1993 年 59 巻 561 号 p. 1486-1493
Analogy between the developing laminar flows in a curved pipe and in an orthogonally rotating pipe is discussed. Two governing parameters and the nondimensional axial distance Z are properly obtained for the respective flows. When the second parameters become large, it is shown that flow patterns, friction factors and flow characteristics become very similar for the same values of governing parameters if they are correlated with Z.