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Related Experiment Video

Updated: Mar 1, 2026

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New CFD tools to evaluate nasal airflow.

M A Burgos1, E Sanmiguel-Rojas2, C Del Pino3

  • 1Departamento de Ingeniería Térmica y de Fluidos, Universidad Politécnica de Cartagena, Cartagena, Spain.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|May 27, 2017
PubMed
Summary
This summary is machine-generated.

Computational fluid dynamics (CFD) software, MECOMLAND® and NOSELAND®, offers intuitive nasal airflow analysis for rhinologists. This non-invasive tool aids in diagnosing and managing nasal pathologies with enhanced precision and patient safety.

Keywords:
3D modelAirflowComputational fluid dynamicsNasal cavity

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Computational Science

Background:

  • Computational fluid dynamics (CFD) is an advanced analytical tool for airflow analysis.
  • CFD is not yet a standard tool for rhinologists, limiting its application in nasal airflow studies.
  • There is a demand for intuitive, precise, and powerful CFD software for evaluating nasal airflow.

Purpose of the Study:

  • To introduce MECOMLAND® and NOSELAND®, user-friendly CFD software designed for rhinologists.
  • To provide a non-invasive, low-cost alternative for functional nasal airflow studies.
  • To validate the software's efficacy in differentiating nasal airflow characteristics between normal and deviated septa.

Main Methods:

  • Developed MECOMLAND® software utilizing patient tomographic images for CFD analysis.
  • Integrated NOSELAND® for user-friendly post-processing with 3D endoscopic views and dynamic reports.
  • Validated software by comparing CFD-derived parameters (wall shear stress, velocity, pressure drop, flow rates) in patients with normal noses versus those with septal deviations.

Main Results:

  • MECOMLAND® and NOSELAND® provide quantitative airflow data including distributions, velocity, pressure, temperature, and wall shear stress.
  • Wall shear stress was found to be lower in normal noses compared to those with septal deviations.
  • Significant differences in velocity field distribution, pressure drop, and flow rates were observed between normal and deviated nasal cavities.

Conclusions:

  • MECOMLAND® and NOSELAND® software effectively meet the demand for intuitive and precise CFD analysis in rhinology.
  • These tools offer a valuable, non-invasive method for the functional study of complex rhinologic cases.
  • The software holds promise for simulating virtual surgical interventions and understanding airflow dynamics under various conditions.