Centipoise = centistokes x specific gravity where specific gravity is assumed to be 0.8 (except for water). To find the exact cp of your fluid: cp = cSt x (weight per gallon x 0.120).

Is cSt same as cP?

Although the two terms are regularly interchanged, which is further complicated due to 1 cP being equal to 1 cSt, they are in fact two slightly different terms. cP is the expression for dynamic viscosity, or absolute viscosity of the oil, and is the measure of the fluids resistance to flow.

How do you calculate centistokes?

1 centistokes = 1 mm²•s^-1 = 10^-6m²•s^-1. The kinematic viscosity can also be called diffusivity of momentum since it has the same dimensions as the diffusivity of heat and diffusivity of mass concentration.

What is a centistoke equal to?

A centistokes (cSt) is a decimal fraction of the CGS unit of kinematic viscosity stokes, which is equal to centimeter per second (cm²/s). 1 stokes is a kinematic viscosity of a fluid with a density of 1 g/cm³ and a dynamic viscosity of 1 poise.

How do you convert viscosity units?

1. 1 Pascal second (Poiseuille) = 1000 Centipoise.
2. 1 Pascal second (Poiseuille) = 10 Dyne second / centimetre²
3. 1 Pascal second (Poiseuille) = 0.0102 Gram force seconds / centimetre²
4. 1 Pascal second (Poiseuille) = 10 Gram / centimetre second.

Unit of Viscosity - Dynamic Viscosity, Kinematic Viscosity Unit Conversions

Is centistokes equal to centipoise?

Centipoise = centistokes x specific gravity where specific gravity is assumed to be 0.8 (except for water). To find the exact cp of your fluid: cp = cSt x (weight per gallon x 0.120).

How do you convert viscosity to centipoise?

An easy way to convert from kinematic to dynamic viscosity is to multiply the value in centistokes by the specific gravity of the liquid to get the corresponding value in centipoise.

How do you convert centistokes to m2 S?

» Centistokes Conversions:

cSt↔m2/s 1 m2/s = 1000000 cSt.

How many Stokes are in a centistoke?

One centistokes is equal to 0.01 stokes.

How do you convert cSt to sus?

Multiply the cSt value by 4.664 if the test temperature was 210 F. The result is the cSt value converted to SUS. For example: 100 cSt tested at 210 F is equivalent to 466.4 SUS because 100 x 4.664 = 466.4.

How do you solve for fluidity?

The equation ϕ = B(V - V_o)/V_o, which reproduces the fluidity of simple liquids accurately over ranges between freezing and boiling points, is here shown to hold to pressures of at least 500 atm, and nearly to critical volumes.

How do I convert to cP?

A centipoise is one millipascal-second (mPa. s) in SI units. (1 cP = 10^-2P = 10^-3 Pa. s) Centipoise is properly abbreviated cP, but the alternate abbreviations cps and cPs are also commonly seen.

What is cSt oil weight?

Kinematic Viscosity is a measure of the fluids resistance to flow and shear under the forces of gravity, or how easily the oil flows to the different parts of the engine. Kinematic Viscosity (ASTM D445/ISO3105): 1 centi-Stoke (cSt) = 1 mm²/s.

What does sus mean in viscosity?

Saybolt Universal Seconds (SUS), which is the time in seconds for 60 milliliters of oil to flow through a standard orifice at a given temperature. This viscosity system is still in limited use, although it has been generally replaced by the ISO grading system. « Back to Glossary Index.

How do you convert Stokes to poise?

Stokes = A x Poise / (Fluid Density) where A = 1000, if the fluid density is measured in kg per cubic meter. That is, at standard pressure and 15 C temperature, the dynamic viscosity of air is roughly 0.000173 poise, and the kinematic viscosity of air is roughly 0.141 stokes.

What is viscosity mm2 s?

The commonly used kinematic viscosity is defined as a measure of the restrictive flow of a fluid under gravitational force. ... The SI unit for kinematic viscosity is one meter squared per second and is equivalent to 10,000 St. Usually, centistokes (cSt) is used (1 cSt = 0.01 St = 1 mm2/s).

What is a stoke unit?

Stokes (symbol: St) + centiStokes (symbol: cSt)

This is the CGS unit, equivalent to square centimetres per second (cm2 s–1). One stokes is equal to the viscosity in poise divided by the density of the fluid in grams per cubic centimetre (g·cm–3).

What is dynamic viscosity formula?

The dynamic viscosity η (η = "eta") is a measure of the viscosity of a fluid (fluid: liquid, flowing substance). The higher the viscosity, the thicker (less liquid) the fluid; the lower the viscosity, the thinner (more liquid) it is. SI unit of dynamic viscosity: [η] = Pascal-second (Pa*s) = N*s/m² = kg/m*s.

Can you calculate viscosity?

There are several formulas and equations to calculate viscosity, the most common of which is Viscosity = (2 x (ball density – liquid density) x g x a^2) ÷ (9 x v), where g = acceleration due to gravity = 9.8 m/s^2, a = radius of ball bearing, and v = velocity of ball bearing through liquid.

What is viscosity measured in CPS?

Centipoise (CPS) is the viscosity value that is assigned to liquids. It is a unit of dynamic viscosity, the typical type of viscosity we think of. A fluid with a low centipoise will flow and move easily and fast.

Is poiseuille a SI unit?

The poiseuille (symbol Pl) has been proposed as a derived SI unit of dynamic viscosity, named after the French physicist Jean Léonard Marie Poiseuille (1797–1869).

What is cSt in silicone oil?

Silicone oil is a liquid based siloxane that is part of the methyl silicone fluid system. It has a viscosity of 100 cSt with a refractive index of ~ 1.402 and a dielectric strength of ~ 14 kV/mm. It′s surface tension tends to increase with an increase in the viscosity.

What is cSt rating?

The CST rating is the viscosity of the silicone. The higher the number the ticker and silicone is 100,000 cSt is like Cold molasses. 1000 cSt it's more like vegetable oil.