Impact of a heterogeneous liquid droplet on a dry surface: application to the pharmaceutical industry

Advances in Colloid and Interface Science
D A BolleddulaA Aliseda

Abstract

Droplet impact has been studied for over a hundred years dating back to the pioneering work of Worthington. In fact, much of his ingenuity contributed to modern day high speed photography. Over the past 40 years significant contributions in theoretical, numerical, and experimental work have been made. Droplet impact is a problem of fundamental importance due to the wealth of applications involved, namely, spray coating, spray painting, delivery of agricultural chemicals, spray cooling, inkjet printing, soil erosion due to rain drop impact, and turbine wear. Here we highlight one specific application, spray coating. Although most studies have focused their efforts on low viscosity Newtonian fluids, many industrial applications such as spray coating utilize more viscous and complex rheology liquids. Determining dominant effects and quantifying their behavior for colloidal suspensions and polymer solutions remains a challenge and thus has eluded much effort. In the last decade, it has been shown that introducing polymers to Newtonian solutions inhibits the rebounding of a drop upon impact, Bergeron et al. Furthermore Bartolo et al. concluded that the normal stress component of the elongational viscosity was responsible for the reb...Continue Reading

References

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Citations

Aug 31, 2013·International Journal of Pharmaceutics·Gregor Toschkoff, Johannes G Khinast
Jul 24, 2015·Journal of Pharmaceutical Sciences·Anjali M Agrawal, Preetanshu Pandey
Mar 2, 2011·International Journal of Pharmaceutics·William R Ketterhagen
Apr 2, 2014·Advanced Materials·Minxuan KuangYanlin Song
Jan 27, 2015·Journal of Colloid and Interface Science·Shilpa N BeesabathuniAmy Q Shen
Sep 13, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Yong Han YeongIlker S Bayer
May 17, 2014·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Ricardo D AndradeCristina Castro
Jan 25, 2019·Expert Opinion on Drug Discovery·Sina Azizi MachekposhtiRoger J Narayan
Nov 28, 2019·Optics Letters·Luc Biasiori-Poulanges, Hazem El-Rabii
Jul 15, 2016·Physical Review. E·Martin H Klein SchaarsbergHeinrich M Jaeger
May 18, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Qin XuHeinrich M Jaeger
Jun 14, 2021·Advances in Colloid and Interface Science·Siddharth ThakurDipankar Bandyopadhyay
Sep 2, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Lei YangPeng Zhang

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