Effects of freestream turbulence on the losses, fluid turning angles, pressure coefficients and boundary layer velocity profiles of a double circular arc tandem cascade were investigated experimentally. 通过实验,测量了自由流紊流度(Tu)在1.4%-6.7%范围内,一双圆弧串列叶栅总压损失系数、气流转角、附面层内速度分布以及吸力面压力系数。
Effects of freestream turbulence on cascade performance 自由流紊流度对串列叶栅性能的影响
Observation of Freestream Turbulence Using Collective Scattering in the Visible Range 用氩离子激光的集合散射观测流体湍流