Qnami ProteusQ is a complete quantum microscope system developed on HORIBA AFM technology. The lower the number, the lower the HTHS viscosity of the oil and the higher the anticipated fuel efficiency benefits. Density is another major parameter, as possible ice bodies floating on top of the oil cause a safety hazard. What is essential is the correct balance of support as well as ease of movement. It is well-known from Hydrodynamic Lubrication Theory that viscosity plays a central role in the lubrication regime encountered in the machine element – the higher is the viscosity, the thicker is the oil film that separates the surfaces from touching each other. Sign up to get more bio related application notes! An increasing number of heavy-duty OEMs are pursuing HTHS viscosity below 3.2 cP in conjunction with modern engine hardware designs. Oil viscosity is graded by measuring the time it takes for a standard amount of oil to flow. Viscosity can also be measured using absolute (dynamic) viscosity techniques and reported in centipoise. Absolute techniques typically use rotational viscometers, whereas kinematic techniques will commonly use flow viscometers dependent on gravity.
If the film is too thick, you can barely move and must use more energy.
A fluid with low viscosity flows quickly, like water. Viscosity can also be measured by applying oscillating vibrations to the sample and monitoring the damping effects of the fluid. The classification and acknowledgment of the viscosity of these kinds of oils is vital, mainly in terms of production control and quality.
All methods listed above require understanding your product by measuring viscosity. Bruker’s most advanced FTIR spectrometer, combining s-SNOM and AFM-IR for high-performance nanoscale IR spectroscopy. In several steps, they can transfer huge quantity of voltage from within a power grid to the suitable magnitude required, e.g. Simply pour the test liquid into the cup. In this column, I'll explain the differences between them, and give a few tips on how to apply them to lubricating fluids. Based on this observation, it might be tempting to say that the gear oil requires more force to stir because it has a higher viscosity than the turbine oil. Arguably just as critical is real-world driving to ensure the lubricant works as intended throughout the drain interval.
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