화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korea-Australia Rheology Journal, Vol.32, No.4, 319-329, November, 2020
DOI10.1007/s13367-020-0030-5  Export Citation
Flow and mixing characteristics of a groove-embedded partitioned pipe mixer
Hae In Jung, Jo Eun Park, Seon Yeop Jung1, Tae Gon Kang†, and Kyung Hyun Ahn1
  • School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang 10540, Republic of Korea
  • 1Institute of Chemical Process, School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
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We propose a groove-embedded partitioned pipe mixer (GPPM) and conduct an in-depth numerical study on the flow and mixing characteristics of the GPPM in the creeping flow regime. The GPPM is a variant of a previously reported mixer, the barrier-embedded partitioned pipe mixer (BPPM), and is designed to achieve better energy-efficient mixing compared to the BPPM. In this paper, we first introduce the working principle of the GPPM and its mixing protocols. Then, the flow system affected by mixing protocols and geometrical parameters of the GPPM is investigated using Poincare sections. As for mixing characteristics, the flux-weighted intensity of segregation is employed for quantitative mixing analysis. It turns out that a GPPM with a proper set of design parameters can indeed lead to a globally chaotic mixing. More importantly, the best GPPM showed better mixing in terms of energy consumption compared to its counterpart, the best BPPM.
Keywords:static mixer;chaotic advection;patterned surface;groove-embedded partitioned pipe mixer;numerical simulation
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