CO<sub>2</sub>-Driven diffusiophoresis and water cleaning: similarity solutions for predicting the exclusion zone in a channel flow
Suin Shim, Mrudhula Baskaran, Ethan H. Thai, Howard A. Stone
Abstract
We study diffusiophoretic exclusion zone (EZ) formation in rectangular channel flow, driven by CO 2 dissolution from one side wall. By using a similarity transform and considering the flow structure, we obtain the relation between EZ and the wall shear rate.
Topics & Concepts
Similarity (geometry)DissolutionFlow (mathematics)Channel (broadcasting)Similarity solutionVolumetric flow rateMechanicsShear rateMaterials scienceBiological systemComputer scienceEngineeringChemical engineeringPhysicsArtificial intelligenceComposite materialBiologyTelecommunicationsImage (mathematics)Boundary layerViscosityChemical and Physical StudiesElectrostatics and Colloid InteractionsMicro and Nano Robotics