Pascal Second Converter
Convert Pascal Second to Picopoise 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.
PicopoisepP
Target UnitThe picopoise (pP) is a subunit of the poise, a unit of dynamic viscosity in the centimeter-gram-second (CGS) system. It measures a fluid's resistance to flow and is defined as one trillionth of a poise, where one poise is equal to one gram per centimeter-second. The picopoise is particularly useful in describing the viscosity of very low-viscosity fluids, such as certain biological fluids and light oils, making it applicable in a variety of scientific and engineering contexts.
Current Use
Picopoise is primarily used in laboratory settings to measure the viscosity of low-viscosity fluids, such as biological fluids, inks, and coatings. It is essential in industries that require precise fluid dynamics, such as pharmaceuticals, food science, and nanotechnology.
Fun Fact
The picopoise is often used in the context of fluids that can change viscosity with temperature, such as oils.
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📐Conversion Formula
= × 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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Picopoise
viscosity • Non-SI
Definition
The picopoise (pP) is a subunit of the poise, a unit of dynamic viscosity in the centimeter-gram-second (CGS) system. It measures a fluid's resistance to flow and is defined as one trillionth of a poise, where one poise is equal to one gram per centimeter-second. The picopoise is particularly useful in describing the viscosity of very low-viscosity fluids, such as certain biological fluids and light oils, making it applicable in a variety of scientific and engineering contexts.
History & Origin
The concept of viscosity dates back to the 19th century, with the poise being named after the French physicist Jean Louis Marie Poiseuille, who studied fluid flow in the 1840s. The picopoise was introduced as part of the metric system's expansion to allow for measurements of extremely low viscosities, particularly relevant in fields like biology and materials science.
Etymology: The term 'picopoise' combines 'pico-', a metric prefix denoting one trillionth (10^-12), with 'poise', named after Jean Louis Marie Poiseuille.
Current Use
Picopoise is primarily used in laboratory settings to measure the viscosity of low-viscosity fluids, such as biological fluids, inks, and coatings. It is essential in industries that require precise fluid dynamics, such as pharmaceuticals, food science, and nanotechnology.
💡 Fun Facts
- •The picopoise is often used in the context of fluids that can change viscosity with temperature, such as oils.
- •In the field of nanotechnology, measuring viscosity in picopoise can be crucial for the development of new materials.
- •The use of picopoise allows scientists to accurately describe the flow characteristics of fluids in microfluidic devices.
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Frequently Asked Questions
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