Stokes drag framework: F = 6π·η·r·v (low-Re sphere in Newtonian fluid; Einstein-Stokes translational)

Layer 2 — Chemistryin the biophysical-chemistry subtree

Stokes drag on a sphere in Newtonian fluid at low Reynolds number: F = 6π·η·r·v, where η is dynamic viscosity, r sphere radius, v translational velocity. The 6π prefactor arises from solving the creeping-flow (Stokes, Re ≪ 1) equations…

Related concepts

DLVO framework: Π(D) = 64·k_B·T·c·γ²·exp(-D/λ_D); linearised-PB double-layer
Stokes drag: F(η=r=v=1) = 6π; F(2v)/F(v) = 2; F(2r)/F(r) = 2 (triple linearity fingerprint)
Low-Reynolds-number biological flow

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