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sci.food-rheology-power-law Calculator
Calculates food material flow properties using the power-law model τ = K×γ̇ⁿ: consistency index K and flow behaviour index n from viscometer data. Tomato ketchup: n ≈ 0.33 (strongly shear-thinning) — this shear-thinning behaviour causes ketchup to flow rapidly when shaken but stay on the plate at rest.
Inputs
Shear Rate Per S
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
K Consistency Pa Sn
Reference formula or conversion factor shown for context.
N Flow Index
Reference formula or conversion factor shown for context.
Results
shear stress τ (Pa)
Internal force per unit area (Pa or MPa). Must stay below yield strength in service. Beyond yield: permanent deformation. Beyond tensile strength: fracture.
apparent viscosity η_app (Pa·s)
Sample size or count used in the calculation.
viscosity ratio vs water
The proportional relationship between two quantities.
τ = K·γ̇ⁿ
Reference formula or conversion factor shown for context.
fluid type
The classification or type assigned based on the inputs.