Coalescence in foams and emulsions: similarities and differences

D Langevin - Current Opinion in Colloid & Interface Science, 2019 - Elsevier
Coalescence in emulsions and foams is far from being understood, despite many years of
investigations. The phenomenon is not easy to be characterized because it is extremely …

Aqueous foams and foam films stabilised by surfactants. Gravity-free studies

D Langevin - Comptes Rendus. Mécanique, 2017 - comptes-rendus.academie-sciences …
Foams are dispersions of gas bubbles in liquids or solid matrices [1]. They occur widely in
nature and are used in important industrial processes and commercial applications [2, 3] …

Investigation on air-voids structure and compressive strength of concrete at low atmospheric pressure

X Zeng, X Lan, H Zhu, G Long, Y **e - Cement and Concrete Composites, 2021 - Elsevier
This study has investigated the characteristics of air-voids structure and compressive
strength of air-entrained concrete at normal atmospheric pressure (P= 1 atm) area and low …

[HTML][HTML] A review on bubble stability in fresh concrete: Mechanisms and main factors

X Zeng, X Lan, H Zhu, H Liu, HA Umar, Y **e, G Long… - Materials, 2020 - mdpi.com
In order to improve the stability of air bubbles in fresh concrete, it is of great significance to
have a better understanding of the mechanisms and main influencing factors of bubble …

Thermodynamic and mechanical timescales involved in foam film rupture and liquid foam coalescence

E Rio, A Biance - ChemPhysChem, 2014 - Wiley Online Library
Recent advances in the coalescence in liquid foams are reviewed, with a special focus on
the multiscale structure of foams. Studies concerning the stability of isolated foam films, on …

How nano-bubble water and nano-silica affect the air-voids characteristics and freeze-thaw resistance of air-entrained cementitious materials at low atmospheric …

X Lan, H Zhu, X Zeng, G Long, Y **e - Journal of Building Engineering, 2023 - Elsevier
With more infrastructures being built in plateau regions, low atmospheric pressure is put
forward as a new factor affecting the mechanical properties and durability of cementitious …

Bubble coalescence in pure liquids and in surfactant solutions

D Langevin - Current Opinion in Colloid & Interface Science, 2015 - Elsevier
The mechanisms for bubble coalescence in the absence of surfactants were clarified,
including for salt solutions. No complete model is available yet for surfactant solutions. The …

Life and death of not so “bare” bubbles

L Champougny, M Roché, W Drenckhan, E Rio - Soft matter, 2016 - pubs.rsc.org
In this paper, we investigate how the drainage and rupture of surfactant-stabilised bubbles
floating at the surface of a liquid pool depend on the concentration of surface-active …

Studying coalescence at different lengthscales: from films to droplets

E Chatzigiannakis, Y Chen, R Bachnak, CS Dutcher… - Rheologica Acta, 2022 - Springer
The hydrodynamics of thin films is an important factor when it comes to the stability and
rheology of multiphasic materials, such as foams, emulsions, and polymer blends. However …

[HTML][HTML] Bubble evolution under the action of polycarboxylate and air-entraining agent and its effects on concrete properties—a review

S **ang, Y Tan, Y Gao, Z Jiang, B Liu, W Zeng - Materials, 2022 - mdpi.com
In order to improve the performance of concrete, it is of great significance to have a better
understanding the mechanism and main influencing factors of concrete bubble evolution …