| Attributes | Values |
|---|
| rdf:type
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| rdfs:seeAlso
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| Description
| - This paper deals with differences in engine oil degradation in spark-ignition (SI) engine and compression-ignition (CI) engine. Three important physical-mechanical behaviours were observed -- dynamic viscosity, kinematic viscosity, and shear stress. These behaviours of lubricant may influence reliability of entire engine. It must be monitored engine oil condition in suitable intervals. Article describes these issues for two engine oils taken from two different passenger cars with SI engine and with CI engine. The experiments have been done using digital rotary rheometer Anton Paar DV-3P with use of standard TR8 spindle and special adapter for a small amount of sample. Service interval of change oil has been set to 15,000 km and samples of used engine oils have been taken after 1,500 km from both engines. All samples of used engine oils have been compared with new engine oils same specification -- it is the best method to degradation detection. The measured values of dynamic viscosity, kinematic viscosity and shear stress have been modeled using elementary mathematical model -- linear function. The absolute values of correlation coefficients, r, and coefficient of determination, R2, have been achieved very high values. The obtained mathematical models can be used to prediction of engine oil flow behaviour and can increased engine reliability.
- This paper deals with differences in engine oil degradation in spark-ignition (SI) engine and compression-ignition (CI) engine. Three important physical-mechanical behaviours were observed -- dynamic viscosity, kinematic viscosity, and shear stress. These behaviours of lubricant may influence reliability of entire engine. It must be monitored engine oil condition in suitable intervals. Article describes these issues for two engine oils taken from two different passenger cars with SI engine and with CI engine. The experiments have been done using digital rotary rheometer Anton Paar DV-3P with use of standard TR8 spindle and special adapter for a small amount of sample. Service interval of change oil has been set to 15,000 km and samples of used engine oils have been taken after 1,500 km from both engines. All samples of used engine oils have been compared with new engine oils same specification -- it is the best method to degradation detection. The measured values of dynamic viscosity, kinematic viscosity and shear stress have been modeled using elementary mathematical model -- linear function. The absolute values of correlation coefficients, r, and coefficient of determination, R2, have been achieved very high values. The obtained mathematical models can be used to prediction of engine oil flow behaviour and can increased engine reliability. (en)
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| Title
| - Differences in engine oil degradation in spark-ignition and compression-ignition engine
- Differences in engine oil degradation in spark-ignition and compression-ignition engine (en)
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| skos:prefLabel
| - Differences in engine oil degradation in spark-ignition and compression-ignition engine
- Differences in engine oil degradation in spark-ignition and compression-ignition engine (en)
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| skos:notation
| - RIV/62156489:43210/14:00223471!RIV15-MSM-43210___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62156489:43210/14:00223471
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - engine; lubricant; reliability; degradation; modelling (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Eksploatacja i Niezawodnosc - Maintenance and Reliability
|
| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Votava, Jiří
- Kumbár, Vojtěch
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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