Multiscale modeling of a gas separation device based on effect of thermal transpiration in the membrane

Employing the separation gradient aerosol technologies for designing the oil separators of venting systems in gas turbine engines (G=200 m3/h)

“…This technology makes it possible to intensify the settling of a liquid phase in the gas flow through the additional pulsations of medium. In paper [3], authors propose to intensify the deposition through the introduction of the significant temperature gradients in the deposition channels and confirm this technology by calculating different designs of the elements of a separator. In article [4], authors performed the CFD modeling of behavior of particles in the super-fast deposition channels and determined the effectiveness of deposition.…”

“…In order to model trajectories of the dispersed particles of a two-phase medium, we solved equation of motion [3], which considered the force of inertia of a particle and other basic forces acting on it. In the Cartesian coordinates, this equation was written in the following way:…”

Knudsen pumps: a review

“…When supplying the gas volume flow rate of 5 sccm, the mole fraction difference between the two product gases is 5.5%, which can be expected. Recent research 237 demonstrates that increasing the width of the main channel, decreasing flow speed, and enlarging the membrane length/area improve the gas separation performance of the devices. Moreover, the gas separation capability of KPs is also employed in gas sensors 238 .…”