收稿日期:2024-09-04
修回日期:2024-09-30
接受日期:2024-11-04
出版日期:2024-11-08
发布日期:2024-11-07
通讯作者:
王科雷
E-mail:craig-wang@nwpu.edu.cn
基金资助:
Kelei WANG1,2(
), Zhou ZHOU1,2, Minghao LI1,2
Received:2024-09-04
Revised:2024-09-30
Accepted:2024-11-04
Online:2024-11-08
Published:2024-11-07
Contact:
Kelei WANG
E-mail:craig-wang@nwpu.edu.cn
Supported by:摘要:
基于分布式混合电推进飞行器先进气动布局设计技术研究背景,针对分布式动力翼推进/气动耦合问题,提出了一种面向工程约束的方形涵道风扇单元松耦合设计思路和方法。通过耦合涵道壁面影响的转子叶片设计优化和基于给定转子叶片动量源模型的涵道壁面设计优化这2个模块的耦合迭代,有效降低了设计问题复杂程度,实现兼顾方形涵道风扇单元这种多参数复杂对象的悬停特性和前飞特性的多目标设计优化。最终通过风洞测力和测压试验验证了松耦合设计思路和方法的有效性和可行性。
中图分类号:
王科雷, 周洲, 李明浩. 动力翼单元松耦合设计方法研究及试验验证[J]. 航空学报, 2025, 46(9): 212.
Kelei WANG, Zhou ZHOU, Minghao LI. Research and experimental validation of loose coupling design method for propulsion wing unit[J]. Acta Aeronautica et Astronautica Sinica, 2025, 46(9): 212.
表 1
NASA涵道螺旋桨推进特性计算与试验结果对比
| 前进比 | 方法 | 迎角/(°) | 螺旋桨推力系数 | 螺旋桨推力占比 | 螺旋桨扭矩系数 | |||
|---|---|---|---|---|---|---|---|---|
| 数值 | 相对变化量/% | 数值 | 相对变化量/% | 数值 | 相对变化量/% | |||
| 0.032 | 试验值 | 90 | 0.171 0 | 0.408 9 | ||||
| 70 | 0.180 1 | 0.415 0 | 0.028 3 | |||||
| 50 | 0.181 3 | 0.401 0 | 0.029 5 | |||||
| MRF方法 | 90 | 0.165 7 | -3.10 | 0.411 3 | +0.59 | 0.029 4 | ||
| 70 | 0.176 4 | -2.05 | 0.422 9 | +1.90 | 0.030 7 | +8.48 | ||
| 50 | 0.178 7 | -1.43 | 0.423 7 | +5.66 | 0.031 0 | +5.08 | ||
| MSM | 90 | 0.413 2 | +1.05 | |||||
| 70 | 0.409 4 | -1.35 | ||||||
| 50 | 0.407 3 | +1.57 | ||||||
| 0.401 | 试验值 | 70 | 0.170 2 | 0.393 7 | 0.297 8 | |||
| 50 | 0.173 5 | 0.391 3 | 0.290 6 | |||||
| MRF方法 | 70 | 0.164 4 | -3.41 | 0.384 9 | -2.24 | 0.294 6 | -1.07 | |
| 50 | 0.166 3 | -4.15 | 0.386 5 | -1.23 | 0.293 5 | +1.00 | ||
| MSM | 70 | 0.361 3 | -8.23 | |||||
| 50 | 0.362 0 | -7.49 | ||||||
表 2
动力翼单元准二维模型推进/气动耦合特性校核
来流速度/ (m·s-1) | 转子转速/ (103 r·min-1) | 迎角/ (°) | 推进特性 | 气动特性 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
转子拉力/ N | 桨毂拉力/ N | 总拉力/ N | 轴功率/ kW | 功率载荷/ (N·Kw-1) | 转子推进效率 | 升力系数 | 阻力系数 | 升阻比 | |||
| 0 | 8 | 0 | 22.01 | 37.60 | 1.04 | 36.15 | |||||
| 9 | 28.42 | 48.89 | 1.50 | 32.59 | |||||||
| 10 | 35.57 | 60.99 | 2.06 | 29.61 | |||||||
| 30 | 10 | 0 | 20.93 | -1.22 | 22.01 | 1.46 | 0.40 | 0.042 | -0.170 | ||
| 2 | 21.94 | -1.39 | 26.10 | 1.52 | 0.40 | 0.256 | -0.150 | ||||
| 3.7 | 18.92 | -3.51 | 14.85 | 1.30 | 0.36 | 0.801 | 0.062 | 12.90 | |||
| 4 | 18.77 | -3.32 | 15.35 | 1.33 | 0.35 | 0.908 | 0.066 | 13.76 | |||
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