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| Description
| - The goal of this paper describes kinematic viscosity and shear stress of two used engine oils, which have been taken from two different passenger cars. Kinematic viscosity and shear stress are two of the most important physical behaviours of fluids, especially lubricating fluids. In this paper the authors have focused on engine oil. Knowledge of these properties of engine oil is very important due to its lifetime. The experiments have been done using digital rotary rheometer Anton Paar DV-3 P with use of TR8 spindle and special adapter for a small amount of sample (20 mL). Two different engine oils have been observed--first from passenger car Renault Scenic with petrol engine (engine capacity 1.6 dm3) and the second from passenger car Škoda Roomster with diesel engine (engine capacity 1.4 dm3). Castrol Magnatec 10W-40 engine oil has been taken from Renault car and Shell Helix Ultra Extra 5W-30 engine oil has been taken from Škoda car. 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. Only first samples of used engine oils have been taken after raid of 20 km. All samples of used engine oils have been compared with new (unused) engine oils same specification. The measured values of kinematic viscosity and shear stress have been modeled using linear function. The coefficients of correlation R have been achieved high values (0.88-0.96). The obtained models can be used to prediction of engine oil flow behaviour.
- The goal of this paper describes kinematic viscosity and shear stress of two used engine oils, which have been taken from two different passenger cars. Kinematic viscosity and shear stress are two of the most important physical behaviours of fluids, especially lubricating fluids. In this paper the authors have focused on engine oil. Knowledge of these properties of engine oil is very important due to its lifetime. The experiments have been done using digital rotary rheometer Anton Paar DV-3 P with use of TR8 spindle and special adapter for a small amount of sample (20 mL). Two different engine oils have been observed--first from passenger car Renault Scenic with petrol engine (engine capacity 1.6 dm3) and the second from passenger car Škoda Roomster with diesel engine (engine capacity 1.4 dm3). Castrol Magnatec 10W-40 engine oil has been taken from Renault car and Shell Helix Ultra Extra 5W-30 engine oil has been taken from Škoda car. 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. Only first samples of used engine oils have been taken after raid of 20 km. All samples of used engine oils have been compared with new (unused) engine oils same specification. The measured values of kinematic viscosity and shear stress have been modeled using linear function. The coefficients of correlation R have been achieved high values (0.88-0.96). The obtained models can be used to prediction of engine oil flow behaviour. (en)
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| Title
| - Kinematic Viscosity and Shear Stress of Used Engine Oil
- Kinematic Viscosity and Shear Stress of Used Engine Oil (en)
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| skos:prefLabel
| - Kinematic Viscosity and Shear Stress of Used Engine Oil
- Kinematic Viscosity and Shear Stress of Used Engine Oil (en)
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| skos:notation
| - RIV/62156489:43210/13:00212884!RIV14-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/62156489:43210/13:00212884
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - raid; modeled; engine oil; kinematic viscosity; shear stress (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Agricultural Science and Technology A
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| http://linked.open...in/vavai/riv/obor
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| 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
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| http://linked.open...iv/tvurceVysledku
| - Dostál, Petr
- Votava, Jiří
- Kumbár, Vojtěch
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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