Consideration of the tube radial distribution of the carrier solvents in a capillary tube under laminar flow conditions and computer simulation.
When the ternary mixed solvents of a water-hydrophilic/hydrophobic organic solvent mixture are delivered under microspace under laminar flow conditions, the solvent molecules are radially distributed in the microspace, and generate a major inner phase and a minor outer phase.  We call this fluidic phenomenon as the tube radial distribution phenomenon (TRDP).  In this paper, phase formation in the TRDP was collectively considered based on experimental data, such as the inner and outer phase formation in a microchannel under laminar flow conditions, the phase diagram for the ternary mixed solvents, the solvent-component ratios required for the TRDP, and the phase transformation in a batch vessel above atmospheric pressure, which were mainly reported in our previous papers.  Furthermore, the formation of inner and outer phases in a capillary tube was simulated with the two-component solvents mixture model of water and ethyl acetate.  Phase formations in capillary tubes were expressed through computer simulations.
Department of Chemical Engineering and Materials Science, Faculty of Science and Engineering, Doshisha University, Kyotanabe, Kyoto, Japan.
Naoya
N
Jinno
Yuji
Y
Masuhara
Tomoya
T
Kobayashi
Naoya
N
Tainaka
Yusuke
Y
Tanigawa
Masahiko
M
Hashimoto
Kazuhiko
K
Tsukagoshi
D000085:Acetates / Q000737:chemistry*; D003198:Computer Simulation; D057927:Hydrophobic and Hydrophilic Interactions; D046210:Microfluidic Analytical Techniques; D012997:Solvents / Q000737:chemistry; D014867:Water / Q000737:chemistry*
D000085:Acetates; D012997:Solvents; D014867:Water; C007650:ethyl acetate