Kinematic viscosity is the ratio of the fluids dynamic viscosity to the fluids density. The kinematic viscosity of a fluid is found by dividing the dynamic viscosity by the density of the fluid. All viscosity kinematic conversion online unit converter. Select the unit to convert to in the output units list. Conversion calculators convert between different units of measurement. However, due to the viscosity values of most common fluids, square centimeters per second cm 2 s is used more often. Dynamic viscosity is the tangential force per unit area shear or tangential stress required to move one horizontal plane with respect to the other at unit velocity when maintained a unit distance apart by the fluid velocity gradient or rate of shear.
This is a screen shot from the professional units conversion program uconeer from katmar software. How to use viscosity dynamic converter select the unit to convert from in the input units list. Absolute or dynamic viscosity online converter convert between dynamic. In table 2, we present most common units for viscosity and the conversion factors between them. Whereas dynamic viscosity is usually used to talk about how difficult it is to pour a fluid when a force acts upon it, kinematic viscosity refers to the fluids resistance when no force but gravity is. What is the difference between dynamic viscosity, kinematic viscosity and absolute viscosity. Fluid viscosity, sometimes referred to as dynamic viscosity or absolute viscosity, is the fluids resistance to flow, which is caused by a shearing stress within a flowing fluid and between a flowing fluid and its container. Kinematic viscosity is defined as the ratio of absolute or dynamic viscosity to density. How to use viscosity kinematic converter select the unit to convert from in the input units list. It is very flexible because you can select whatever units you want for each of the viscosities as well as for the density.
Kinematic viscosity online converter engineering toolbox. Dynamic, absolute and kinematic viscosities convert between centistokes cst, centipoises cp, saybolt universal seconds ssu and degree engler. For a conversion between dynamic and kinematic viscosity the correct density must be given. Kinematic viscosity conversion helps in converting different units of kinematic viscosity. Kinematic viscosity can be obtained by dividing the absolute viscosity of a fluid with the fluid mass density like. Kinematic viscosity can be obtained by dividing the absolute viscosity of a fluid with its mass density. Convert between different kinematic viscosity units centistokes, poise, lentor and. Enter the value to convert from into the input box on the left.
Dynamic vsicosity is the force required to maintain the fluid flow at a particular rate. The kinematic viscosity can also be determined by dividing the dynamic viscosity by the fluid density. Flow mass flow rate molar flow rate mass flux density molarity weight per volume dynamic viscosity kinematic viscosity surface tension permeability. The other kind of viscosity will be given in the lower box. Fill in either the dynamic or the kinematic viscosity, as well as the density of the fluid. The cgs physical unit for kinematic viscosity is the stokes abbreviated s or st, named after george gabriel stokes. Kinematic vs dynamic viscosity dynamic viscosity and kinematic viscosity are two important concepts discussed in fluid dynamics. Dynamic viscosity divided by the density of the liquid. Although dynamic and kinematic viscosity each have their own category in uconeer, they are related to each other directly through the fluid density. Fluid experiences resistance over each layer of it when subjected to deformation. Common units for dynamic and kinematic viscosity rheosense.
These are the most basic units used for viscosity but there is a large variety of units that are. The kinematic viscosity m2s is the ratio between the dynamic viscosity pa. Viscosity is a measure of the frictional properties of a liquid that causes a resistance to the normal flow of that liquid. Dynamic viscosity is also termed absolute viscosity and is the tangential force per unit area required to move one horizontal plane with respect to the other at unit velocity when maintained a unit distance apart by the fluid. Dynamic viscosity unit converter measurement conversion ai. Note that the conversion from absolute dynamic viscosity to kinematic. Kinematic viscosity conversion calculator converts stoke, square meter per second, centistokes, square foot per hour vice versa with metric conversion.
Kinematic viscosity converter kinematic viscosity is defined as the ratio of absolute or dynamic viscosity to density. What is the difference between dynamic and kinematic viscosity. These two concepts have a variety of applications in fields such as fluid dynamics, fluid mechanics, aerodynamics, chemistry, and even medical science. Viscosity related conversions viscosity dynamic poise, centipoise, pound forcesecondsquare inch, poundalsecondsquare foot, gramcentimetersecond, slugfootsecond, poundfootsecond and more. Kinematic and dynamic viscosity of diesel, biodiesel, and. It can convert a dynamic viscosity from one set of units to another, and similarly for kinematic viscosity. Flow mass flow rate molar flow rate mass flux density molarity weight per volume dynamic viscosity kinematic viscosity. Viscosity kinematic conversion free unit converter. Free online viscosity kinematic converter converts between 24 units of viscosity kinematic, including square metersecond, square meterhour m2h, square centimetersecond, square millimetersecond, etc. What is the difference between dynamic and kinematic. Poisestokes conversion kinematic and dynamic viscosity converter. Dynamic viscosity kinematic viscosity anton paar wiki.
