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Optimization of a split and recombine micromixer by improved exploitation of secondary flows

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Abstract Flow pattern in two split and recombine (SAR) micromixers were experimentally studied by μ -LIF measurements to validate corresponding CFD simulations. The original design of the investigated micromixer type… Click to show full abstract

Abstract Flow pattern in two split and recombine (SAR) micromixers were experimentally studied by μ -LIF measurements to validate corresponding CFD simulations. The original design of the investigated micromixer type is based on the repetition of identical SAR segments of a specific geometry. Aside a micromixer following this original design, the second micromixer investigated alternates two SAR segments versions, one being the original one, the other being an inverted and rotated version of it. The results of the simulations indicate that the secondary flows developing in the original design reduce the mixing performance for Re

Keywords: recombine micromixer; micromixer; optimization split; secondary flows; original design; split recombine

Journal Title: Chemical Engineering Journal
Year Published: 2018

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