The virus particles and beads are both dispersed in water, the flow rates in the feed channels are equal to each other, and the average flow rate in the mixing channel is 2.0 mm s¹ (assumed to be constant across the channel width). Estimate how long the mixing channel would have to be for the beads (diffusion coefficient D = 3.5 x 10-¹² m² s¹) to diffuse to the far side of the channel. 2

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Fluid Dynamics

(a)
The virus particles and beads are both dispersed in water, the flow rates in the
feed channels are equal to each other, and the average flow rate in the mixing
channel is 2.0 mm s¹ (assumed to be constant across the channel width).
Estimate how long the mixing channel would have to be for the beads (diffusion
coefficient D = 3.5 x 10-¹² m² s¹) to diffuse to the far side of the channel.
Transcribed Image Text:(a) The virus particles and beads are both dispersed in water, the flow rates in the feed channels are equal to each other, and the average flow rate in the mixing channel is 2.0 mm s¹ (assumed to be constant across the channel width). Estimate how long the mixing channel would have to be for the beads (diffusion coefficient D = 3.5 x 10-¹² m² s¹) to diffuse to the far side of the channel.
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