gas flow in ducts having cross sections of four (4) square meters, or more.

1.2 The described procedure is intended to provide a repeatable and reproducible measure of the in-duct dynamic pressure level at the inlet or exhaust of the gas turbine, or fan. The guide is not intended to quantify the “true” sound pressure level or sound power level. Silencers, as well as Waste Heat Boilers, must be designed using the in-duct sound power level as the basis. Developing the true sound power level based on in-duct measurements of true sound pressure within a complete operating system is complex and procedures are developmental and often proprietary.

1.3  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Extreme caution is mandatory when working near hot exhaust gas systems and appropriate safety precautions such as the installation of quick acting isolation valves are recommended.




Standard NumberASTM E2459 - 05(2016)
TitleStandard Guide for Measurement of In-Duct Sound Pressure Levels from Large Industrial Gas Turbines and Fans
StatusCurrent
Publication Date01 October 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Field sound pressure level, Gas turbine exhaust noise, Gas turbine inlet noise, Gas turbine noise, High temperature flow noise, In-duct sound, Industrial noise, Machinery noise, Noise in turbulent flow
ICS17.140.20
PublisherASTM
FormatA4
DeliveryYes
Pages6
File Size183 KB
Price£40.00


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