摘要: A computational study was performed for a doubly-swept rotor blade tip todetermine its benefit for high-speed impulsive (HSI) and blade-vortex interaction (BVI) noise. This design consists of aft and forward sweep. For the HSI-noi... 展开
作者 | Wake, B. E. Egolf, T. A. | ||
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原报告号 | N9528264 | 总页数 | 65 |
报告类别/文献类型 | NASA / NTIS科技报告 | ||
关键词 | Acoustic properties Aeroacoustics Aircraft noise Blade slap noise Blade tips Blade-vortex interaction Euler equations of motion Noise reduction Rotary wing aircraft Rotary wings Sweep effect Leading edges Navier-stokes equation Uh-60a helicop |