Poise Converter
Convert Poise to Terapoise 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.
TerapoiseTPa
Target UnitThe terapoise (TPa) is a derived unit of dynamic viscosity in the metric system, representing a measure of a fluid's resistance to flow. It is defined as 10^12 poise, where one poise is equivalent to one gram per centimeter per second (g/(cm·s)). The terapoise is used in specialized scientific and engineering applications where extremely high viscosity values are encountered, such as in the study of certain polymer solutions and heavy oils. This unit provides a convenient way to express very large viscosity measurements without resorting to exponential notation.
Current Use
The terapoise is predominantly used in scientific research and industrial applications where extremely high viscosity fluids are analyzed. Industries such as petroleum, polymers, and food processing may utilize this unit to assess the flow characteristics of materials. However, its application is mainly restricted to laboratories as standard industrial measurements typically do not reach such high viscosity levels.
Fun Fact
The terapoise is rarely encountered in everyday applications, as most fluids have much lower viscosities.
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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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Terapoise
viscosity • Non-SI
Definition
The terapoise (TPa) is a derived unit of dynamic viscosity in the metric system, representing a measure of a fluid's resistance to flow. It is defined as 10^12 poise, where one poise is equivalent to one gram per centimeter per second (g/(cm·s)). The terapoise is used in specialized scientific and engineering applications where extremely high viscosity values are encountered, such as in the study of certain polymer solutions and heavy oils. This unit provides a convenient way to express very large viscosity measurements without resorting to exponential notation.
History & Origin
The terapoise emerged from the need to quantify extremely high viscosities in various scientific fields, particularly in polymer science and material engineering. It was developed in the mid-20th century as researchers began to explore the properties of synthetic fluids that exhibited significantly higher viscosity than previously known materials. The terapoise is part of the centimeter-gram-second (CGS) system, with the poise named after the French scientist Jean Louis Marie Poiseuille, who made substantial contributions to fluid dynamics.
Etymology: The term 'terapoise' derives from the prefix 'tera-', indicating a factor of 10^12, combined with 'poise', named after the physicist Jean Louis Marie Poiseuille, who studied laminar flow.
Current Use
The terapoise is predominantly used in scientific research and industrial applications where extremely high viscosity fluids are analyzed. Industries such as petroleum, polymers, and food processing may utilize this unit to assess the flow characteristics of materials. However, its application is mainly restricted to laboratories as standard industrial measurements typically do not reach such high viscosity levels.
💡 Fun Facts
- •The terapoise is rarely encountered in everyday applications, as most fluids have much lower viscosities.
- •It is estimated that only specialized laboratories use the terapoise for viscosity measurements beyond typical industrial levels.
- •The poise was originally defined by measuring the resistance of a fluid to flow through a tube, leading to the development of more complex units like the terapoise.
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