Numerical modelling and experimental study of liquid evaporation during gel formation

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Abstract

Gels are promising materials in biotechnology and medicine as a medium for storing cells for bioprinting applications. Gel is a two-phase system consisting of solid medium and liquid phase. Understanding of a gel structure evolution and gel aging during liquid evaporation is a crucial step in developing new additive bioprinting technologies. A numerical and experimental study of liquid evaporation was performed. In experimental study an evaporation process of an agarose gel layer located on Petri dish was observed and mass difference was detected using electronic scales. Numerical model was based on a smoothed particle hydrodynamics method. Gel in a model was represented as a solid-liquid system and liquid evaporation was modelled due to capillary forces and heat transfer. Comparison of experimental data and numerical results demonstrated that model can adequately represent evaporation process in agarose gel.

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Pokusaev, B. G., & Khramtsov, D. P. (2017). Numerical modelling and experimental study of liquid evaporation during gel formation. In Journal of Physics: Conference Series (Vol. 925). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/925/1/012023

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