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The valve-control dispensing method is one of the most common methods to dispense biological reagents in the field of life science, but it faces difficulties in control and impacts from the system parameters. Based on the two-phase volume of fluid model, a computing and simulating model of biological reagent droplet dispensing process is constructed. Through numerical simulation, the droplet formation...
Simulation results showed that the models which consist of the pillar array structure induced more droplet collisions than those models constructed by the circle block, semi-circle block, ellipsoid block, and bevel fins, and avoided the deflection of the droplets which was revealed in the serpentine model. In addition, within the VLM chip, the wall temperature was much higher than the fluid temperature...
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