ESS227
Prof. Jin-Yi Yu
Lagrangian View of Control Volume
•
In the
Lagrangian
frame, the control volume consists of an
infinitesimal mass of “tagged” fluid particles.
•
The control volume moves about following the motion of the
fluid, always containing the same fluid particles.
Change in Lagrangian
control volume (shown by
shading) due to fluid motion
parallel to the
x axis.