Pascal Second Converter
Convert Pascal Second to Terastokes and more • 56 conversions
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Unit Explanations
Pascal SecondPa·s
Source UnitThe pascal second (Pa·s) is the SI unit for dynamic viscosity, representing the internal friction of fluids. It quantifies the resistance of a fluid to flow when an external force is applied. A fluid with a dynamic viscosity of one pascal second will flow under a shear stress of one pascal at a rate of one meter per second. It is a derived unit, meaning it is defined in terms of the base SI units: kilograms (kg), meters (m), and seconds (s). The pascal second is critical in fluid dynamics, engineering, and various scientific disciplines where fluid behavior is studied.
Current Use
Today, the pascal second is widely used in various industries including chemical engineering, food processing, and materials science to characterize the flow properties of fluids. It is essential in applications involving lubrication, mixing, and fluid transport where understanding viscosity is crucial for efficiency and safety.
Fun Fact
The pascal second is named after Blaise Pascal, who also has the unit of pressure named after him.
TerastokesTst
Target UnitThe terastokes (Tst) is a non-SI unit of dynamic viscosity, which is equal to 10^12 stokes (St). The stoke itself is defined as the kinematic viscosity of a fluid with a dynamic viscosity of 1 centipoise (cP) and a specific gravity of 1. The terastokes is typically used in contexts where extremely high viscosity values are encountered, such as in specialized industrial applications or theoretical computations in fluid dynamics. This unit allows for the expression of large viscosity values in a more manageable format, facilitating easier communication and calculation.
Current Use
The terastokes is primarily used in specialized fields such as petrochemicals, lubricants, and advanced fluid dynamics research. In these industries, fluids can exhibit extremely high viscosity values, necessitating the use of large units like the terastokes to simplify calculations and descriptions of fluid behavior. Laboratories and industrial plants often refer to terastokes when dealing with highly viscous substances like heavy oils or polymer solutions.
Fun Fact
The stoke, and by extension the terastokes, is named after George Stokes, who also contributed to the field of optics.
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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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Pascal Second
viscosity • Non-SI
Definition
The pascal second (Pa·s) is the SI unit for dynamic viscosity, representing the internal friction of fluids. It quantifies the resistance of a fluid to flow when an external force is applied. A fluid with a dynamic viscosity of one pascal second will flow under a shear stress of one pascal at a rate of one meter per second. It is a derived unit, meaning it is defined in terms of the base SI units: kilograms (kg), meters (m), and seconds (s). The pascal second is critical in fluid dynamics, engineering, and various scientific disciplines where fluid behavior is studied.
History & Origin
The pascal second was introduced as part of the metric system in the late 20th century, named after Blaise Pascal, a French mathematician and physicist known for his contributions to fluid mechanics and pressure. The unit was formalized in 1971 during the 14th General Conference on Weights and Measures, which aimed to standardize units for scientific accuracy and international communication.
Etymology: The term 'pascal' is derived from the name of Blaise Pascal, while 'second' refers to the time unit in the SI system.
Current Use
Today, the pascal second is widely used in various industries including chemical engineering, food processing, and materials science to characterize the flow properties of fluids. It is essential in applications involving lubrication, mixing, and fluid transport where understanding viscosity is crucial for efficiency and safety.
💡 Fun Facts
- •The pascal second is named after Blaise Pascal, who also has the unit of pressure named after him.
- •Dynamic viscosity can change with temperature; for example, heating honey makes it flow more easily.
- •The viscosity of air is significantly lower than that of most liquids, making it easier for objects to move through it.
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Terastokes
viscosity • Non-SI
Definition
The terastokes (Tst) is a non-SI unit of dynamic viscosity, which is equal to 10^12 stokes (St). The stoke itself is defined as the kinematic viscosity of a fluid with a dynamic viscosity of 1 centipoise (cP) and a specific gravity of 1. The terastokes is typically used in contexts where extremely high viscosity values are encountered, such as in specialized industrial applications or theoretical computations in fluid dynamics. This unit allows for the expression of large viscosity values in a more manageable format, facilitating easier communication and calculation.
History & Origin
The concept of viscosity dates back to the early studies of fluid mechanics, with significant contributions from scientists like Sir Isaac Newton and George Stokes in the 19th century. The stoke was named after Stokes, who formulated the laws of viscosity and described how fluids resist flow. The terastokes, being a multiple of the stoke, was introduced to quantify extremely viscous fluids, particularly in the petroleum and chemical industries, where conventional units may fall short.
Etymology: The term 'terastokes' derives from the prefix 'tera-' meaning trillion, combined with 'stokes' which honors the physicist George Stokes who significantly advanced the understanding of fluid mechanics.
Current Use
The terastokes is primarily used in specialized fields such as petrochemicals, lubricants, and advanced fluid dynamics research. In these industries, fluids can exhibit extremely high viscosity values, necessitating the use of large units like the terastokes to simplify calculations and descriptions of fluid behavior. Laboratories and industrial plants often refer to terastokes when dealing with highly viscous substances like heavy oils or polymer solutions.
💡 Fun Facts
- •The stoke, and by extension the terastokes, is named after George Stokes, who also contributed to the field of optics.
- •In fluid dynamics, viscosity is a critical factor in determining whether a flow is laminar or turbulent.
- •The terastokes is rarely encountered in everyday situations; it is primarily used in specialized scientific and industrial contexts.
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