Pascal Second Converter
Convert Pascal Second to Femtostokes 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.
FemtostokesfSt
Target UnitA femtostoke (fSt) is a unit of dynamic viscosity in the cgs (centimeter-gram-second) system, equivalent to 10^-15 stokes. The stoke is defined based on the kinematic viscosity of a fluid, where one stoke is the viscosity of a fluid with a density of 1 g/cm³ that has a kinematic viscosity of 1 cm²/s. Thus, femtostokes are used to express extremely low viscosities found in microfluidics and specialized applications, particularly in scientific research and advanced engineering.
Current Use
Femtostokes are currently used in cutting-edge research and applications where precise viscosity measurements at the nanoscale are required. This includes fields such as biomedical engineering, materials science, and nanotechnology, where understanding fluid behavior is crucial to innovation.
Fun Fact
The femtostoke is one of the smallest units of viscosity used in scientific research.
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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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Femtostokes
viscosity • Non-SI
Definition
A femtostoke (fSt) is a unit of dynamic viscosity in the cgs (centimeter-gram-second) system, equivalent to 10^-15 stokes. The stoke is defined based on the kinematic viscosity of a fluid, where one stoke is the viscosity of a fluid with a density of 1 g/cm³ that has a kinematic viscosity of 1 cm²/s. Thus, femtostokes are used to express extremely low viscosities found in microfluidics and specialized applications, particularly in scientific research and advanced engineering.
History & Origin
The femtostoke was introduced in the late 20th century as scientific fields began to explore the properties of fluids at the microscale. As technology advanced, it became apparent that traditional units of viscosity were insufficient to quantify the extremely low viscosities encountered in new materials and experimental setups, leading to the need for smaller units like the femtostoke.
Etymology: The term 'femtostoke' combines 'femto-', a prefix in the metric system denoting a factor of 10^-15, with 'stoke,' named after the British engineer Sir George Stokes, who contributed to fluid dynamics.
Current Use
Femtostokes are currently used in cutting-edge research and applications where precise viscosity measurements at the nanoscale are required. This includes fields such as biomedical engineering, materials science, and nanotechnology, where understanding fluid behavior is crucial to innovation.
💡 Fun Facts
- •The femtostoke is one of the smallest units of viscosity used in scientific research.
- •Understanding fluid dynamics at this level can lead to breakthroughs in drug delivery technologies.
- •Femtostokes allow scientists to study fluid behaviors that were previously impossible to measure.
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🔗 Related Units
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