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Liquid Transfer for Viscoelastic Solutions

Article dans une revue avec comité de lecture
Auteur
PINGULKAR, Hrishikesh
56485 Laboratoire Ondes et Milieux Complexes [LOMC]
PEIXINHO, Jorge
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
CRUMEYROLLE, Olivier
56485 Laboratoire Ondes et Milieux Complexes [LOMC]

URI
http://hdl.handle.net/10985/21075
DOI
10.1021/acs.langmuir.1c01462
Date
2021
Journal
Langmuir

Résumé

Viscoelastic liquid transfer from one surface to another is a process that finds applications in many technologies, primarily in printing. Here, cylindrical-shaped capillary bridges pinned between two parallel disks are considered. Specifically, the effects of polymer mass fraction, solution viscosity, disk diameter, initial aspect ratio, final aspect ratio, stretching velocity, and filling fraction (alike contact angle) are experimentally investigated in uniaxial extensional flow. Both Newtonian and viscoelastic polymer solutions are prepared using polyethylene glycol and polyethylene oxide, with a wide variety of mass fractions. The results show that the increase in polymer mass fraction and solvent viscosity reduces the liquid transfer to the top surface. Moreover, the increase in the initial and final stretching heights of the capillary bridge also decreases the liquid transfer for both Newtonian and viscoelastic solutions. Finally, the shape of the capillary bridge is varied by changing the liquid volume. Now, Newtonian and viscoelastic solutions exhibit opposite behaviors for the liquid transfer. These findings are discussed in terms of interfacial shape instability and gravitational drainage.

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PIMM_ACS_L_2021_PEIXINHO.pdf
Taille:
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Format:
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Fin d'embargo:
2022-03-01
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Documents liés

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  • Drop dynamics of viscoelastic filaments 
    Article dans une revue avec comité de lecture
    PINGULKAR, Hrishikesh; PEIXINHO, Jorge; CRUMEYROLLE, Olivier (American Physical Society, 2020)
    The stretching of viscoelastic polymer solutions close to breakup can create attached drops on a filament, whose properties and dynamics are little understood. The stretching of capillary bridges and the consecutive filament, ...
  • Extensional Viscosity of Immiscible Polymer Multi-Nanolayer Films: Signature of the Interphase 
    Article dans une revue avec comité de lecture
    ccDMOCHOWSKA, Anna; ccPEIXINHO, Jorge; ccSOLLOGOUB, Cyrille; ccMIQUELARD-GARNIER, Guillaume (2023)
    The measurement of interfacial mechanical or rheological properties in polymer blends is a challenging task, as well as providing a quantitative link between these properties and the interfacial nanostructure. Here, we ...
  • Identification of viscoelastic material properties by ultrasonic angular measurements in double through-transmission 
    Article dans une revue avec comité de lecture
    ccPOUDREL, Anne-Sophie; GATTIN, Max; ROSI, Giuseppe; ccRÉBILLAT, Marc; ccPEIXINHO, Jorge; ccBOCHUD, Nicolas; ccMARGERIT, Pierre (AIP Publishing (Acoustical Society of America - ASA -), 2024-07)
    Recent advances in additive manufacturing (AM) of viscoelastic materials have paved the way toward the design of increasingly complex structures. In particular, emerging biomedical applications in acoustics involve structures ...
  • Instability and rupture of sheared viscous liquid nanofilms 
    Article dans une revue avec comité de lecture
    DHALIWAL, Vira; PEDERSEN, Christian; KADRI, Kheireddin; ccMIQUELARD-GARNIER, Guillaume; ccSOLLOGOUB, Cyrille; ccPEIXINHO, Jorge; ccSALEZ, Thomas; CARLSON, Andreas (American Physical Society (APS), 2024-02)
    Liquid nanofilms are ubiquitous in nature and technology, and their equilibrium and out-of-equilibrium dynamics are key to a multitude of phenomena and processes. We numerically study the evolution and rupture of viscous ...
  • Direct numerical simulations of laminar and transitional flows in diverging pipes 
    Article dans une revue avec comité de lecture
    VITTAL SHENOY, Dhanush; SHADLOO, M. S.; PEIXINHO, Jorge; HADJADJ, Abdellah (Emerald, 2019)
    Purpose: Fluid flows in pipes whose cross-sectional area are increasing in the stream-wise direction are prone to separation of the recirculation region. This paper aims to investigate such fluid flow in expansion pipe ...

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