منابع مشابه
Airway reopening through catastrophic events in a hierarchical network.
When you reach with your straw for the final drops of a milkshake, the liquid forms a train of plugs that flow slowly initially because of the high viscosity. They then suddenly rupture and are replaced with a rapid airflow with the characteristic slurping sound. Trains of liquid plugs also are observed in complex geometries, such as porous media during petroleum extraction, in microfluidic two...
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This study investigates the stability of a finger of air as it propagates into a liquid-filled model of a liquid-filled model of a pulmonary bifurcation. We seek to elucidate the stability characteristics of the reopening of daughter airways, an event that may be important to the treatment of acute lung disease. To do so, we investigated the symmetry of reopening under conditions of nearly cons...
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Davey and Robert Glass present a paper (1) in which they consider the question of when to " switch off " community based interventions designed to reduce the spread of pandemic infl uenza. These authors attempt to answers questions such as when it would be optimal to reopen schools that have been closed as part of a nonpharmaceuti-cal, communitywide infl uenza mitigation strategy. The authors u...
متن کاملFinite-Reynolds-number effects in steady, three-dimensional airway reopening.
Motivated by the physiological problem of pulmonary airway reopening, we study the steady propagation of an air finger into a buckled elastic tube, initially filled with viscous fluid. The system is modeled using geometrically non-linear, Kirchhoff-Love shell theory, coupled to the free-surface Navier-Stokes equations. The resulting three-dimensional, fluid-structure-interaction problem is solv...
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OBJECTIVES This study was performed to determine the frequency of patent ductus arteriosus (PDA) reopening and the factors that may predict reopening after successful coil occlusion. BACKGROUND Transcatheter coil occlusion is a widely used and accepted method to close a PDA. After documented successful coil occlusion, we found PDAs that reopened. We hypothesized that specific factors are invo...
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ژورنال
عنوان ژورنال: Technology|Architecture + Design
سال: 2021
ISSN: 2475-1448,2475-143X
DOI: 10.1080/24751448.2021.1863654