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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F13%3A00205522%21RIV14-MSM-43210___
rdf:type
n13:Vysledek skos:Concept
dcterms:description
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.
dcterms:title
Oils degradation in agricultural machinery Oils degradation in agricultural machinery
skos:prefLabel
Oils degradation in agricultural machinery Oils degradation in agricultural machinery
skos:notation
RIV/62156489:43210/13:00205522!RIV14-MSM-43210___
n13:predkladatel
n17:orjk%3A43210
n4:aktivita
n8:S
n4:aktivity
S
n4:cisloPeriodika
5
n4:dodaniDat
n16:2014
n4:domaciTvurceVysledku
n5:9874143 n5:1363166
n4:druhVysledku
n11:J
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
93551
n4:idVysledku
RIV/62156489:43210/13:00205522
n4:jazykVysledku
n12:eng
n4:klicovaSlova
viscosity degradation; modeling; chemical degradation; oils
n4:klicoveSlovo
n6:oils n6:chemical%20degradation n6:viscosity%20degradation n6:modeling
n4:kodStatuVydavatele
CZ - Česká republika
n4:kontrolniKodProRIV
[42A685D5FD8F]
n4:nazevZdroje
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
n4:obor
n15:GB
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n16:2013
n4:svazekPeriodika
61
n4:tvurceVysledku
Kumbár, Vojtěch Dostál, Petr
s:issn
1211-8516
s:numberOfPages
7
n10:organizacniJednotka
43210