Formula 5.23
Deborah number
Input(s)
$t_{c}$: Relaxation Time Scale (h)
$\boldsymbol{t}_{\boldsymbol{p}}:$ Time Scale of Observation (h)
Output(s)
De: Deborah Number (dimensionless)
Formula(s)
$$ D e=\frac{t_{c}}{t_{p}} $$
Reference(s)
Wikipedia.org.