Deborah Number
Deborah number, abbreviated as De, a dimensionless number, is the ratio of fluidity of materials under specific flow conditions, primarly used in rheology.
Deborah Number formula
\(\large{ De = \frac{ t_c }{ t_p } }\) |
Where:
\(\large{ De }\) = Deborah number
\(\large{ t_p }\) = time of observation
\(\large{ t_c }\) = time of relaxation