Youll have to do your own web research to find out if. The chemical composition of used mineralbased crankcase oil varies widely and depends on the original crude oil, the processes used during refining, the efficiency and type of engine the oil is lubricating, the gasoline combustion products, the additives added to the fuel and to the original oil. Sae 20w20 engine oil with viscosity specd at both 180 and. It is measured at specific temperature by hydrometer or automatic density meter. If you love your car, then you know just how important its engine is. Download of all files pdf is free for members, nonmembers have to use the guest. The lubricating oil for a diesel engine needs a variety of properties. Limited value characteristics of oils that condition the change of oil charging from engine are given in table 1. Physical properties of lubricants valvolinecummins. Oil must reduce friction and wear engine friction and wear are caused by interference contact of moving parts. Understanding the sae motor oil viscosity standard jc motors. Pdf lowerature behaviour of the engine oil researchgate. Army tankautomotive and armaments command, warren, mi abstract the thermal properties of engine oil are important traits affecting the ability of the oil to transfer heat from the engine.
The researchers in this work showed significant positive impact through the disposal of. Simply put viscosity is a physical property of a fluid or gas that reflects its tendency to flow. We commonly refer to high viscosity fluids as being thick and low viscosity fluids as being thin. Pdf properties of lubricants and lubrication hanif. The viscosity of an industrial oil is usually specified at. The remainder is a package of additives that confers properties essential to protecting the moving parts of gasoline and diesel engines. Common properties of lubricants that affect vehicle.
Pdf applicative monitoring of vehicles engine oil researchgate. Due to scarcity of petroleum products, the used engine oils can be used in engine as engine oil after purifying it. Interpretation of the characteristics of lubricating oil. Density density is fundamental physical property of oil. Lubricating oil is as important for an engine as blood for a human. To meet these requirements, most mineral based lubricating oils formulators involve reasonable dose of heavy metal, sulphur and phosphorus additives. Characteristics of used lubricating oils, their environmental impact. The aim of this work is to evaluate changes due to temperature and. The origin of several elements in the used motor oil. The aging of engine oil causes changes to its dynamic viscosity value. Pdf effect of used engine oil on properties of fresh and. This is reflected in engine oil performance and viscosity specifications. Physical properties of lubricants valvoline technical services page 1 following are the important properties of a lubricant.
Astm d4485, standard specification for performance of engine oils. The data of measured physical properties of the collected waste oil samples and fresh lubricating oil 2050 normally used for petrol vehicles, available in libya. An oil analysis will check for key properties of the oil and ensure that it. Combustion byproducts and other contaminants carried in the oil also add to.
Properties of fuel oil, fuel bunkering procedure and related marpol regulations. Plus50 ii is also recommended for use in all legacy diesel engine applications where plus50 has been in use. The chemical composition of used mineralbased crankcase oil varies widely and depends on the original. The less the oil viscosity changes with temperature, the better its lubricating. Monitoring physical and chemical characteristicsoil for lubrication.
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