Abstract
Formulas are derived for the collisional contributions to the pressure tensor and heat-flux vector in fluids composed of molecules which interact with impulsive forces. An approximation scheme is then employed to obtain ``zero-order'' estimates of the viscosity and thermal conductivity coefficients for various molecular models. The models considered are rough spherical and rigid convex molecular ``cores'' surrounded by potential staircases. The viscosity and thermal conductivity coefficients determined for the special case of cores surrounded by a square-well attractive potential are found to vary approximately as T1/2 eA/T at ordinary liquid temperatures. Calculations are also presented of the variations of the transport coefficients with molecular shape and eccentricity parameters.
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