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authorPrefetch2022-01-30 11:27:00 +0100
committerPrefetch2022-01-30 11:27:00 +0100
commit88537b82784f71104c3a2771330c9e492f57fb03 (patch)
tree0d5ddb6adaf9e55892f4e7b79adf1e22cf0aee10 /content/know/concept/stokes-law/index.pdc
parent8a9fb5fef2a97af3274290e512816e1a4cac0c02 (diff)
Expand knowledge base, remove comments
Diffstat (limited to 'content/know/concept/stokes-law/index.pdc')
-rw-r--r--content/know/concept/stokes-law/index.pdc1
1 files changed, 0 insertions, 1 deletions
diff --git a/content/know/concept/stokes-law/index.pdc b/content/know/concept/stokes-law/index.pdc
index dee40d6..d876226 100644
--- a/content/know/concept/stokes-law/index.pdc
+++ b/content/know/concept/stokes-law/index.pdc
@@ -314,7 +314,6 @@ which reduce to a surface area factor $4 \pi a^2$:
$$\begin{aligned}
\va{D}
- %= \int_0^{2\pi} \!\!\! \int_0^\pi \big( \hat{\sigma} \cdot \vu{e}_r \big) \:r^2 \sin\theta \dd{\theta} \dd{\phi}
= \vu{e}_z \frac{3 \eta U}{2 a} \int_0^{2\pi} \!\!\!\! \int_0^\pi a^2 \sin\theta \dd{\theta} \dd{\phi}
= \vu{e}_z \frac{3 \eta U}{2 a} 2 \pi a^2 \int_0^\pi \sin\theta \dd{\theta}
= \vu{e}_z \: 6 \pi \eta U a