Question 1

What is the difference between kinematic and dynamic viscosity?

Accepted Answer

Dynamic (μ): resistance to flow in Pa·s. Kinematic (ν): μ/ρ in m²/s. Kinematic accounts for density.

Question 2

How do you convert kinematic to dynamic viscosity?

Accepted Answer

μ = ν × ρ. Multiply kinematic viscosity by density. Need both viscosity and density values.

Question 3

What's the difference between dynamic and kinematic viscosity?

Accepted Answer

Dynamic viscosity (Pa·s, cP) measures flow resistance. Kinematic viscosity (m²/s, cSt) is dynamic viscosity divided by density, used in flow calculations.

Question 4

How does temperature affect viscosity?

Accepted Answer

Liquids generally become less viscous (thinner) when heated. Motor oil ratings (like 10W-40) indicate viscosity at cold (W) and hot operating temperatures.

Kinematic to Dynamic Viscosity Converter

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