Considering that the collection of experimental data for all the possible modules and solute/solvent combinations would be prohibitively time consuming,it is useful to have a simple procedure to predict the permeation flux and rejection of different modules,based on the knowledge of the transport through the flat sheet membrane and the fluid dynamics and mass transfer characteristics of a small module.From a design and prediction point of view,there are still challenges to select/generate suitable correlations for describing the fluid dynamics and mass transfer characteristics inspiral-wound membrane modules
for OSN applications.