Propeller Aircraft Engine Noise at Gertrude Howard blog

Propeller Aircraft Engine Noise. German researchers have succeeded in measuring the noise emitted by a turboprop aircraft synchronously on the ground and on the aircraft, a step forward that will help make future aircraft quieter. There are two sources of external noise, the prop and the engine exhaust. Most of the noise of a propeller plane comes from the propeller tips. A noisy environment dominated by low frequency noise can often be improved through the use of active noise control. We include a discussion of the apu noise as a separate item (§ 16.5). Noise from the prop is caused by its tips approaching supersonic speed. The various airframe noise sources that are audible above.

PPT NOISE IN ARMY AVIATION PowerPoint Presentation, free download
from www.slideserve.com

Noise from the prop is caused by its tips approaching supersonic speed. The various airframe noise sources that are audible above. A noisy environment dominated by low frequency noise can often be improved through the use of active noise control. German researchers have succeeded in measuring the noise emitted by a turboprop aircraft synchronously on the ground and on the aircraft, a step forward that will help make future aircraft quieter. We include a discussion of the apu noise as a separate item (§ 16.5). There are two sources of external noise, the prop and the engine exhaust. Most of the noise of a propeller plane comes from the propeller tips.

PPT NOISE IN ARMY AVIATION PowerPoint Presentation, free download

Propeller Aircraft Engine Noise Most of the noise of a propeller plane comes from the propeller tips. We include a discussion of the apu noise as a separate item (§ 16.5). There are two sources of external noise, the prop and the engine exhaust. A noisy environment dominated by low frequency noise can often be improved through the use of active noise control. The various airframe noise sources that are audible above. Noise from the prop is caused by its tips approaching supersonic speed. Most of the noise of a propeller plane comes from the propeller tips. German researchers have succeeded in measuring the noise emitted by a turboprop aircraft synchronously on the ground and on the aircraft, a step forward that will help make future aircraft quieter.

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