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Deborah number

   Also found in: Wikipedia 0.01 sec.
Deborah number [də′bȯr·ə ‚nəm·bər]
(mechanics)
A dimensionless number used in rheology, equal to the relaxation time for some process divided by the time it is observed. SymbolizedD.
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1/2], and the Deborah number which is defined as the ratio of the characteristic time of the fluid and the characteristic time of the bubble collapse, De = [[lamda].
Cavitation bubble dynamics in non-Newtonian fluids by Brujan, Emil-Alexandru / Polymer Engineering and Science
The knowledge of this history is especially important when the flow Deborah number (De) and the contraction ratio in contraction flow are very high, and the die is relatively short.
Modeling contraction flows and swell of polymer melts extruded from ... by Jeong, Jae-Hyeuk; Leonov, Arkady I. / Polymer Engineering and Science
They characterized viscoelasticity with Deborah number (De: dimensionless response time - ratio of material response time to experiment time) and showed that at low De, the flow was essentially 2-D.
Characterization of viscoelastic fluid flow in a periodically driven ... by Sriram, S; Deshpande, Abhijit P.; Pushpavanam, S. / Polymer Engineering and Science
 
 
 
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