Pascal Second Converter
Convert Pascal Second to Square Centimeter Second 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.
Square Centimeter Secondcm²·s
Target UnitThe square centimeter second (cm²·s) is a unit of dynamic viscosity, which measures a fluid's resistance to flow. It is defined as the viscosity of a fluid that exerts a shear stress of one dyne per square centimeter when it flows with a velocity gradient of one centimeter per second. Dynamic viscosity reflects how thick or thin a fluid is, influencing the flow characteristics and behavior of liquids under various conditions. This unit is particularly relevant in fields such as fluid mechanics and engineering, where understanding fluid dynamics is crucial.
Current Use
Today, the square centimeter second is primarily used in fields such as chemical engineering, physics, and materials science, particularly in contexts where dynamic viscosity is a critical parameter. It is frequently encountered in laboratory settings for rheological testing of fluids and is used in industries such as paint, food, and petrochemicals to evaluate fluid characteristics. Despite the prevalence of SI units, cm²·s remains a familiar and practical choice in many scientific and engineering discussions, particularly in educational contexts.
Fun Fact
Honey's viscosity can vary greatly depending on its water content, often measured around 2.5 cm²·s.
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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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Square Centimeter Second
viscosity • Non-SI
Definition
The square centimeter second (cm²·s) is a unit of dynamic viscosity, which measures a fluid's resistance to flow. It is defined as the viscosity of a fluid that exerts a shear stress of one dyne per square centimeter when it flows with a velocity gradient of one centimeter per second. Dynamic viscosity reflects how thick or thin a fluid is, influencing the flow characteristics and behavior of liquids under various conditions. This unit is particularly relevant in fields such as fluid mechanics and engineering, where understanding fluid dynamics is crucial.
History & Origin
The square centimeter second originated from the centimeter-gram-second (CGS) system, which was developed in the 19th century. This system was widely used in scientific research and engineering before the adoption of the International System of Units (SI). The unit arose out of the need to quantify fluid viscosity in a way that was accessible and relatable, particularly in laboratory settings where measurements were often taken in centimeters and grams. As the understanding of fluid dynamics advanced, so too did the need for precise viscosity measurements, leading to the establishment of cm²·s as a standard unit.
Etymology: The term 'centimeter' derives from the Latin 'centum' (hundred) and the Greek 'metron' (measure), while 'second' reflects the time unit derived from the Latin 'secundus' (following). Together, they depict a measure of area and time, essential for understanding fluid flow characteristics.
Current Use
Today, the square centimeter second is primarily used in fields such as chemical engineering, physics, and materials science, particularly in contexts where dynamic viscosity is a critical parameter. It is frequently encountered in laboratory settings for rheological testing of fluids and is used in industries such as paint, food, and petrochemicals to evaluate fluid characteristics. Despite the prevalence of SI units, cm²·s remains a familiar and practical choice in many scientific and engineering discussions, particularly in educational contexts.
💡 Fun Facts
- •Honey's viscosity can vary greatly depending on its water content, often measured around 2.5 cm²·s.
- •The viscosity of blood at 37°C is approximately 3.5 cm²·s, significantly affecting circulation.
- •The term 'viscosity' is derived from the Latin 'viscosus', meaning 'sticky' or 'thick'.
📏 Real-World Examples
🔗 Related Units
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Frequently Asked Questions
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