Table 3 provides the Cross-WLF model coefficients and coefficients of determination for four different rheological models including (1) GNF fluid assuming isothermal, incompressible, and steady state conditions; (2) GNF fluid with non-isothermal, compressible, and transient conditions; (3) viscoelastic fluid
with isothermal and incompressible but transient conditions; and (4) viscoelastic fluid
with non-isothermal, compressible, and transient conditions.
In other cases, for a viscoelastic fluid
, Shan , Ezzat  and Mahmood  have employed fractional calculus in their studies.
Contract award notice: gradual delivery lenses, viscoelastic fluid
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A viscoelastic fluid
combines resistance to flow with the ability to return to a previous state when disturbed.
Gas penetration through a viscoelastic fluid
depends on conditions such as the film coating on the inner wall of a tube, displacement of oil by a low-viscosity fluid in enhanced oil recovery, and fluid replacement in gas-assisted injection molding (GAIM).
Dargush, "Analytical model of viscoelastic fluid
dampers," Journal of Structural Engineering, vol.
Khan  discussed the boundary layer viscoelastic fluid
flow over an exponentially stretching sheet.
Preeti and Chaudhary  analyzed an unsteady hydromagnetic flow of a viscoelastic fluid
from a radiative vertical porous plate, taking the effects of Hall current and mass transfer into account.
Annual oil output surpasses 10 million tons in Daqing Oilfield by using polymer flooding technology, serious eccentric wear to rod and tubing of pumping wells appears as the polymer is viscoelastic fluid
Oscillatory flow of an viscoelastic fluid
past and infinite porous plate with variable suction.
20] considered the MHD flow of a viscoelastic fluid
and heat transfer over a stretching sheet.
For example, a viscoelastic fluid
tends to push up the cone of a cone/plate viscometer or cause chattering (bouncing) of the cone.