The challenge of adequately cooling the nozzle guide vane directly downstream of the combustor is compounded by a complex vortical secondary flow at the junction of the endwall and the airfoil.

• 为了使空气在管道中能克服更大的阻抗，本研究设计管道风扇出口导流叶片，试图将流出叶轮之流体由迴旋流动导为直接流出风机，以达到提升风机性能的目的。