Poise Converter
Convert Poise to Decistokes 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.
DecistokesdSt
Target UnitDecistokes (dSt) is a unit of kinematic viscosity, representing the ratio of dynamic viscosity (in pascal-seconds) to fluid density (in kilograms per cubic meter). One decistoke is defined as one-tenth of a stoke, which is the viscosity of a fluid that allows a sphere of 1 cm diameter to fall under gravity at a rate of 1 cm/s in standard conditions. The stoke is a non-SI unit, but decistokes are widely used in various industries, especially in the context of lubricants and fuel oils where precise viscosity measurement is crucial.
Current Use
Decistokes are commonly used in various industries for measuring the kinematic viscosity of fluids. They are particularly prevalent in the petroleum industry for analyzing lubricants and fuels, where precise viscosity is essential for performance and safety. Additionally, decistokes are employed in food processing and chemical manufacturing, where fluid properties impact the quality and consistency of products. Laboratories and quality control processes utilize decistokes to ensure compliance with specifications and standards.
Fun Fact
The stoke is named after Sir George Gabriel Stokes, who formulated the Stokes' law of viscosity.
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= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
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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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Decistokes
viscosity • Non-SI
Definition
Decistokes (dSt) is a unit of kinematic viscosity, representing the ratio of dynamic viscosity (in pascal-seconds) to fluid density (in kilograms per cubic meter). One decistoke is defined as one-tenth of a stoke, which is the viscosity of a fluid that allows a sphere of 1 cm diameter to fall under gravity at a rate of 1 cm/s in standard conditions. The stoke is a non-SI unit, but decistokes are widely used in various industries, especially in the context of lubricants and fuel oils where precise viscosity measurement is crucial.
History & Origin
The concept of viscosity dates back to the early 18th century when scientists like Sir Isaac Newton began studying the flow of liquids. The stoke was named after the British engineer Sir George Gabriel Stokes, who contributed significantly to fluid dynamics in the 19th century. The decistoke, being a subdivision of the stoke, emerged as a more practical unit for measuring lower viscosities in various industrial applications, allowing for more precise measurements that cater to specific fluid characteristics.
Etymology: The term 'decistoke' combines the prefix 'deci-', meaning one-tenth, with 'stoke', derived from the name of Sir George Gabriel Stokes.
Current Use
Decistokes are commonly used in various industries for measuring the kinematic viscosity of fluids. They are particularly prevalent in the petroleum industry for analyzing lubricants and fuels, where precise viscosity is essential for performance and safety. Additionally, decistokes are employed in food processing and chemical manufacturing, where fluid properties impact the quality and consistency of products. Laboratories and quality control processes utilize decistokes to ensure compliance with specifications and standards.
💡 Fun Facts
- •The stoke is named after Sir George Gabriel Stokes, who formulated the Stokes' law of viscosity.
- •Decistokes are often used in laboratory settings to ensure accurate measurements of fluid properties.
- •In some contexts, the viscosity of fluids can be temperature-dependent, influencing their behavior in various applications.
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