The unit of kinematic viscosity is defined as follows.Ī stokes is defined as a centimeter squared per second. Calculator - Viscosity - Kinematic Conversions : Tables & Factors - Viscosity - Kinematic Conversion Tables. Refer to a unit in the Units package by indexing the name or symbol with the context, for example, stokes or St or, if the context is indicated as the default, by using only the unit name or symbol, for example, stokes or St. Viscosity - Kinematic Kilostoke, Stoke, Centistoke, square Meter/Second, square Centimeter/Second, square Millimeter/Second, square Foot/Second and more. Maple knows the units of kinematic viscosity listed in the following table.Īn asterisk ( * ) indicates the default context, an at sign indicates an abbreviation, and under the prefixes column, SI indicates that the unit takes all SI prefixes, IEC indicates that the unit takes IEC prefixes, and SI+ and SI- indicate that the unit takes only positive and negative SI prefixes, respectively. The SI composite unit of kinematic viscosity is the square meter per second. How kinematic viscosity changes with the change of its temperature.Kinematic viscosity has the dimension length squared per time. KV-T property of a petroleum fluid descripts It can be calculated under specified method. The larger the viscosity index, the more stable the viscosity with the change of temperature. It is calculated by measuring the duration in seconds necessary for a set volume of fluid to flow a known distance by gravity via a capillary within a calibrated viscometer at a well. 1 cSt ( centiStoke ) 1 mm 2 /s 10 6 m 2 /s. Other units are: 1 St ( Stoke ) 1 cm 2 /s 10 4 m 2 /s. Viscosity Index (VI) is a dimensionless quantity to evalulate the extent of how viscosity changes with the change of temperature. The SI unit of the kinematic viscosity is m 2 /s. The viscosity value is reported in Saybolt Universal seconds, abbreviated SUS, at a specified temperature. The kinematic viscosity of an oil is explained according to its resistance to flow and shear force under. Poise (P) is particularly used in ASTM standards as centipoises (cP). Poise (P) is the CGS unit of dynamic or absolute viscosity, named in honor of Jean Lonard Marie Poiseuille, a French physiologist.
Observing viscosity is important to oil analysis. So, the SI unit of kinematic viscosity ms. SI unit of kinematic viscosity is m 2 /s. SI unit of viscosity is (Pa·s) or kg·m-1·s-1. The corrected efflux time in seconds of 60 mL of sample flowing through a calibrated Universal orifice under specified conditions. Where, µ:-dynamic or absolute viscosity, :-density.
The Saybolt Universal Viscosity is obtained under specified testing method - ASTM D 88. SUV) can be converted to KV, and vice versa. The other units of Viscosity are N s m -2 or Pascal seconds (Ps) The coefficient of viscosity is a force when the velocity of the gradient is unity and. The formula of Viscosity, 2ga2() 9v 2 g a 2 ( ) 9 v. Kinematic viscosity is the ratio of dynamic viscosity to density of the fluid.The SI unit of the quantity is square meter per second (symbol m²/s).ĭynamic viscosity and kinematic viscosity can be calculated by each other here. Viscosity measures the resistance in the flow of a liquid which arises due to internal frictions between layers of the fluids. The SI unit of dynamic voscosity is pascal second (Pa Dynamic viscosity is the ratio of the shearing stress to rate of deformation according to Newton's law of viscosity.
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