Biomedical Engineering Theory And Practice/Biotransport

7.1 What is biotransport?: The role of fluid, heat, and mass transfer in biological systems. A brief review of differential equations and their role in modeling biomedical situations and some notes on common boundary conditions.

7.2 Molecular Mass Transfer and mass transfer rate equations: Concentration, molar velocity, flux, Fick’s law, diffusivity permeability & pore size, partition coefficient, mass transfer coefficient, solute molecular mass, Convective mass transfer, mass balances, equation of continuity, Fick’s second law, Concentration boundary layer analysis, solute Transport in capillary beds and tissues.

7.3. Fluid Mechanics and Flow in biological systems. Motion of fluid elements, Shear stress & rate, viscosity friction and wall drag, Newtonian Vs. Non-Newtonian fluids, Steady Flow in a circular pipe, Bernoulli Equations, Hydraulic networks,

7.4 heat transfer modes and equations: Conduction, Connvection(laminar flow, turbulent flow), radiation thermal conductivity & resistance, radiative heat transfer, phase change & heat transfer, Heat Exchangers, mass/heat transfer equations & coefficients, Detmining mass and heat fluxes with and without biochemical reactions, Finite Element Methods for Biotransport and the use computer models,