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Annoyance caused by propeller airplane flyover noise
| 题名： | Annoyance caused by propeller airplane flyover noise |
| 作者： | Mccurdy, D. A.; Powell, C. A. |
| 关键词： | propeller；cause；noise；lane；anno；over；blade；acoustic；weight；pressure |
| 摘要： | Laboratory experiments were conducted to provide information on quantifying the annoyance response of people to propeller airplane noise. The items of interest were current noise metrics, tone corrections, duration corrections, critical band corrections, and the effects of engine type, operation type, maximum takeoff weight, blade passage frequency, and blade tip speed. In each experiment, 64 subjects judged the annoyance of recordings of propeller and jet airplane operations presented at d-weighted sound pressure levels of 70, 80, and 90 dB in a testing room which simulates the outdoor acoustic environment. The first experiment examined 11 propeller airplanes with maximum takeoff weights greater than or equal to 5700 kg. The second experiment examined 14 propeller airplanes weighting 5700 kg or less. Five jet airplanes were included in each experiment. For both the heavy and light propeller airplanes, perceived noise level and perceived level (Stevens Mark VII procedure) predicted annoyance better than other current noise metrics. |
| 报告类型： | 科技报告 |
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