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Jun 5 – 11, 2022
McMaster University
America/Toronto timezone
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(G*) The Pendant Drop Experiment for Aggregates of Adhesive Granular Particles

Jun 8, 2022, 2:00 PM
MDCL 1010 (McMaster University)

MDCL 1010

McMaster University

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle) Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM) W2-9 Fluids and Granular Matter (DCMMP) | Fluides et matière granulaire (DPMCM)


Mrs Yasaman Heshmatzadeh (McMaster University)


There is interest in reproducing macroscopic continuous matter experiments
with granular systems to predict their properties and explore the analogues
between granular and continuum systems. The classic pendant drop
experiment can be used to measure interfacial tension in liquids. Here we
prepare a granular ‘liquid’, consisting of adhesive, frictionless,
monodisperse oil droplets in an aqueous solution, and perform a pendant
drop experiment to determine the effective surface tension of the granular
liquid. We tune parameters such as the buoyancy and the adhesion between
the granular particles and present a simple model to predict the ‘granular
surface tension’.

Primary author

Mrs Yasaman Heshmatzadeh (McMaster University)


Dr Jean-Christophe Ono-dit-Biot (McMaster University) Prof. Kari Dalnoki-Veress (McMaster University)

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