Question

Wormlike micelles have been observed extensively using constitutive equationsbut none of them give satisfactory results

Answer 1

A micelle or micella is an aggregate of surfactant molecules dispersed in a liquid colloid. A typical micelle in aqueous solution forms an aggregate with the hydrophilic "head" regions in contact with surrounding solvent, sequestering the hydrophobic single-tail regions in the micelle centre. 

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