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Simulation of the Flow in a Human Nose

  • Conference paper

Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM,volume 112)

Summary

The human nose is a very complex organ. The main airways together with a multiplicity of nasal cavities and sinuses are involved in the various functions of the nose. It warms and humidifies the inspired air, filters out small particles and supports the olfaction process by transporting odor-bearing particles to the muscous membranes. The flow simulations presented in this paper are based on the geometry of a real human nose. Based on a series of CT images, a body-fitted, hybrid numerical grid was built up. The DLR THETA code is used to simulate the unsteady flow inside the nose. The transport of a marker gas is simulated to visualise the entrainment of air from the sinuses to the inspired air.

Keywords

  • Nasal Cavity
  • Paranasal Sinus
  • Mixture Fraction
  • Multi Grid Method
  • Computer Tomography Image

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Miki, T., Imai, Y., Nakamura, M., Iwamura, C., Ishikawa, T., Wada, S., Yamaguchi, T.: Image-Based Pulmonary Airflow Simulation using Cartesian Adaptive Mesh Generation. In: 5th European Congress on Computational Methods in Applied Sciences and engineering, Venice (2008)

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  2. Pennecot, J., Krenkel, L.: An Automated Reconstruction of the Lungs for CFD Simulations. In: 5th European Congress on Computational Methods in Applied Sciences and engineering, Venice (2008)

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  3. Knopp, T., Zhang, X., Kessler, R., Lube, G.: Enhancement of an industrial finite-volume code for the large-eddy-type simulation of incompressible high Reynolds number flow using near-wall modelling. Comput. Methods Appl. Mech. Engrg. (2009) (accepted for publication), doi:10.1016/j.cma.2009.01.005

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© 2010 Springer-Verlag Berlin Heidelberg

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Kessler, R., Rütten, M., Pennecot, J. (2010). Simulation of the Flow in a Human Nose. In: Dillmann, A., Heller, G., Klaas, M., Kreplin, HP., Nitsche, W., Schröder, W. (eds) New Results in Numerical and Experimental Fluid Mechanics VII. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 112. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14243-7_64

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  • DOI: https://doi.org/10.1007/978-3-642-14243-7_64

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-14242-0

  • Online ISBN: 978-3-642-14243-7

  • eBook Packages: EngineeringEngineering (R0)