摘要: A series of convergent rectangular nozzles of aspect ratios 2:1, 4:1, and 8:1 were constructed with uniform exit velocity profiles. Additional nozzles were constructed that extended the wide lip on one side of these nozzles to for... 展开
作者 | Bridges, J. E. | ||
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原报告号 | N20120014211 | 总页数 | 26 |
主办者 | National Aeronautics and Space Administration | ||
报告分类号 | [46A - Acoustics81D - Jet & Gas Turbine Engines] | ||
报告类别/文献类型 | NASA / NTIS科技报告 | ||
关键词 | Acoustic measurement Convergent nozzles Velocity distribution Jet aircraft noise Aspect ratio Temperature effects High frequencies Mach number |