Abstract
During the process of plant oil extraction major part of the power input transforms into thermal energy caused by friction. The evolved heat has a very significant effect on the quality of the oil. Our aim is to approach the real pressure and thermal phenomenon with the support of discrete element method (DEM) simulations. In the present stage of our research we have created a model with more complex geometry which represents the next stage of the evolutionary model development. The article presents our newest results.
Highlights
The plant oil extraction is a process with high energy consumption
2 Materials and methods 2.1 Discrete element method Discrete element method (DEM) is a discontinuous numerical method based on molecular dynamics
Former research has shown that virtual discrete element method (DEM) simulations were developed in correspondence with real tests [2]
Summary
The plant oil extraction is a process with high energy consumption. Major part of the delivered power transforms into heat. This general phenomenon caused by friction at the contacts of the seeds with each other and with the mechanical parts. The heat load can modify the quality of the oil by starting chemical alterations inside the material. Using cold pressing procedure over the clarity of oil seeds there is no need for any further treating. According to experiences cold pressing makes possible to get oil with low phosphor content which does not require any further processing to produce biodiesel. The process needs the information of the heat distribution inside the press machine to be sure about the parameters of the extracted plant oil
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