This chapter provides an overview of dynamics and applications of pendant
drops. The pendant drop tensiometry is widely used in measurement of interfacial
tension and thus it is described in details including the historical development and the
state-of-the-art. The sensitivity of the method is discussed and the recent advancements
are presented. The stability and breakup of the pendant drop are also discussed in the
general context of jet instability. The multiphysics effects including the electric field,
viscoelasticity and surfactants are briefly reviewed focusing on their influence on
pendant drop instability.
Keywords: Drop breakup, Drop shape analysis, Electrical field, Non-Newtonian
effects, Pendant droplet, Surface tension measurement, Surfactants.
