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.