כיצד לחשב את Viscosity Converter
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Viscosity converters translate between kinematic (stokes, cSt) and dynamic (poise, centipoise, Pa·s) viscosity units.
נוסחה
Kinematic = dynamic / density: ν = μ / ρ
מדריך שלב אחר שלב
- 1Kinematic = dynamic / density: ν = μ / ρ
- 21 cSt = 0.01 stokes = 0.000001 m²/s
- 31 centipoise (cP) = 0.001 Pa·s = 0.001 kg/(m·s)
Worked Examples
קלט
Motor oil SAE 10W-30: 100 cSt at 40°C, density 0.88 kg/L
תוצאה
Dynamic viscosity ≈ 88 cP
Temperature-dependent
Common Mistakes to Avoid
- ✕Confusing kinematic and dynamic viscosity without conversion
- ✕Using room-temperature viscosity for high-temperature flow
Frequently Asked Questions
Why two types of viscosity?
Dynamic used with pressure drop calculations, kinematic for fluid flow under gravity. Related by density.
How temperature sensitive is viscosity?
Dramatically; halving oil temperature can double viscosity. Viscosity index rates this sensitivity.
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