On many occasions we need to transform a velocity from Cartesian (x, y, z) coordinates to cylindrical (r, , z) coordinates (or vice versa). Using

On many occasions we need to transform a velocity from Cartesian (x, y, z) coordinates to cylindrical (r, θ, z) coordinates (or vice versa). Using Fig. P9–13 as a guide, transform cylindrical velocity components (u_r, u_θ, u_z) into Carte sian velocity components (u, v, w).

FIGURE P9–13

y up V u 1 1 U