In the present work, argon flow confined within a gap at nanoscale between two moving parallel plates and maintained at the same uniform temperature is simulated using direct simulation Monte Carlo (DSMC) method. Simulations are performed to investigate rarefaction effects on velocity, temperature, heat flux, shear stress and entropy profiles. The specific contribution of this work is detailed discussion on heat flux and shear stress behavior of the gas besides calculation of entropy as a thermodynamics property which shows the molecular chaos. The results show that, as the flow rarifies the bulk velocity of the domain decreases, however the absolute amount of non-dimensional temperature, heat fluxes, and shear stresses increases. Investigation of entropy profiles shows that by increasing the Knudsen number entropy tends to a finite value in the domain.

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