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  • Evaluating of oils condition in agricultural machinery is very important. With monitoring and evaluating we can prevent technical and economic losses. In this paper there were monitored the liquid lubricants taken from mobile thresher New Holland CX 860. Chemical and viscosity degradation of the lubricants were evaluated. Temperature dependence dynamic viscosity was observed in the range of temperature from --10 °C to 80 °C (for all oils). Considerable temperature dependence dynamic viscosity was found and demonstrated in case of all samples, which is in accordance with theoretical assumptions and literature data. Mathematical models were developed and tested. Temperature dependence dynamic viscosity was modeled using a polynomial 6th degree. The proposed models can be used for prediction of fl ow behavior of oils.
  • Evaluating of oils condition in agricultural machinery is very important. With monitoring and evaluating we can prevent technical and economic losses. In this paper there were monitored the liquid lubricants taken from mobile thresher New Holland CX 860. Chemical and viscosity degradation of the lubricants were evaluated. Temperature dependence dynamic viscosity was observed in the range of temperature from --10 °C to 80 °C (for all oils). Considerable temperature dependence dynamic viscosity was found and demonstrated in case of all samples, which is in accordance with theoretical assumptions and literature data. Mathematical models were developed and tested. Temperature dependence dynamic viscosity was modeled using a polynomial 6th degree. The proposed models can be used for prediction of fl ow behavior of oils. (en)
Title
  • Oils degradation in agricultural machinery
  • Oils degradation in agricultural machinery (en)
skos:prefLabel
  • Oils degradation in agricultural machinery
  • Oils degradation in agricultural machinery (en)
skos:notation
  • RIV/62156489:43210/13:00205522!RIV14-MSM-43210___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
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  • S
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 93551
http://linked.open...ai/riv/idVysledku
  • RIV/62156489:43210/13:00205522
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • viscosity degradation; modeling; chemical degradation; oils (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [42A685D5FD8F]
http://linked.open...i/riv/nazevZdroje
  • Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor
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http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 61
http://linked.open...iv/tvurceVysledku
  • Dostál, Petr
  • Kumbár, Vojtěch
issn
  • 1211-8516
number of pages
http://localhost/t...ganizacniJednotka
  • 43210
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