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Application of coupled CFD-DEM simulation to separation process in combine harvester cleaning devices

  • Book
  • © 2020

Overview

  • Presents material data for parameterization
  • Describes a strategic approach for approximation that can be applied to other problems
  • Helps readers set up and parameterize similar simulation models
  • Compares simulation and experimental results

Part of the book series: Fortschritte Naturstofftechnik (FNT)

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Table of contents (6 chapters)

Keywords

About this book

This book discusses the application of the coupled CFD-DEM approach for simulating the separation of grain and material other than grain in combine harvester cleaning devices. Based on a literature study, it describes the most important influencing factors and presents a database for particle parameterization. It investigates the separation process in two steps with differing levels of process abstraction. The first step involves numerical separation in a vertically oscillating box with airflow, and in the context of a sensitivity study, investigates the effect of selected material, contact and operating parameters on the target variables’ separation time and grain purity. In the second step, the numerical separation process was performed in a 200 mm wide segment of a combine harvester cleaning device. The numerical results were then compared with experimental investigations in order to confirm the method’s applicability. 

Authors and Affiliations

  • Institut für Naturstofftechnik, Technische Universität Dresden, Dresden, Germany

    Christian Korn

About the author

Christian Korn studied Mechanical Engineering at the Technical University of Dresden and has been a Research Assistant at the Chair of Agricultural Systems an Technology since 2010.


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