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The numerical simulation of a new double swirl static mixer for gas reactants mixing

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Abstract For the nitrogen oxides removal processes, high performance gas mixer is deeply needed for the injection of NH3 or O3. In this study, a new type of double swirl… Click to show full abstract

Abstract For the nitrogen oxides removal processes, high performance gas mixer is deeply needed for the injection of NH3 or O3. In this study, a new type of double swirl static mixer in gas mixing was investigated using computational fluid dynamics (CFD). The results obtained using Particle Image Velocimetry (PIV) correlated well with the results obtained from simulation. The comparisons in pressure loss between the experimental results and the simulation results showed that the model was suitable and accurate for the simulation of the static mixer. Optimal process conditions and design were investigated. When L/D equaled 4, coefficient of variation (COV) was

Keywords: gas; double swirl; static mixer; mixer; simulation; swirl static

Journal Title: Chinese Journal of Chemical Engineering
Year Published: 2020

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