Poise Converter
Convert Poise to Megapoise 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.
MegapoisemP
Target UnitThe megapoise (mP) is a non-SI unit of dynamic viscosity, representing a measure of a fluid's resistance to flow. Specifically, one megapoise is equal to one million poise, where one poise is defined as the viscosity of a fluid in which a force of one dyne per square centimeter causes a velocity of one centimeter per second. This unit is often used in specialized fields where extremely viscous fluids, such as heavy oils or certain polymers, are analyzed. Its use allows for a more manageable expression of high viscosity values.
Current Use
Today, the megapoise is primarily used in industries that deal with high-viscosity fluids, such as petroleum, food processing, and polymer manufacturing. It serves as a critical unit in quality control and product formulation, helping engineers and scientists accurately describe the flow properties of materials. It is also utilized in research settings where the rheological properties of complex fluids are studied.
Fun Fact
The poise was originally defined based on the flow of blood, illustrating its importance in 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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Megapoise
viscosity • Non-SI
Definition
The megapoise (mP) is a non-SI unit of dynamic viscosity, representing a measure of a fluid's resistance to flow. Specifically, one megapoise is equal to one million poise, where one poise is defined as the viscosity of a fluid in which a force of one dyne per square centimeter causes a velocity of one centimeter per second. This unit is often used in specialized fields where extremely viscous fluids, such as heavy oils or certain polymers, are analyzed. Its use allows for a more manageable expression of high viscosity values.
History & Origin
The term 'poise' was named after the French physician Jean Louis Marie Poiseuille, known for his work on fluid dynamics in the 19th century. The megapoise emerged as a more convenient unit for expressing high viscosity values in industrial applications, particularly in the oil and polymer industries. As fluids with very high viscosity became common in various technological processes, the need for larger units like the megapoise became apparent.
Etymology: The name 'mega' is derived from the Greek word 'megas,' meaning 'great' or 'large,' combined with 'poise,' which is named after Jean Louis Marie Poiseuille.
Current Use
Today, the megapoise is primarily used in industries that deal with high-viscosity fluids, such as petroleum, food processing, and polymer manufacturing. It serves as a critical unit in quality control and product formulation, helping engineers and scientists accurately describe the flow properties of materials. It is also utilized in research settings where the rheological properties of complex fluids are studied.
💡 Fun Facts
- •The poise was originally defined based on the flow of blood, illustrating its importance in fluid dynamics.
- •The use of the megapoise can be crucial in the formulation of medicinal syrups and gels where precise viscosity is needed.
- •The viscosity of fluids can change significantly with temperature, which means the megapoise value for a fluid can vary widely under different conditions.
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