Zhijie Zhang, Zichen Wang, Zhaodong Yang, Yang Wang, Wei Liang
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引用次数: 0
Abstract
In this work, we propose a ternary phase-field model for separation of water from a water/oil mixed drop using Lamb waves. In this model, we describe a Cahn–Hilliard/Navier–Stokes model for the simulation of incompressible flows composed of three immiscible components, where surface tension, gravity, and the acoustic streaming force of Lamb waves act on a water/oil mixed drop are taken into account through volumic forces. To test the present model, we further conduct separation experiments of oil–water mixtures driven by surface acoustic waves on a non-piezoelectric substrate. The numerical results are in good agreement with the experimental solutions illustrate that present model has the good capability in the study of the separation of water from a water/oil mixed drop using Lamb waves.
期刊介绍：
Microgravity Science and Technology – An International Journal for Microgravity and Space Exploration Related Research is a is a peer-reviewed scientific journal concerned with all topics, experimental as well as theoretical, related to research carried out under conditions of altered gravity.
Microgravity Science and Technology publishes papers dealing with studies performed on and prepared for platforms that provide real microgravity conditions (such as drop towers, parabolic flights, sounding rockets, reentry capsules and orbiting platforms), and on ground-based facilities aiming to simulate microgravity conditions on earth (such as levitrons, clinostats, random positioning machines, bed rest facilities, and micro-scale or neutral buoyancy facilities) or providing artificial gravity conditions (such as centrifuges).
Data from preparatory tests, hardware and instrumentation developments, lessons learnt as well as theoretical gravity-related considerations are welcome. Included science disciplines with gravity-related topics are:
− materials science
− fluid mechanics
− process engineering
− physics
− chemistry
− heat and mass transfer
− gravitational biology
− radiation biology
− exobiology and astrobiology
− human physiology
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