Viscosity index improved examples include multipurpose tractor transmission fluids, automatic transmission fluids, power steering fluids, industrial gear oils, and more. And its viscosity index is calculated at mm2 /s. H = At viscosity index 49°c, kinematic viscosity 100 of oil comes with similar dynamic viscosity as the oil at 100 ☌. Y = dynamic viscosity at 100° C of the petroleum product which VI requires to be calculated, mm2 /s. However, this article will give you a better understanding of viscosity index improvers. As the molecules expand, the internal friction of the fluid will increase, as a result of the fluid flow slower. The higher the viscosity index, the smaller the comparative change in thickness with temperature.Īs the temperature enhances, these molecules expand. The viscosity index is a measure of the change in viscosity of a liquid concerning temperature changes.
Final Word What Is the Viscosity Index?.Fill in zero (0) in the weight percent column (Wt%) if Base oil #3 and-or Base oil #4 are not part of the mixing viscosities. You can use this calculator to predict mixing viscosities of 2-4 base oils.
Viscosity temperature is not required but must be the same for all base oils viscosities.
Fill in zero 0 (or leave default “0”) in Wt % if not included in the blending calculations. Please note: Leave the default value of “1” in the viscosity field if blending less than two liquids. If you don’t want to include 3rd and 4th base oils, fill any value (>1) in the viscosity cell and zero (0) in the Wt%.Ĥ- Repeat the same for Base Oil #4 by filling in the viscosity and Wt% of the Base oil.ĥ- Click Calculate to predict the mixing viscosity of the blend. Viscosity Calculator #3ġ- Fill the viscosity of Base oil #1 and weight percent (Wt%) in the third (Wt%) column.Ģ- Fill in the viscosity of Base Oil #2 and weight percent (Wt%) in the next column.ģ- Fill in the weight percent (Wt%) and Base oil #3 viscosity in the 3rd row. Module #3: Mixing viscosities calculator to blend or mix more than two base fluids.
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