Chem & Physics Quiz
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A device uses laminar flow through a cylindrical capillary to deliver a drug solution. The designer can change only one parameter while keeping the others constant: pressure drop ΔP, tube length L, and fluid viscosity η remain fixed. Which modification is most effective for increasing the volumetric flow rate Q by approximately an order of magnitude (about 10×) while remaining within the Poiseuille-flow model?
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