Search Results - "Miyawaki, Shinjiro"

Effect of Carrier Gas Properties on Aerosol Distribution in a CT-based Human Airway Numerical Model by Miyawaki, Shinjiro, Tawhai, Merryn H., Hoffman, Eric A., Lin, Ching-Long

“…The effect of carrier gas properties on particle transport in the human lung is investigated numerically in an imaging based airway model. The airway model…”
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Structure of turbulent flow at a river confluence with momentum and velocity ratios close to 1: Insight provided by an eddy-resolving numerical simulation by Constantinescu, George, Miyawaki, Shinjiro, Rhoads, Bruce, Sukhodolov, Alexander, Kirkil, Gokhan

“…River confluences are complex hydrodynamic environments where convergence of incoming flows produces complicated patterns of fluid motion, including the…”
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Numerical analysis of the effect of momentum ratio on the dynamics and sediment-entrainment capacity of coherent flow structures at a stream confluence by Constantinescu, George, Miyawaki, Shinjiro, Rhoads, Bruce, Sukhodolov, Alexander

“…The flow and turbulence structure at stream confluences are characterized by the formation of a mixing interface (MI) and, in some cases, of…”
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Influence of planform geometry and momentum ratio on thermal mixing at a stream confluence with a concordant bed by Constantinescu, George, Miyawaki, Shinjiro, Rhoads, Bruce, Sukhodolov, Alexander

“…The effects of planform geometry and momentum flux ratio on thermal mixing at a stream confluence with concordant bed morphology are investigated based on…”
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A Feasible Computational Fluid Dynamics Study for Relationships of Structural and Functional Alterations with Particle Depositions in Severe Asthmatic Lungs by Choi, Sanghun, Lin, Ching-Long, Miyawaki, Shinjiro

“…This study aims to investigate the effect of altered structures and functions in severe asthma on particle deposition by using computational fluid dynamics…”
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Effect of static vs. dynamic imaging on particle transport in CT-based numerical models of human central airways by Miyawaki, Shinjiro, Hoffman, Eric A., Lin, Ching-Long

“…Advances in quantitative computed tomography (CT) has provided methods to assess the detailed structure of the pulmonary airways and parenchyma, providing the…”
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Numerical simulations of aerosol delivery to the human lung with an idealized laryngeal model, image-based airway model, and automatic meshing algorithm by Miyawaki, Shinjiro, Hoffman, Eric A., Lin, Ching-Long

“…•We developed an idealized laryngeal model to replace missing extra-thoracic images.•The new method automatically meshed human airway geometries.•The new…”
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Aerosol deposition predictions in computed tomography-derived skeletons from severe asthmatics: A feasibility study by Miyawaki, Shinjiro, Hoffman, Eric A., Wenzel, Sally E., Lin, Ching-Long

“…The authors numerically investigated the correlation between airway skeletons of severe asthmatic human subjects and predicted aerosol deposition to shed light…”
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Numerical evaluation of the effects of planform geometry and inflow conditions on flow, turbulence structure, and bed shear velocity at a stream confluence with a concordant bed by Constantinescu, George, Miyawaki, Shinjiro, Rhoads, Bruce, Sukhodolov, Alexander

“…This study numerically investigates the effects of variations in inflow conditions and planform geometry on large‐scale coherent flow structures and bed…”
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Automatic construction of subject-specific human airway geometry including trifurcations based on a CT-segmented airway skeleton and surface by Miyawaki, Shinjiro, Tawhai, Merryn H., Hoffman, Eric A., Wenzel, Sally E., Lin, Ching-Long

“…We propose a method to construct three-dimensional airway geometric models based on airway skeletons, or centerlines (CLs). Given a CT-segmented airway…”
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A 4DCT imaging-based breathing lung model with relative hysteresis by Miyawaki, Shinjiro, Choi, Sanghun, Hoffman, Eric A., Lin, Ching-Long

“…To reproduce realistic airway motion and airflow, the authors developed a deforming lung computational fluid dynamics (CFD) model based on four-dimensional…”
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A Numerical Study of Water Loss Rate Distributions in MDCT-Based Human Airway Models by Wu, Dan, Miyawaki, Shinjiro, Tawhai, Merryn H., Hoffman, Eric A., Lin, Ching-Long

“…Both three-dimensional (3D) and one-dimensional (1D) computational fluid dynamics methods are applied to study regional water loss in three multi-detector row…”
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Early Airway Structural Changes in Cystic Fibrosis Pigs as a Determinant of Particle Distribution and Deposition by Awadalla, Maged, Miyawaki, Shinjiro, Abou Alaiwa, Mahmoud H., Adam, Ryan J., Bouzek, Drake C., Michalski, Andrew S., Fuld, Matthew K., Reynolds, Karen J., Hoffman, Eric A., Lin, Ching-Long, Stoltz, David A.

“…The pathogenesis of cystic fibrosis (CF) airway disease is not well understood. A porcine CF model was recently generated, and these animals develop lung…”
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Automatic construction and meshing of multiscale image-based human airway models for simulations of aerosol delivery by Miyawaki, Shinjiro

“…The author developed a computational framework for the study of the correlation between airway morphology and aerosol deposition based on a population of human…”
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