The optimized forward swept rotors can effectively improve flow performance near endwalls, weaken the intensity of shock waves and reduce wake losses, is bile the loss near the midspan is increased.

• 优化所得前掠叶片可以有效地改善端壁附近流动状况，削弱激波强度，减少尾迹损失，提高整体效率，但叶展中部流动恶化。