Dripping, jetting and tip streaming
Jose M. Montanero, Alfonso M. Ganan-Calvo

TL;DR
This review comprehensively links fluid mechanics and microfluidics perspectives on dripping, jetting, and tip streaming, covering theoretical models, stability, mechanisms, and applications in droplet production.
Contribution
It provides an integrated overview connecting fundamental theories with practical microfluidic configurations for droplet and bubble generation.
Findings
Analysis of jet stability affected by viscoelasticity, electric fields, and surfactants
Scaling laws for predicting droplet sizes in microfluidic devices
Identification of parameter windows for tip streaming phenomena
Abstract
Dripping, jetting and tip streaming have been studied up to a certain point separately by both fluid mechanics and microfluidics communities, the former focusing on fundamental aspects while the latter on applications. Here, we intend to review this field from a global perspective by considering and linking the two sides of the problem. In the first part, we present the theoretical model used to study interfacial flows arising in droplet-based microfluidics, paying attention to three elements commonly present in applications: viscoelasticity, electric fields and surfactants. We review both classical and current results about the stability of jets affected by these elements. Mechanisms leading to the breakup of jets to produce drops are reviewed as well, including some recent advances in this field. We also consider the relatively scarce theoretical studies on the emergence and stability…
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