Recent advances in microfluidics have enabled the molecular-level study of polymer
dynamics using single DNA chains. Single polymer studies based on fluorescence …

Wormlike micellar surfactant solutions are encountered in a wide variety of important
applications, including enhanced oil recovery and ink-jet printing, in which the fluids are …

Viscoelastic flow past a cylinder is a classic benchmark problem that is not completely
understood. Using novel three-dimensional (3D) holographic particle velocimetry, we report …

We report a novel inertia-less, elastic flow instability for a viscoelastic, shear-thinning
wormlike micellar solution flowing past a microcylinder in a channel with blockage ratio BR …

We present an experimental investigation of viscoelastic fluid flow in a cross-slot
microgeometry under low Reynolds number flow conditions. By using several viscoelastic …

Viscoelastic flow around a confined cylinder at high Deborah numbers is studied using
microfluidic channels. By varying fluid properties and flow rates, a systematic study of the …

Engineering flow processes to direct the microscopic structure of soft materials represents a
growing area of materials research. In situ small-angle neutron scattering under flow (flow …

We employ the techniques of microparticle image velocimetry and full-field birefringence
microscopy combined with mechanical measurements of the pressure drop to perform a …

Using a linear array of cylinders in a rectangular microchannel, the development of
viscoelastic instabilities at moderate viscoelastic Mach numbers is investigated. Through …

An examination of the upstream and downstream instabilities that occur for highly confined
and bounded viscoelastic flows around a cylinder is presented. An elasticity number-Mach …