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Magnetic Resonance Imaging and Computational Fluid Dynamics of High Frequency Oscillatory Ventilation (HFOV)
Scholz, Alexander and Krenkel, Lars and Terekov, Maxim and Friedrich, Janet and Rivoire, Julien and Köbrich, Rainer and Wolf, Ursula and Kalthoff, Daniel and David, Matthias and Wagner, Claus and Schreiber, Laura Maria (2011) Magnetic Resonance Imaging and Computational Fluid Dynamics of High Frequency Oscillatory Ventilation (HFOV). In: Fundamentla Medical and Engineering Investigations on Protective Artificila Respiration Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 116. Springer Verlag, Berlin Heidelberg. pp. 107-128. ISBN 978-3-642-20325-1. ISSN 1612-2909
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Abstract
In order to better understand the mechanisms of gas transport during High Frequency Oscillatory Ventilation (HFOV) Magnetic Resonance Imaging (MRI) with contrast gases and numerical flow simulations based on Computational Fluid Dynamics(CFD) methods are performed. Validation of these new techniques is conducted by comparing the results obtained with simplified models of the trachea and a first lung bifurcation as well as in a cast model of the upper central airways with results achieved from conventional fluid mechanical measurement techniques like e.g. Laser Doppler Anemometry (LDA). Further it is demonstrated that MRI of experimental HFOV is feasible and that Hyperpolarized 3^He allows for imaging the gas re-distribution inside the lung. Finally, numerical results of oscillatory flow in a 3^rd generation model of the lung as well as the impact of endotracheal tubes on the flow regime development in a trachea model are presented
| Document Type: | Contribution to a Collection | ||||||||||||||||||||||||
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| Title: | Magnetic Resonance Imaging and Computational Fluid Dynamics of High Frequency Oscillatory Ventilation (HFOV) | ||||||||||||||||||||||||
| Authors: |
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| Date: | 2011 | ||||||||||||||||||||||||
| Journal or Publication Title: | Fundamentla Medical and Engineering Investigations on Protective Artificila Respiration | ||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||
| In Open Access: | Yes | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Volume: | Vol. 116 | ||||||||||||||||||||||||
| DOI: | 10.1007/978-3-642-20326-8_7 | ||||||||||||||||||||||||
| Page Range: | pp. 107-128 | ||||||||||||||||||||||||
| Editors: |
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| Publisher: | Springer Verlag, Berlin Heidelberg | ||||||||||||||||||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||||||||||||||||||
| ISSN: | 1612-2909 | ||||||||||||||||||||||||
| ISBN: | 978-3-642-20325-1 | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | MRT, CFD Ventilation | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Transport | ||||||||||||||||||||||||
| HGF - Program Themes: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||||||||
| DLR - Research area: | Transport | ||||||||||||||||||||||||
| DLR - Program: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||||||||
| DLR - Research theme (Project): | V - Next Generation Train (old) | ||||||||||||||||||||||||
| Location: | Göttingen | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Fluid Systems | ||||||||||||||||||||||||
| Deposited By: | Prof. Dr.-Ing. Claus Wagner | ||||||||||||||||||||||||
| Deposited On: | 14 Dec 2011 09:05 | ||||||||||||||||||||||||
| Last Modified: | 14 May 2012 15:58 |
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