The behavior of capillary suspensions at diverse length scales: From single capillary bridges to bulk |
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| Institution: | 1. Karlsruhe Institute of Technology, Institute for Mechanical Process Engineering and Mechanics, Gotthard-Franz-Strasse 3, 76131 Karlsruhe, Germany;2. SCHOTT AG, Corporate R&D, Hattenbergstrasse 10, 55122 Mainz, Germany;1. Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou, 510640, PR China;2. College of Grain Engineering and Technology, Shenyang Normal University, Shenyang, 110034, PR China;3. Department of Bioengineering, College of Food Science, South China Agricultural University, Guangzhou, 510642, PR China;1. Mathematical Institute, University of Oxford, Woodstock Rd, Oxford OX2 6GG, United Kingdom;2. School of Mathematics, University of Birmingham, Edgbaston B15 2TT, United Kingdom;1. KU Leuven, Department of Chemical Engineering, B-3001 Leuven, Belgium;2. Karlsruhe Institute of Technology, Institute for Mechanical Process Engineering and Mechanics, 76131 Karlsruhe, Germany;1. KU Leuven, Department of Chemical Engineering, Celestijnenlaan 200f, 3001, Leuven, Belgium;2. Karlsruhe Institute of Technology, Institute for Mechanical Engineering and Mechanics, Gotthard-Franz-Strasse 3, 76131, Karlsruhe, Germany |
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| Abstract: | Liquid-liquid-solid systems are becoming increasingly common in everyday life with many possible applications. Here, we focus on a special case of such liquid-liquid-solid systems, namely, capillary suspensions. These capillary suspensions originate from particles that form a network based on capillary forces and are typically composed of solids in a bulk liquid with an added secondary liquid. The structure of particle networks based on capillary bridges possesses unique properties compared with networks formed via other attractive interactions where these differences are inherently related to the properties of the capillary bridges, such as bridge breaking and coalescence between adjacent bridges. Thus, to tailor the mechanical properties of capillary suspensions to specific requirements, it is important to understand the influences on different length scales ranging from the dynamics of the bridges with varying external stimuli to the often heterogeneous network structure. |
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| Keywords: | Capillary suspensions Rheology Capillary force Particle networks Dynamic wetting Graph theory |
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