2.6 Forces Imposed by Fluid Flow
51
(2.57)
in which the function f(B) characterizes the pressure distribution along the
cylinder circumference, and B is an angle with respect to the x-axis. Rearranging Eq. (2.57):
(2.58)
a
b
negative
e
Fig. 2.22: Press'ure distribution around circular cylinder for ideal and real fluids:
a flow around cylinder and stagnation points position, b normalized pressure for
ideal fluid, c developing of boundary layer for viscous flow, d normalized pressure
for real fluid, e wake of vortices behind the cylinder