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physics.flu-dyn2025
Viscoelastic flow of an Oldroyd-B fluid through a slowly varying contraction-expansion channel: pressure drop and elastic stress relaxation
Yali Kedem, Bimalendu Mahapatra, Evgeniy Boyko
Viscoelastic fluid flows in narrow non-uniform geometries are ubiquitous in various engineering applications and physiological flow systems. For such flows, one of the key interest…
physics.flu-dyn2025
Elasto-viscous regime in coalescence of viscoelastic droplets
Pallavi Katre, Bimalendu Mahapatra, Manaswita Karmakar +3
We report a regime transition in the coalescence of concentrated polymeric droplets in a pendant-pendant configuration. While Newtonian droplet coalescence has been extensively stu…