Mixing energy investigations in a liquid vessel that is mixed by using a rotating magnetic field |
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| Affiliation: | 1. College of Engineering and Technology, Southwest University, Chongqing 400715, PR China;2. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, PR China;3. Department of Engineering Mechanics, Chongqing University, Chongqing 400044, PR China;4. School of Civil Engineering, The University of Sydney, NSW 2006, Australia;1. School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, China;2. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China |
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| Abstract: | The purpose of the present report is, first, to develop the basic equations and similarity criteria governing the mixing system with the magnetic particles under the effect of a rotating magnetic field (RMF); second, to carry out the experimental investigations dealt with the power consumption and mixing time under the action of RMF. Dimensionless correlations are proposed to predict power consumption and the mixing time in the analyzed mixing system. The study relates to the mixing energy defined as the product of the power input and the mixing time in a tested experimental set-up. The data obtained for mixing efficiency was correlated in terms of the modified Reynolds number which can be used for predictions of mixing process in systems with the magnetic particles. The magnetic particle may be treated as a miniaturized mixer and it may offer a unique alternative approach to mixing. The satisfactory comparison indicates that the mixing process under the action RMF has the significantly higher of the energy consumption than the classical agitators. |
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