Viscosity Equation:
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Water viscosity refers to the measure of a fluid's resistance to flow. For water, viscosity decreases as temperature increases, making it an important property in various scientific and engineering applications.
The calculator uses the viscosity equation:
Where:
Explanation: This empirical formula describes how water viscosity changes with temperature, following an exponential relationship.
Details: Accurate viscosity calculation is crucial for fluid dynamics, chemical engineering, pharmaceutical manufacturing, and many industrial processes where fluid flow properties are critical.
Tips: Enter temperature in Celsius and the empirical constants A, B, and C. Standard values are pre-filled but can be adjusted for different fluid properties.
Q1: What are typical values for constants A, B, and C?
A: For water, typical values are A = 0.00179, B = 1230, and C = 168, but these may vary slightly depending on the specific empirical model.
Q2: How does temperature affect water viscosity?
A: Water viscosity decreases exponentially as temperature increases. At 20°C, viscosity is about 1.002 cP, while at 100°C it's approximately 0.282 cP.
Q3: What is the unit of measurement for viscosity?
A: Viscosity is typically measured in centipoise (cP) or Pascal-seconds (Pa·s), where 1 cP = 0.001 Pa·s.
Q4: Why is water viscosity important?
A: Understanding water viscosity is essential for designing fluid systems, predicting flow behavior, and in processes like mixing, pumping, and filtration.
Q5: Can this calculator be used for other fluids?
A: While the formula structure is similar for many Newtonian fluids, different constants would be needed for fluids other than water.