grid A

grid B

Grid points

Nr × Nθ × Nz

10 × 24 × 24

20 × 48 × 132

Grid spacing

hr × hθ × hz

Time step Δt

0.1

0.01

Total residual at convergence ε

0.1 × 10−3

0.1 × 10−1

Reynolds number ReS

700

700 - 4000