Numbered Equations

Question 1

1.1

Equations for streamlines

Answer 1

dx/u = dy/v = dz/w (=k)

Question 2

1.2

Equations for particle paths, with dⱱ/dt = ū(ⱱ,t).

Answer 2

dx/dt=u
dy/dt=v
dz/dt=w

Question 3

D/Dt ?

Answer 3

D/Dt = ð/ðt + u·ð/ðx + v·ð/ðy + w·ð/ðz

D/Dt = ð/ðt + ū·∇