Poise Converter
Convert Poise to Hectostokes 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.
HectostokeshSt
Target UnitA hectostokes (hSt) is a unit of measurement for kinematic viscosity, defined as the ratio of dynamic viscosity to fluid density. Specifically, one hectostokes is equal to 100 centistokes (cSt), where 1 cSt is equivalent to 1 mm²/s. This unit is commonly used in the field of fluid dynamics and lubrication engineering, providing a standard measure of how a fluid flows under the influence of gravity. The use of hectostokes simplifies the representation of viscosity values for liquids, particularly in industrial applications.
Current Use
Hectostokes is commonly used in industries such as petrochemicals, food processing, and pharmaceuticals, where understanding the flow properties of fluids is essential. It is particularly useful in quality control, ensuring that products meet the necessary viscosity specifications for processing and application. Laboratories and research institutions also utilize hectostokes for accurate scientific assessments of fluid behavior.
Fun Fact
The stokes unit is often considered an 'antique' unit of measurement in modern 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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Hectostokes
viscosity • Non-SI
Definition
A hectostokes (hSt) is a unit of measurement for kinematic viscosity, defined as the ratio of dynamic viscosity to fluid density. Specifically, one hectostokes is equal to 100 centistokes (cSt), where 1 cSt is equivalent to 1 mm²/s. This unit is commonly used in the field of fluid dynamics and lubrication engineering, providing a standard measure of how a fluid flows under the influence of gravity. The use of hectostokes simplifies the representation of viscosity values for liquids, particularly in industrial applications.
History & Origin
The hectostokes unit was derived from the stoke (St), named after the British engineer Sir George Stokes. The stoke itself was established in the late 19th century as a measure of kinematic viscosity, and its derivatives, including hectostokes, have gained popularity in various scientific and engineering contexts. The introduction of the centistoke (cSt) simplified the measurement of viscosity for many practical applications, leading to the adoption of hectostokes as a larger unit for ease of use.
Etymology: The term 'hecto' originates from the Greek word 'hekaton,' meaning one hundred, while 'stokes' refers to Sir George Stokes, who contributed significantly to fluid dynamics.
Current Use
Hectostokes is commonly used in industries such as petrochemicals, food processing, and pharmaceuticals, where understanding the flow properties of fluids is essential. It is particularly useful in quality control, ensuring that products meet the necessary viscosity specifications for processing and application. Laboratories and research institutions also utilize hectostokes for accurate scientific assessments of fluid behavior.
💡 Fun Facts
- •The stokes unit is often considered an 'antique' unit of measurement in modern fluid dynamics.
- •Hectostokes is particularly useful in industries where large volumes of fluids are processed, such as oil refining.
- •The viscosity of some fluids can change significantly with temperature, leading to different hectostokes values at varying conditions.
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