Computational Flow Simulation for the Entire Nano-Filter

This paper describes the computational models to analyze fluid flow characteristics in a nano-filter made from silicon wafer, then illustrates analyses of the external and ion electric potential distribution, ion transport, and fluid flow velocity distribution. Although no optimization of the design parameters is attempted, the illustrative analyses using the computational model reveal that unless the nano-filter design is carefully optimized the flow distribution can become very nonuniform over the entire filter and thus inefficient.