Animation Fluid Flow in Elbow Pipe

Hello..I have a fluid flow animiation problem in a elbow pipe. I am using a gereral procedure of creating many parts in flow path and giving unhide at a required time point in the animation.

  I am searching for better option in Solid works that flow in a bend pipe can be easily done in animation.Please suggest me or give me the link of the video for my requirement.

Thanking You,

charan.

SolidworksGeneral