  We study the bulk viscosity taking dust matter in the generalized
teleparallel gravity. We consider different dark energy models in this scenario
along with a time dependent viscous model to construct the viscous equation of
state parameter for these dark energy models. We discuss the graphical
representation of this parameter to investigate the viscosity effects on the
accelerating expansion of the universe. It is mentioned here that the behavior
of the universe depends upon the viscous coefficients showing the transition
from decelerating to accelerating phase. It leads to the crossing of phantom
divide line and becomes phantom dominated for specific ranges of these
coefficients.
