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Issue 6, 2017
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Design protocol of microjet mixers for achieving desirable mixing times with arbitrary flow rate ratios

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Abstract

We extensively examined and discussed the performance of microjet mixers that consisted of two concentrically arranged tubes. The orientation of the feed streams with respect to the inner and outer inlets was the crucial factor for promoting the desired reaction. The Reynolds number after jetting and the velocity ratio of the inner and outer fluids were the key variables for promoting vigorous jetting and efficient mixing. By choosing the appropriate operating conditions, the microjet mixers exhibited excellent performance. The design protocol for microjet mixers was established based on mixing time measurements. We successfully maximized the throughput in one channel and numbered-up the microjet mixers. The microjet mixers also proved to be useful for treating viscous fluids with the appropriate choice of the feed orientation. The complete mixing of water with a 200 times more viscous fluid was achieved in 20 ms.

Graphical abstract: Design protocol of microjet mixers for achieving desirable mixing times with arbitrary flow rate ratios

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Publication details

The article was received on 25 Apr 2017, accepted on 01 Aug 2017 and first published on 01 Aug 2017


Article type: Paper
DOI: 10.1039/C7RE00051K
Citation: React. Chem. Eng., 2017,2, 830-841
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    Design protocol of microjet mixers for achieving desirable mixing times with arbitrary flow rate ratios

    S. Asano, S. Yamada, T. Maki, Y. Muranaka and K. Mae, React. Chem. Eng., 2017, 2, 830
    DOI: 10.1039/C7RE00051K

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