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Table 2 Fluid flow parameters

From: Development of a 3D finite element model of lens microcirculation

Symbol Description Value Units
R Gas-constant 8.314 × 103 pJ/(nmol.K)
ε0 Permittivity-of-vacuum5 8.854 pF/m
εr Dielectric-constant-(water)5 80.4  
h ˜ Extracellular-cleft-width2 40 nm
μ Fluid-viscosity 700 mPa.ms
ζ Zeta-potential1 −15 mV
λD Debye-length2 1 nm
Lp Intercellular-hydraulic-permeability3 4.0 × 10−8 m/(Pa.s)
Lf Fibre-cell-membrane-hydraulic-permeability3 4.0 × 10−8 m/(Pa.s)
Ls Surface-hydraulic-permeability3 2.7 × 10−7 m/(Pa.s)
σ Intercellular-membrane-reflectance1 1  
K ˜ e Extracellular-hydraulic-conductivity 3.05 × 10−14 m2/(Pa.s)
k ˜ e Extracellular-electro-osmotic-coefficient 1.45 × 10−8 m2/(Vs)
  1. References: 1. Mathias (1985) [2]; 2. McLaughlin & Mathias (1985) [36]; 3. Varadaraj et al. (2005) [35]; 4. Mathias et al. (1997) [3]; 5. http://www.wikipedia.org