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 Abbreviated list of quantities, units and symbols in physical chemistry

4.10 physical quantities: transport properties

Physical Quantity Symbol SI Unit
flux of a quantity X Jx , J (varies)
mass flow rate qm, kg s-1
volume flow rate qV, m3 s-1
heat flow rate F W
thermal conductivity k, l W m-1 K-1
coefficient of heat transfer h W m-2 K-1
thermal diffusivity a m2 s-1
diffusion coefficient D m2 s-1
vicosity h, µ Pa s
kinematic viscosity v m2 s-1


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