Sentence examples for particle impaction from inspiring English sources

The processes cannot be easily visualized in experiments, thus computational fluid dynamics were used to investigate the turbulence kinetic energy and particle impaction.

At low flow rates (30 and 45 l/min), reducing the air inlet size increased the inhaler dispersion performance by increasing the flow turbulence and particle impaction velocities above their critical levels for maximal powder dispersion.

In summary, maximizing the TKE and the particle impaction rate by adding a grid and providing a cyclone-like design was key factor to achieve a high deagglomeration of the particles.

At 60 l/min, reducing the air inlet size reduced the inhaler dispersion performance by releasing a large amount of powder from the device before the turbulence levels and particle impaction velocities could be fully developed.

Moreover, we report new results illustrating the dependence of the important "critical" Strokes number (for incipient particle impaction) on the particle mass loading and the wall/gas temperature ratio for dust-laden gas motion towards "overheated" solid surfaces.

This change in mechanism was not expected under the impact conditions used and has been attributed to a change in the column diameter, and how this influences the dynamics of particle impaction.

However, we do not know whether impacted Ti particles allow tissue ingrowth like non-impacted Ti particles: impaction poses a threat to the osteoconduction of a non-degradable material like Ti particles by obliteration of ingrowth spaces, which is even observed with a resorbable material like allograft bone (Tägil and Aspenberg 1998, Jeppsson et al. 2003).

Poor aerosol penetration during invasive mechanical ventilation could be explained by particles impaction and trickling from the endotracheal tube to the trachea and main bronchi [14, 16, 34].

This is due to the fact that instilled particles in suspension are not subject to the same physics as airborne particles (impaction, sedimentation, diffusion), and inhaled CNTs are more slowly dispersed than an instilled aqueous bolus.

(3) What sizes of particles are released from the porous titanium particles during impaction and after subsequent loading of the impacted titanium particle layer?

In this respect, factors such as particle diffusion, impaction, and interception need to be considered to estimate the deposition rates.