This research aims to simulate a gravity flow fractionationââ?¬â?the process to\nfractionate erythrocytes through gravitational field using ANSYS simulation\nsoftware. A particular microfluidic channel was designed as a separation device.\nThe gravitational equilibrium conditions of the erythrocytes and gravitational\nfield as the parameters were chosen, then deriving the erythrocytesââ?¬â?¢\npath through numerical simulations. After the actual analog measurements,\nthere is no big difference between the flow velocity and the pressure under\n+/âË?â??10% atmosphere condition. According to the simulation results, the particle\nwith the size 8 Ã?¼m (similar to the erythrocyte size) can be separated to the\noutside channel and discharged from the collecting area, other particles with\nthe size 9 Ã?¼m will stay in the fluid motion and can be collected in the final\ncollection area for preservation. Through the analog analysis by using the\nsoftware-ANSYS-Fluent, the complete flowing path of the particles and the\nfeasibility of the Gravity-Flow Fractionation can be directly proven.
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