USE OF DISC SPRINGS IN A PELLET FUEL MACHINE FOR PRESSURE REGULATION AND PREVENTION OF DAMAGE

Authors

  • İsmet Çelik Dumlupinar University Mechanical Engineering
  • Ebubekir Can Güneş Dumlupinar University Mechanical Engineering

DOI:

https://doi.org/10.14311/AP.2017.57.0089

Keywords:

biomass pellet, pellet machine, disc spring, Almen–Laszlo, FEA, pelletizing pressure

Abstract

The use of biomass fuel pellets is becoming widespread as a renewable and environment-friendly energy. Pellet fuels are produced in various pellet machine types. Pellet machines encounter problems such as pressure irregularities and choke at the initial start for different kinds of biomass feedstock. In this study, disc springs are integrated into a vertical axis pellet machine for a pressure regulation and design optimization. Force-deformation and stress-deformation relations of disc springs are investigated using analytical and finite element methods. Pelletizing pressures were calculated based on disc spring force values using the Hertzian stress formula. Utilized disc springs ensured the pressure regulation, production efficiency increase and damage prevention on the die-roller mechanism.

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Author Biographies

  • İsmet Çelik, Dumlupinar University Mechanical Engineering
    Mechanical Engineering, Associate Professor
  • Ebubekir Can Güneş, Dumlupinar University Mechanical Engineering
    Mechanical Engineering, Research Assistant

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Published

2017-05-02

Issue

Vol. 57 No. 2 (2017)

Section

Articles

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How to Cite

Çelik, İsmet, & Güneş, E. C. (2017). USE OF DISC SPRINGS IN A PELLET FUEL MACHINE FOR PRESSURE REGULATION AND PREVENTION OF DAMAGE. Acta Polytechnica, 57(2), 89-96. https://doi.org/10.14311/AP.2017.57.0089