ArticlePhysics of fluids (Woodbury, N.Y. : 1994)2011
Steady streaming: A key mixing mechanism in low-Reynolds-number acinar flows.
Article in Physics of fluids (Woodbury, N.Y. : 1994), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Atmospheric aerosol-microplastics intake and deposition in the alveolar region by considering dynamic behavior of acinar airways.PloS one · 2025Article
- Recent advances in the understanding of alveolar flow.Biomicrofluidics · 2022Review
- Aerosol deposition predictions in computed tomography-derived skeletons from severe asthmatics: A feasibility study.Clinical biomechanics (Bristol, Avon) · 2019Article
- Fluorescent reconstitution on deposition of PMProceedings of the National Academy of Sciences of the United States of America · 2019Article
- Modeling Airflow and Particle Deposition in a Human Acinar Region.Computational and mathematical methods in medicine · 2019Article
- Article
- Particle dynamics and deposition in true-scale pulmonary acinar models.Scientific reports · 2015Article
- Particle transport and deposition: basic physics of particle kinetics.Comprehensive Physiology · 2013Review
- Multiscale imaging and registration-driven model for pulmonary acinar mechanics in the mouse.Journal of applied physiology (Bethesda, Md. : 1985) · 2013Article
- The simultaneous role of an alveolus as flow mixer and flow feeder for the deposition of inhaled submicron particles.Journal of biomechanical engineering · 2012Article
- Assessment of morphometry of pulmonary acini in mouse lungs by nondestructive imaging using multiscale microcomputed tomography.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Multiscale image-based modeling and simulation of gas flow and particle transport in the human lungs.Wiley interdisciplinary reviews. Systems biology and medicineReview
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Authors and funding
4 authors.
Funding
Abstract
Study of mixing is important in understanding transport of submicron sized particles in the acinar region of the lung. In this article, we investigate transport in view of advective mixing utilizing Lagrangian particle tracking techniques: tracer advection, stretch rate and dispersion analysis. The phenomenon of steady streaming in an oscillatory flow is found to hold the key to the origin of kinematic mixing in the alveolus, the alveolar mouth and the alveolated duct. This mechanism provides the common route to folding of material lines and surfaces in any region of the acinar flow, and has no bearing on whether the geometry is expanding or if flow separates within the cavity or not. All analyses consistently indicate a significant decrease in mixing with decreasing Reynolds number (Re). For a given Re, dispersion is found to increase with degree of alveolation, indicating that geometry effects are important. These effects of Re and geometry can also be explained by the streaming mechanism. Based on flow conditions and resultant convective mixing measures, we conclude that significant convective mixing in the duct and within an alveolus could originate only in the first few generations of the acinar tree as a result of nonzero inertia, flow asymmetry, and large Keulegan-Carpenter (K(C)) number.
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Registered trials
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