Review on Microbubbles and Microdroplets Flowing through Microfluidic Geometrical Elements

• Type: Another Publication in an International Scientific Journal
• Date: 2020

Authors

Cerdeira, ATS (Author) FEUP; Campos, JBLM (Author) FEUP; Miranda, JM (Author) FEUP; Araujo, JDP (Author) FEUP

Journal

Title: Micromachines

Vol. 11

Final page: 201

ISSN: 2072-666X

Publisher: MDPI

Indexing

ISI Web of Knowledge - 2 Citations

Scopus - 9 Citations

Other information

Authenticus ID: P-00R-T2H

DOI: 10.3390/mi11020201

Abstract (EN): Two-phase flows are found in several industrial systems/applications, including boilers and condensers, which are used in power generation or refrigeration, steam generators, oil/gas extraction wells and refineries, flame stabilizers, safety valves, among many others. The structure of these flows is complex, and it is largely governed by the extent of interphase interactions. In the last two decades, due to a large development of microfabrication technologies, many microstructured devices involving several elements (constrictions, contractions, expansions, obstacles, or T-junctions) have been designed and manufactured. The pursuit for innovation in two-phase flows in these elements require an understanding and control of the behaviour of bubble/droplet flow. The need to systematize the most relevant studies that involve these issues constitutes the motivation for this review. In the present work, literature addressing gas-liquid and liquid-liquid flows, with Newtonian and non-Newtonian fluids, and covering theoretical, experimental, and numerical approaches, is reviewed. Particular focus is given to the deformation, coalescence, and breakup mechanisms when bubbles and droplets pass through the aforementioned microfluidic elements.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 22