Engineering

Viskozite

Tanım

Bir akışkanın deformasyona veya akışa karşı direncini ifade eden büyüklük; dinamik viskozite pascal-saniye (Pa·s) veya sentipuaz (cP) cinsinden ölçülür.

Açıklama

Water at 20°C has a dynamic viscosity of about 1 cP; honey is roughly 2,000–10,000 cP; glass is sometimes cited humorously as extremely viscous, though it is actually an amorphous solid. Viscosity decreases with temperature in liquids (engine oil thins when hot), which is why multi-grade motor oils (e.g., 10W-40) are formulated to maintain consistent viscosity across temperature ranges.

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