Pascal Second Converter
Convert Pascal Second to Gigastokes 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.
GigastokesGSt
Target UnitThe gigastokes (GSt) is a unit of kinematic viscosity in the CGS (centimeter-gram-second) system of units. It measures the internal resistance of a fluid to flow under the influence of gravity. One gigastokes is equivalent to 10^9 stokes, where one stoke is defined as the kinematic viscosity of a fluid in which a sphere of 1 cm radius falls through the fluid at a rate of 1 cm/s. This unit is particularly useful for measuring the viscosity of very low viscosity fluids or gases in scientific and engineering applications.
Current Use
Today, gigastokes are primarily used in industries that deal with fluids with very low viscosity, such as petrochemicals and synthetic lubricants. In these sectors, accurate viscosity measurements are essential for ensuring product performance and quality. The gigastokes unit allows engineers to quantify and communicate the behavior of these fluids under various temperature and pressure conditions, facilitating better design and operational efficiency.
Fun Fact
The stokes unit is equivalent to 10^-4 m²/s, making gigastokes a very large unit in comparison.
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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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Gigastokes
viscosity • Non-SI
Definition
The gigastokes (GSt) is a unit of kinematic viscosity in the CGS (centimeter-gram-second) system of units. It measures the internal resistance of a fluid to flow under the influence of gravity. One gigastokes is equivalent to 10^9 stokes, where one stoke is defined as the kinematic viscosity of a fluid in which a sphere of 1 cm radius falls through the fluid at a rate of 1 cm/s. This unit is particularly useful for measuring the viscosity of very low viscosity fluids or gases in scientific and engineering applications.
History & Origin
The term 'stokes' was named after Sir George Gabriel Stokes, a 19th-century Irish mathematician and physicist known for his work on fluid dynamics. The gigastokes is derived from this base unit, scaling it to encompass a broader range of viscosities encountered in various applications. The introduction of the gigastokes allowed for more manageable numerical representations of kinematic viscosity in high viscosity fluids that are otherwise cumbersome to express in standard stokes.
Etymology: The name 'gigastokes' combines the metric prefix 'giga-', meaning one billion (10^9), with 'stokes', named after Sir George Gabriel Stokes.
Current Use
Today, gigastokes are primarily used in industries that deal with fluids with very low viscosity, such as petrochemicals and synthetic lubricants. In these sectors, accurate viscosity measurements are essential for ensuring product performance and quality. The gigastokes unit allows engineers to quantify and communicate the behavior of these fluids under various temperature and pressure conditions, facilitating better design and operational efficiency.
💡 Fun Facts
- •The stokes unit is equivalent to 10^-4 m²/s, making gigastokes a very large unit in comparison.
- •In low viscosity applications, gigastokes values can be larger than most common fluids, highlighting the need for such a unit.
- •Sir George Stokes also contributed to the field of optics, demonstrating the diverse impact of his work across different scientific disciplines.
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