1) swept and curved blade
弯掠叶型
1.
The results show that,the swept and curved blade can reduce the pile of the low energy flow at corner,and restrain the flow separation,improving the flow at the corner and enhancing the overall performance of the blade.
运用NUMECA对某内外涵组合压气机进行数值模拟,为了减小内涵静子表面流动分离,提高其气动性能,在对其设计改型过程中,先后采用了直叶片、根部后掠和根部后掠尖部前掠三种叶型,数值模拟结果表明,弯掠叶型能减弱根尖部低能流体的堆积,抑制端壁角区的气流分离,使根尖部流动得到改善,从而提高其整体性能。
2) Leading edge skewed-swept blade
前缘弯掠叶型
3) curved rotor
弯掠动叶
1.
The unsteady 3D flow fields in a single-stage transonic compressor under designed conditions are simulated numerically to inves- tigate the effects of the curved rotors on the stage performance and the aerodynamic interaction between the blade rows.
研究结果表明:非定常计算条件下,动叶弯掠后的压气机效率仍然获得大幅提高,并且效率的波动幅值同原型压气机相比明显降低,同时动叶改型前后的效率和压比的非定常波动曲线的相位发生了偏差;弯掠动叶下游的静叶前缘区域的顶部和根部的静压扰动幅值减小,中部的则有所增加,整个径向范围内扰动更为均匀;动叶弯掠后,由于弯掠动叶出口的损失分布的变化以及动叶尾迹和二次流在静叶流道中的输运和耗散特性的改变,静叶前缘区域以外的压力面和吸力面不同位置处的静压波动也发生了变化。
2.
The unsteady 3D flow fields in a transonic compressor at design point were simulated numerically to study the effects of the curved rotors on the aerodynamic loading of the blades.
对一单级跨声压气机设计工况采用弯掠动叶前、后的非定常流场进行了数值模拟,深入分析了动叶弯掠对压气机叶片非定常气动负荷的影响。
5) skewed-swept rotating blade
弯掠动叶
1.
The experiments of variable working condition-rotating stall onaerodynamic and aeroacoustic performance of axial fans with radial rotatingblades and skewed-swept rotating blades carried out are dealt with in the pre-sent paper.
具有相同的几何参数和气动参数的两台弯掠动叶和径向动叶轴流试验风机（弯掠动叶弦长在中径处加长20。
2.
The experiments of steady working condition on aerodynamic and aeroacoustic performance of axial fans with conventional (radial )rotating blades and skewed-swept rotating blades carried out are dealt with in the paper.
试验利用两组轴流试验风机，一组为常规动叶的轴流风机，另一组为弯掠动叶的轴流风机，保持它们具有（除弦长外）相同的几何参数和相同的转速（弯掠动叶弦长增加量为20％左右）。
6) Sweep/Dihedral Blade
掠弯叶片
补充资料：冷弯钢材(见冷弯型材)
冷弯钢材(见冷弯型材)
roll-formed shape steel
}engwan gangeoi冷弯钢材(roll一formed shape steel)见冷弯型材。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条