Viscosity the stickiness of fluids v ( y ) ratio between - PowerPoint PPT Presentation

Viscosity the “stickiness” of fluids 휏 휇 ≡ Δ v ( Δ y ) ratio between shear and strain 1|5

Figure CC-0 Olivier Cleynen 2|5

Figure CC-0 Olivier Cleynen 3|5

Force will increase ∙ with increasing A ∙ with increasing Δ v ∙ with decreasing Δ y ∙ with increasing stickiness (viscosity) 4|5

Viscosity F 휇 ≡ A Δ v ( Δ y ) 휏 = Δ v ( Δ y ) ratio between shear 휏 (effort) and strain d v / d y (deformation) 5|5