The increasing need to locate gas turbine power stations in the vicinity of residential sections forces the manufacturer to meet stringent noise abatement requirements which seems to get stricter as time progresses. This paper identifies major sources of noise emitted by gas turbine power stations, analyzes the techniques to reduce the emission and to suppress the propagation of this noise, describes practical approaches and reports measurements performed on medium and large size installations. Finally the economics of adequate silencing is considered.

This content is only available via PDF.