Poise Converter
Convert Poise to Slug Foot Second 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.
Slug Foot Seconds.f.s
Target UnitThe slug foot second (s.f.s) is a unit of dynamic viscosity used primarily in engineering and fluid mechanics. It quantifies the internal friction of a fluid, indicating how resistant it is to flow. Specifically, one slug foot second is defined as the viscosity of a fluid that, when a shear stress of one pound-force per square foot is applied, results in a shear rate of one foot per second. This unit is derived from the slug, a unit of mass in the imperial system, and is applicable in contexts where imperial units are preferred over metric.
Current Use
Today, the slug foot second is used primarily in the fields of mechanical and aerospace engineering, particularly in the analysis of fluid flow and viscosity. It allows engineers to describe the behavior of liquids and gases under different conditions, which is critical in design and analysis processes. Its usage is particularly prominent in the United States and in industries that favor imperial units over metric.
Fun Fact
The slug foot second is less commonly used than the metric unit centipoise, leading to confusion in global industries.
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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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Slug Foot Second
viscosity • Non-SI
Definition
The slug foot second (s.f.s) is a unit of dynamic viscosity used primarily in engineering and fluid mechanics. It quantifies the internal friction of a fluid, indicating how resistant it is to flow. Specifically, one slug foot second is defined as the viscosity of a fluid that, when a shear stress of one pound-force per square foot is applied, results in a shear rate of one foot per second. This unit is derived from the slug, a unit of mass in the imperial system, and is applicable in contexts where imperial units are preferred over metric.
History & Origin
The slug foot second was developed in the context of fluid mechanics, particularly within the United States where imperial units are commonly used. It was established to provide engineers with a practical means of measuring viscosity in applications involving non-Newtonian fluids, which do not have a constant viscosity. The unit aligns with the broader system of imperial measurements that include feet and pounds, facilitating its use in various engineering applications.
Etymology: The term 'slug' refers to a unit of mass in the imperial system, while 'foot second' denotes the dimensions of space and time, respectively. Together, they describe a specific measure of viscosity that relates to the resistance of a fluid to flow.
Current Use
Today, the slug foot second is used primarily in the fields of mechanical and aerospace engineering, particularly in the analysis of fluid flow and viscosity. It allows engineers to describe the behavior of liquids and gases under different conditions, which is critical in design and analysis processes. Its usage is particularly prominent in the United States and in industries that favor imperial units over metric.
💡 Fun Facts
- •The slug foot second is less commonly used than the metric unit centipoise, leading to confusion in global industries.
- •The slug is a unit of mass that can lead to complex conversions in viscosity calculations, requiring precise engineering knowledge.
- •Historical documents indicate that the slug was first used in the 19th century, reflecting the evolution of fluid dynamics as a science.
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