Pascal Second Converter
Convert Pascal Second to Dyne Second Sq Centimeter 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.
Dyne Second per Square Centimeterdyn·s/cm²
Target UnitThe dyne second per square centimeter (dyn·s/cm²) is a unit of dynamic viscosity in the centimeter-gram-second (CGS) system of units. It quantifies the internal frictional resistance of a fluid to flow. Specifically, one dyne second per square centimeter is defined as the viscosity of a fluid that, when subjected to a shear stress of one dyne per square centimeter, will yield a velocity gradient of one reciprocal second. This unit is crucial in characterizing fluid dynamics and is particularly significant in fields such as engineering and physics, where the behavior of fluids under various conditions is analyzed.
Current Use
The dyne second per square centimeter is still utilized in various scientific and engineering contexts, particularly in the study of fluid mechanics, material science, and rheology. Industries such as petrochemicals, pharmaceuticals, and food processing frequently employ this unit to measure the viscosity of liquids and slurries. It helps engineers design equipment that involves the flow of fluids, ensuring optimal performance and safety. Furthermore, educational institutions often use this unit to teach fundamental principles of fluid dynamics, making it a staple in physics and engineering curricula.
Fun Fact
The dyne is a part of the CGS system, which is less commonly used today but historically significant.
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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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🔗 Related Units
Dyne Second per Square Centimeter
viscosity • Non-SI
Definition
The dyne second per square centimeter (dyn·s/cm²) is a unit of dynamic viscosity in the centimeter-gram-second (CGS) system of units. It quantifies the internal frictional resistance of a fluid to flow. Specifically, one dyne second per square centimeter is defined as the viscosity of a fluid that, when subjected to a shear stress of one dyne per square centimeter, will yield a velocity gradient of one reciprocal second. This unit is crucial in characterizing fluid dynamics and is particularly significant in fields such as engineering and physics, where the behavior of fluids under various conditions is analyzed.
History & Origin
The dyne second per square centimeter has its roots in the CGS system, which emerged in the 19th century as a practical alternative to the metric system. The CGS system was developed to facilitate scientific measurements and calculations, especially in fields like physics and engineering, where the behavior of fluids is critical. The unit of dyne itself is derived from the force required to accelerate a mass of one gram at a rate of one centimeter per second squared, establishing a connection between mass, distance, and time. This unit's use in viscosity measurement became widespread as researchers sought standardized methods for quantifying fluid resistance.
Etymology: The term 'dyne' comes from the Greek word 'dunamis', meaning 'force', while 'second' and 'centimeter' are derived from the Latin 'secundus' meaning 'second' and the French 'centi' meaning 'one-hundredth'.
Current Use
The dyne second per square centimeter is still utilized in various scientific and engineering contexts, particularly in the study of fluid mechanics, material science, and rheology. Industries such as petrochemicals, pharmaceuticals, and food processing frequently employ this unit to measure the viscosity of liquids and slurries. It helps engineers design equipment that involves the flow of fluids, ensuring optimal performance and safety. Furthermore, educational institutions often use this unit to teach fundamental principles of fluid dynamics, making it a staple in physics and engineering curricula.
💡 Fun Facts
- •The dyne is a part of the CGS system, which is less commonly used today but historically significant.
- •Viscosity measurements can vary with temperature; for example, heating a fluid typically reduces its viscosity.
- •The term 'viscosity' comes from the Latin 'viscosus', meaning sticky or adhesive.
📏 Real-World Examples
🔗 Related Units
Related Viscosity Conversions
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