Kinematic viscosity is the ratio of absolute or dynamic viscosity to density a quantity in. The quotient has units length squared divided by time. The conversion result will immediately appear in the output box. Conversion calculators convert between different units of. It is sometimes expressed in terms of centistokes cs or cst. Dynamic and kinematic viscosity conversion calculator. The calculator on this site is for informative purposes only and we make no claims as to the accuracy, completeness or fitness for any particular purpose of the results produced by our calculators. Kinematic viscosity unit conversion calculator gordon england.
Dynamic viscosity and kinematic viscosity cfd online. Relationship between dynamic and kinematic viscosity v. Because of the densitydependent relationship between kinematic and dynamic viscosity, two substances that have the same dynamic viscosity can have widely different kinematic viscosities. Kinematic viscosity converter convert kinematic viscosity.
A dynamic viscosity unit is to measure how thick the fluid is. Kinematic viscosity is the ratio of absolute or dynamic viscosity to density a quantity in which the force is external and independent of the mass of the fluid. Kinematic viscosity can be obtained by dividing the absolute viscosity of a. The higher the viscosity, the longer it takes to flow through the tube i.
Density actually provides a way to convert between a kinematic and a dynamic viscosity measurement. Dynamic and kinematic viscosity conversion calculator included in. Converting dynamic cp viscosity to kinematic cst viscosity rmw mechanical 28 jul 04 11. Difference between kinematic and dynamic viscosity. In order to convert the two, both the temperature and specific gravity of a substance are taken into account. What are the differences between dynamic and kinematic. Fluid viscosity properties, including dynamic viscosity.
What is the relationship between kinematic and dynamic. The relationship between these two properties is quite straightforward. Dynamic viscosity conversion calculator convert poise, pascal second, centipoise, millipoise, micropoise, kilopoise vice versa with metric conversion. Absolute, dynamic and kinematic viscosity engineering toolbox. Convert between units of kinematic viscosity using this online calculator.
Enter a value to convert and select units using the dropdown boxes. Kinematic viscosity is the ratio of absolute or dynamic viscosity to density a quantity in which no force is involved. Convert between different units of dynamic viscosity. Kinematic vs dynamic viscosity sgs polymer solutions. The two most common types of viscosity are dynamic and kinematic. Conversion calculators convert between different units. Dynamic viscosity also known as absolute viscosity is the measurement of the fluids internal resistance to flow while kinematic viscosity refers to. Kinematic viscosity measures the comparative rate at which a liquid or gas flows. The stokesst is the cgs physical unit for kinematic viscosity, named after george gabriel stokes, where 1 st 104 m 2 s.
Convert between different units of kinematic viscosity. Viscosity kinematic conversion online unit converter. You must know both the kinematic and dynamic viscosity of a gas or liquid to calculate its density. Kinematic viscosity converter hydraulics fluids unit. The conversions below are for fluid with density like water or specific gravity like one. Oil, fuel, gas are thick, so they have high viscosity at 20c, oil is 84 centipoise.
Viscosity of the fluid is the internal resistance to flow. The main difference between dynamic and kinematic viscosity is that dynamic viscosity is a measurement of how difficult it is for a fluid to flow whereas kinematic viscosity is the dynamic viscosity of a fluid divided by its density. Conversion between dynamic and kinematic viscosity. It also includes a calculator to convert between dynamic and kinematic viscosities by entering the density. Kinematic viscosity can be obtained by dividing the dynamic viscosity of a fluid by its density. Dynamic viscosity a characteristic of fluids and plastic solids, viscosity describes how resistant the given substance is to any form of deformation. The poise is often used with the metric prefix centi. Conversion of these quantities is equally important as measuring them. For example, the water is thin so its low viscous at 20c, 1.
Dynamic viscosity also known as absolute viscosity is the measurement of the fluids internal resistance to flow while kinematic viscosity refers to the ratio of dynamic viscosity to density. Also, explore many other unit converters or learn more about viscosity kinematic unit conversions. Dynamic, absolute and kinematic viscosity note that the conversion from absolute dynamic viscosity to kinematic viskosity depends on fluid density. For scientific, educational and general purposes to convert from one unit to another. The main difference between dynamic and kinematic viscosity is that dynamic viscosity is a measurement of how difficult it is for a fluid to flow whereas kinematic viscosity is the dynamic viscosity of a.