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NUMERICALLY PREDICTED FLOW IN CENTRAL AIRWAYS: MODELLING, SIMULATION AND INITIAL ANALYSIS

Octavian Frederich
Institute of Fluid Mechanics and Engineering Acoustics, Berlin Institute of Technology Muller-Breslau-Str. 8, Berlin, 10623, Germany

Eike Hylla
Institute of Fluid Mechanics and Engineering Acoustics, Berlin Institute of Technology Muller-Breslau-Str. 8, Berlin, 10623, Germany

Philipp Amtsfeld
Institute of Fluid Mechanics and Engineering Acoustics, Berlin Institute of Technology Muller-Breslau-Str. 8, Berlin, 10623, Germany

Frank Thiele
Hermann-Fottinger-Institute for Fluid Mechanics, Technical University of Berlin, 10623 Berlin, Germany

Michael Puderbach
Department of Radiology, German Cancer Research Center Heidelberg Im Neuenheimer Feld 280, Heidelberg, 69120, Germany

Hans-Ulrich Kauczor
Department of Diagnostic Radiology, University Heidelberg Im Neuenheimer Feld 400, Heidelberg, 69120, Germany

Ingmar Wegner
Department of Medical and Biological Informatics, German Cancer Research Center Heidelberg Im Neuenheimer Feld 280, Heidelberg, 69120, Germany

Hans-Peter Meinzer
Department of Medical and Biological Informatics, German Cancer Research Center Heidelberg Im Neuenheimer Feld 280, Heidelberg, 69120, Germany

Abstrakt

To analyse the dynamic flow in central airways, a workflow has been established which finally enables numerical simulation with simultaneous consideration of natural deformed geometries and inversion of flow direction. Besides a comprehensive description of the interdisciplinary methods, variations of boundary conditions and parameters are discussed, as well as method validations are presented. Finally, selected insights to the flow field reveal important features and emphasise the necessity of dynamic simulations.