Manufacturers developing engines for heavy goods vehicles are carrying out research, but have yet to deliver any concrete results. This brings many challenges with respect to the maintenance of the correct protection and durability – within the correct oil formulas.įor the time being, these innovations are only applicable to hardware for passenger vehicles. There is a very big chance that engine manufacturers will have to redesign their engines: it is only with the right type of engine that users will benefit from this “new” low-viscosity oil.Īs previously described, new additives must be developed to add to this “new” oil. HTHS: The Single Test High Temperature High Shear Viscometer is mainly used to determine the apparent viscosity of lubricating oil at high temperature and high. Therefore, the development of new additives for these ultra-thin oils for high-performance engines is crucial.Requirement for new designs The shear stability of an oil is the property which. Viscosity decreases rapidly with increasing temperature because the mobility of the fluid molecules becomes hyperactive as gas is desorbed and lighter fractions of the fluid vaporize. As part of the experiment, the changes in engine. The reduction in fluid viscosity is one of the most obvious effects of high-temperature operation. But it can also result in an increased risk of damage and cause critical engine parts to wear out faster. The direction and intensity of changes in high-temperature high-shear (HTHS) viscosity have been analyzed. HTHS-viscosity can result in fuel savings throughout the course of the entire oil change interval.
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