Beads-on-string phenomena in wormlike micellar fluids

Michael C. Sostarecz, Andrew Belmonte
2004 Physics of Fluids  
We present experimental results on the dynamics of wormlike micellar filaments surrounded by an immiscible viscous bulk fluid. For certain concentrations, these filaments develop a beads-on-string structure previously observed only in polymer jets and filaments surrounded by air. By taking advantage of the longer time scales present in this experiment, we are able to quantify the evolution of individual beads. We also investigate the stability of these filaments and the robustness of the
more » ... n-string structure by stretching the filament within a rotating flow.
doi:10.1063/1.1779672 fatcat:jnibmagavrb3jn7vrs32lnzyl4