air entrainment


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air entrainment

the movement of room air into the chamber of a jet nebulizer used to treat respiratory diseases. Air entrainment increases the rate of nebulization and the amount of liquid administered per unit of time.
References in periodicals archive ?
Many oxygen therapy devices employ the Venturi effect to accomplish air entrainment for the purpose of diluting 100% oxygen (used as the source gas) with room air.
Simultaneous occurrence of free surface and mixed stratified flow conditions appears often in gravity-driven-flow pipelines, but most design criteria do not consider the causes of air entrainment (Pozos et al.
Up until now, air entrainment has been the state-of-the-art technology for freeze-thaw durability," says Juan Alfonso Garcia, vice president, BASF Admixture Systems/North America.
Micah Hale investigated the need for air entrainment in high performance concrete (HPC) and founded that concrete with no air entrainment can be produced with adequate frost resistance when w/c [less than or equal to] 0.
All these forces will generate a whirling fire and flame elongation due to the decrease in turbulence intensity, air entrainment and the mixing of air with fuel prompted by centrifugal forces.
The novel method presented here allows for small volume, high throughput analysis of the effect of foam control additives and other surfactants on the ability of a coating formulation to resist air entrainment.
The ventilator functions as either a flow generator or pressure generator in inspiration depending on whether air entrainment is in use or not.
Clarke (8) examined the effects of surface roughness on air entrainment in curtain coating.
The hydraulic slide plate is a low-cost way to provide screen changing "on the fly" with the disadvantage being the production of some off-spec material due to momentary interruption and air entrainment.
FLOW-3D Cast can tackle virtually all casting processes and contains models specifically designed for detecting design problems, including tracking of surface oxides, air entrainment, shrinkage porosity, micro-porosity, and cavitation erosion.
the ability to handle high degrees of air entrainment, and built-in smart diagnostics that alert you to problems before they impact the process.