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Estimation of Thermal Conductivity of Polar Fluids

Mukesh K. Sinha, Anjana Kumari, Prabhat K. Sinha and Tarun K. Dey

An effective pair potential for the modified Lennard-Jones (LJ) (12-6) model with embedded point dipole and linear quadrupole is expressed in the LJ (12-6) form. This theory is employed to estimate the thermal conductivity λ of the modified LJ (12-6) fluid with µ* = µ/(εσ3 ) = 2 and Q* = Q/(εσ5 ) = 2 for different range of damping factor K. The thermal conductivity decreases due to the polar moments. This deviation decreases with the increase of damping factor K.