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Dust production is one of the more curious phenomena observed in massivebinary systems with interacting winds. The high temperatures, UV photon fluxand violent shocks should destroy any dust grains that condense. However, insome extreme cases dust production yields of approximately 30% of the totalmass loss rate of the stellar winds have been observed. In order to betterunderstand this phenomenon a parameter space exploration was performed using aseries of numerical models of dust producing carbon phase Wolf-Rayet (WCd)systems. These models incorporated a passive scalar dust model simulating dustgrowth, destruction and radiative cooling. We find that reasonable dust yieldswere produced by these simulations. Significant changes in the dust yield werecaused by changing the mass loss rates of the stars, with a greater mass lossrate contributing to increased dust yields. Similarly, a close orbit betweenthe stars also resulted in higher dust yields. Finally, a high velocity windshear, which induces Kelvin-Helmholtz (KH) instabilities and wind mixing,drastically increases the dust yields.

An exploration of dust grain growth within WCd systems using an advected scalar dust model