(drag_sphere)=
# Drag force acting on spherical body

```{admonition} Summary
* **Subject:** Drag acting on spherical body
* **Main conclusion:** Stokes drag $C_{D} Re = 24$ and Levich drag $C_{D} Re = 48$. 
* **Key idea** Stokes approximation for $Re \ll 1$ and potential flow for $Re \gg 1$
* **References:** 
    - {cite:t}`Landau1987`.
    - {cite:t}`Batchelor2000`
    - {cite:t}`Levich1962`
```


```{toctree} 
:maxdepth: 1

drag_sphere/stokes_drag_LL
drag_sphere/hadamard_rybczynski_drag
drag_sphere/levich_drag
```