Pascal Second Converter
Convert Pascal Second to Nanopoise 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.
NanopoisenP
Target UnitThe nanopoise (nP) is a derived unit of dynamic viscosity in the centimeter-gram-second (CGS) system. It is defined as one billionth of a poise, where one poise is equivalent to one dyne second per square centimeter (1 P = 1 dyna·s/cm²). The nanopoise is particularly useful for measuring the viscosity of very low viscosity fluids, such as certain polymers and biological fluids, allowing for precise calculations in scientific and engineering applications. This unit helps quantify how resistant a fluid is to flow under applied stress.
Current Use
Today, the nanopoise is widely used in scientific and industrial applications, particularly in fields such as materials science, biochemistry, and nanotechnology. It allows researchers to quantify the flow characteristics of fluids that are critical in drug formulations, food processing, and the production of polymers. Its precision is essential for developing new materials with specific flow properties.
Fun Fact
The nanopoise is not commonly used outside of specialized scientific fields, making it a niche unit.
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= × 1.00000How to Convert
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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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Nanopoise
viscosity • Non-SI
Definition
The nanopoise (nP) is a derived unit of dynamic viscosity in the centimeter-gram-second (CGS) system. It is defined as one billionth of a poise, where one poise is equivalent to one dyne second per square centimeter (1 P = 1 dyna·s/cm²). The nanopoise is particularly useful for measuring the viscosity of very low viscosity fluids, such as certain polymers and biological fluids, allowing for precise calculations in scientific and engineering applications. This unit helps quantify how resistant a fluid is to flow under applied stress.
History & Origin
The concept of viscosity dates back to the 17th century, but the poise was first defined in honor of the French physicist Jean Léonard Marie Poiseuille in the 19th century. The nanopoise emerged as a practical subunit in the late 20th century, allowing scientists to express extremely low viscosity values that are common in modern materials science and biophysics. Its adoption reflects the need for finer measurement scales in advanced research fields where fluids exhibit behaviors at the nanoscale.
Etymology: The term 'nano' derives from the Greek word 'nanos,' meaning dwarf, and signifies the factor of one billionth, while 'poise' honors the physicist Poiseuille for his work on fluid dynamics.
Current Use
Today, the nanopoise is widely used in scientific and industrial applications, particularly in fields such as materials science, biochemistry, and nanotechnology. It allows researchers to quantify the flow characteristics of fluids that are critical in drug formulations, food processing, and the production of polymers. Its precision is essential for developing new materials with specific flow properties.
💡 Fun Facts
- •The nanopoise is not commonly used outside of specialized scientific fields, making it a niche unit.
- •Despite being a small unit, advances in technology have allowed for the accurate measurement of viscosities at the nanoscopic level.
- •The viscosity of certain biological fluids, such as mucus, can vary widely and may be measured in nanopoise.
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