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Twin-Shaft Mixers' Mechanical Behavior Numerical Simulations of the Mix and Phases

Valigi, Logozzo, Landi, Braccesi, Galletti
2019 Machines  
In this paper, the mechanical behavior of concrete twin-shaft mixers is analyzed in terms of power consumption and exchanged forces between the mixture and the mixing organs during the mixing cycle. The mixing cycle is divided into two macro phases, named transient and regime phase, where the behavior of the mixture is modeled in two different ways. A force estimation and power consumption prediction model are presented for both the studied phases and they are validated by experimental
more » ... perimental campaigns. From the application of this model to different machines and by varying different design parameters, the optimization of the power consumption of the concrete twin-shaft mixers is analyzed. Results of this work can be used to increase productivity and profitability of concrete mixers and reduce energy waste in the industries which involve mixing processes.
doi:10.3390/machines7020039 fatcat:zqtx365ftrdrjhl35urxqkqewq