How Thermometer Works? A general increase in viscosity at higher temperatures, which results in lower oil consumption and less wear. Viscosity regulator is an “L” shaped instrument which consists of a small gear pump that rotates at a constant slow speed of 40 rpm.

At first I balked because I didn’t trust the lighter grades. Your article is amazing and yeah viscosity chart is very helpful. It means that the viscosity of an oil is the first and most important consideration when selecting an oil for a specific application. If the viscosity is too high, it won’t flow as readily and your engine will work harder and burn more fuel.

Its helpful to think of it in these terms: Thin and light describe fluids with low viscosity; Thick and heavy describe fluids with high viscosity; Motor oil viscosity chart. For years that was the standard belief on lubrication (I’m 65). Viscosity is a measure of that internal friction, or its resistance to flow.

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The key is to use a lubricant with the correct viscosity for the application. Not all oils respond in the same way to a given change in temperature. Dynamic vs. Kinematic Viscosity: What's the Difference?

0W-20) flows faster than high-viscosity oil (e.g. The higher the VI of an oil, the less its viscosity is altered by temperature changes.

Over time it seemed that these lighter oils was doing the job so I finally gave in. Heat that same syrup up, and it becomes a low viscosity oil that's thinner and runnier. Viscosity affects heat generation in bearings, cylinders and gear sets related to an oil's internal friction. Viscosity of high fuel oils can be reduced by raising its temperature with the help of a fuel oil heater. Controlling the viscosity of fuel oil is an important aspect of an efficient combustion. In food industry the food parts are flowing through pipes. 0W), the faster the oil flows when cold and the easier your engine turns over to start. The lower the “W” rating (e.g. Now, I see that 0w16 is coming and there is talk of 0w8. synthetics are superior to conventional oil, Low Engine Oil? Generally, fuel oil viscosity is regulated between 10-15 centistrokes at 50 degree Celsius. However, under certain conditions, such as shock loads, continuous heavy loading, extremely high temperatures and/or critically low (thin) viscosity, lubricants may not remain in their normal hydrodynamic film state. A high viscosity fuel oil leads to improper atomisation which in turn leads to incomplete combustion.High viscosity fuel prevents correct atomisation,which takes place in the fuel injectors.

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