Fluidics
The
figure shows the mapping between the flow lines outside
and inside of a narrow tube as fluid undergoes
laminar flow (from left to right). The fluid passing through cross section
A outside the tube
is focused to cross section a
inside.
From V. Kachel, H. Fellner-Feldegg & E. Menke - MLM Chapt. 3
[RFM]
