Synergistic and interference effects in coaxial mixers: Numerical analysis of the power consumption

Juan Huang; Gance Dai

doi:10.1016/j.cjche.2017.10.021

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Synergistic and interference effects in coaxial mixers: Numerical analysis of the power consumption

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Synergistic and interference effects in coaxial mixers: Numerical analysis of the power consumption
- Chinese Journal of Chemical Engineering Vol. 26, Issue 4, Pages: 684-694(2018)
- Affiliations：
  
  2 State Key Laboratory of Chemical Engineering, East China University of Science and Technology,Shanghai,China,200237
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.10.021
  CLC：
- Published：2018
- Accepted：
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Juan Huang, Gance Dai. Synergistic and interference effects in coaxial mixers: Numerical analysis of the power consumption[J]. Chin.J.Chem.Eng., 2018, 26(4): 684-694.
DOI：

Juan Huang, Gance Dai. Synergistic and interference effects in coaxial mixers: Numerical analysis of the power consumption[J]. Chin.J.Chem.Eng., 2018, 26(4): 684-694. DOI： 10.1016/j.cjche.2017.10.021.

摘要

Abstract

This paper is concerned with the design and application of coaxial mixers with the aid of analysis of interaction between each individual impeller. Two types of coaxial mixers pitched blade turbine (PBT)-helical ribbon (HR) and inner-outer HR operated in laminar regime were studied experimentally and numerically. The interaction implies synergistic and interference effects

which was revealed through the investigation of axial circulation rate

energy dissipation rate and power consumption. The influence factors including rotational speed ratio

rotating mode and impeller configuration were explored systematically. Quantitative analysis of power consumption involves three parameters:rate of variation in power consumption

interactive mode and ratio of power consumption. Analysis indicated that some important properties were embodied in the power curve. These properties are one-way and two-way interactions

critical speed ratio and dominant impeller. Finally

a new suggestion for power estimation was given.

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