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The accelerated laboratory test of biodegradable fluid type "ertto"

Author

Listed:
  • Z. Tkáč

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • R. Majdan

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • Š. Drabant

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • J. Jablonický

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • R. Abrahám

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • P. Cvíčela

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

Abstract

The accelerated laboratory tests can evaluate the properties of new biodegradable fluids under relatively short time. These test results are the ground for the continuity of the tests under operation conditions in machine. The paper presents the test of new biodegradable hydraulic fluid type "Environmentally responsible tractor transmission oil" by designed special test device. The test evaluation was realized by technical state of concrete hydrostatic pump UD 25 which is used in tractors Zetor Forterra. This pump was loaded by cyclic pressure loading during the test with tested fluid. The evaluated parameter was flow efficiency of hydrostatic pump which reached the value 7.3% after the test. The reached value hints a high quality of the tested fluid (the limit value per standard is the flow efficiency decrease - 20%).

Suggested Citation

  • Z. Tkáč & R. Majdan & Š. Drabant & J. Jablonický & R. Abrahám & P. Cvíčela, 2010. "The accelerated laboratory test of biodegradable fluid type "ertto"," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 56(1), pages 18-25.
    • Handle: RePEc:caa:jnlrae:v:56:y:2010:i:1:id:26-2009-rae
    DOI: 10.17221/26/2009-RAE
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    Cited by:

    1. Juraj Tulík & Ľubomir Hujo & Jan Kosiba & Juraj Jablonický & Michela Jánošová, 2017. "Evaluation of new biodegradable fluid on the basis of accelerated durability test, FTIR and ICP spectroscopy," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 63(1), pages 1-9.

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