Advent of on-board gas turbine auxiliary power unit in commercial aircraft created problems of excessive noise levels affecting both passengers and aircraft personnel; paper analyzes these problems and outlines techniques being used to reduce gas turbine noises to acceptable level; brief explanation of pertinent acoustical terminology; treatment of major noise sources of gas turbine and its installation are discussed and evaluated from standpoint of maximum noise reduction.
Gas turbine auxiliary power unit noise and its attenuation
SAE -- Paper
SAE Meeting ; 1967 Noise
1967
11 pages
Aufsatz (Konferenz)
Englisch
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Gas Turbine Auxiliary Power Unit Noise and Its Attenuation
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