Poise Converter
Convert Poise to Millistokes and more • 56 conversions
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Unit Explanations
PoiseP
Source UnitThe poise (symbol: P) is a unit of dynamic viscosity in the centimeter-gram-second (CGS) system of units. It is defined as the viscosity of a fluid that exerts a shear stress of one dyne per square centimeter when a velocity gradient of one reciprocal second is applied. In essence, one poise corresponds to a viscosity of 1 g/(cm·s). This unit is particularly useful in fields involving fluid mechanics and rheology, where the flow properties of liquids are analyzed.
Current Use
The poise is commonly used in laboratories and industries that deal with fluid properties, such as food processing, pharmaceuticals, and materials science. It is particularly relevant for measuring the viscosity of non-Newtonian fluids and biological fluids, such as blood, where understanding flow behavior is crucial. While the SI unit pascal-second is preferred in many scientific contexts, the poise remains popular in specific applications.
Fun Fact
The poise was historically significant in the study of blood flow, influencing medical research and treatments.
MillistokesmSt
Target UnitThe millistoke (mSt) is a measurement of kinematic viscosity, which describes a fluid's internal resistance to flow. It is defined as the kinematic viscosity of a fluid that has a dynamic viscosity of 1 centipoise and a density of 1 g/cm³. The stoke, the base unit, is derived from the CGS system and is equivalent to 10^−4 m²/s. Thus, 1 millistoke equals 10^−6 m²/s. This measurement is particularly useful in characterizing fluid behavior in various scientific and industrial applications, allowing for better understanding of fluid dynamics.
Current Use
Millistokes are widely used in industries that require precise knowledge of fluid behavior, such as petrochemicals, food processing, and pharmaceuticals. Engineers and scientists often measure the viscosity of fluids to ensure proper mixing, pumping, and processing conditions. In laboratories, millistokes are essential for characterizing new materials and conducting research in fluid dynamics.
Fun Fact
The stoke is named after Sir George Stokes, who is also known for his work on fluid dynamics.
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= × 1.00000How to Convert
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Poise
viscosity • Non-SI
Definition
The poise (symbol: P) is a unit of dynamic viscosity in the centimeter-gram-second (CGS) system of units. It is defined as the viscosity of a fluid that exerts a shear stress of one dyne per square centimeter when a velocity gradient of one reciprocal second is applied. In essence, one poise corresponds to a viscosity of 1 g/(cm·s). This unit is particularly useful in fields involving fluid mechanics and rheology, where the flow properties of liquids are analyzed.
History & Origin
The poise was named after the French scientist Jean Louis Marie Poiseuille, who made significant contributions to the study of fluid dynamics in the 19th century. His work focused on the flow of liquids in tubes, and he is best known for deriving Poiseuille's law, which describes the laminar flow of incompressible fluids. The term was introduced in the 19th century and has been widely used in scientific literature since then, particularly in relation to the study of blood viscosity and other biological fluids.
Etymology: The term 'poise' is derived from the surname of Jean Louis Marie Poiseuille, reflecting his foundational work in fluid dynamics.
Current Use
The poise is commonly used in laboratories and industries that deal with fluid properties, such as food processing, pharmaceuticals, and materials science. It is particularly relevant for measuring the viscosity of non-Newtonian fluids and biological fluids, such as blood, where understanding flow behavior is crucial. While the SI unit pascal-second is preferred in many scientific contexts, the poise remains popular in specific applications.
💡 Fun Facts
- •The poise was historically significant in the study of blood flow, influencing medical research and treatments.
- •One poise is equivalent to 0.1 pascal-seconds, showing the relationship between CGS and SI units.
- •The term 'centipoise' (cP) is commonly used in industries, where 1 P equals 100 cP, making it easier to express lower viscosities.
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Millistokes
viscosity • Non-SI
Definition
The millistoke (mSt) is a measurement of kinematic viscosity, which describes a fluid's internal resistance to flow. It is defined as the kinematic viscosity of a fluid that has a dynamic viscosity of 1 centipoise and a density of 1 g/cm³. The stoke, the base unit, is derived from the CGS system and is equivalent to 10^−4 m²/s. Thus, 1 millistoke equals 10^−6 m²/s. This measurement is particularly useful in characterizing fluid behavior in various scientific and industrial applications, allowing for better understanding of fluid dynamics.
History & Origin
The concept of kinematic viscosity dates back to the 19th century when scientists began quantifying fluid behavior. The stoke was named after Sir George Gabriel Stokes, who described the motion of viscous fluids in 1851. The millistoke was derived to provide a more practical subunit for measuring low viscosities, particularly in laboratory settings and industrial applications, where precise measurements are essential.
Etymology: The term 'millistoke' combines the prefix 'milli-' from Latin, meaning one-thousandth, with 'stoke,' named after Sir George Stokes.
Current Use
Millistokes are widely used in industries that require precise knowledge of fluid behavior, such as petrochemicals, food processing, and pharmaceuticals. Engineers and scientists often measure the viscosity of fluids to ensure proper mixing, pumping, and processing conditions. In laboratories, millistokes are essential for characterizing new materials and conducting research in fluid dynamics.
💡 Fun Facts
- •The stoke is named after Sir George Stokes, who is also known for his work on fluid dynamics.
- •Millistokes allow for better representation of low viscosity fluids, crucial in many industrial processes.
- •Kinematic viscosity is temperature-dependent, meaning the same fluid can have different mSt values at different temperatures.
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