It is also discovered that the axial velocity distribution and velocity-weighted average swirl Angle at the outlet section of axial-flow pump vary with the changing of wall roughness.
研究还发现，水泵出口断面轴向流速分布均匀度和速度加权平均偏流角也随壁面粗糙度改变而改变。
It is also discovered that the axial velocity distribution and velocity-weighted average swirl Angle at the outlet section of axial-flow pump vary with the changing of wall roughness.
研究还发现，水泵出口断面轴向流速分布均匀度和速度加权平均偏流角也随壁面粗糙度改变而改变。
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