Effect of Septum Deviation on the Airflow Distribution for a Patient Specific Model using Numerical Methods

Mohammad Zuber; Kamarul Arifin Ahmad; S.M. Abdul Khader; Balakrishnan R; Sharath Honnani; Sana Althaf Hussain; A B V Barboza

doi:10.37934/arnht.14.1.4957

Authors

Mohammad Zuber Department of Aeronautical & Automobile Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India
Kamarul Arifin Ahmad Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia, Malaysia
S.M. Abdul Khader Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India
Balakrishnan R Kasturba Medical College &Hospital, Manipal Academy of Higher Education, Manipal, India
Sharath Honnani Yenepoya Medical College, Mangalore
Sana Althaf Hussain Yenepoya Medical College, Mangalore
A B V Barboza Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India

DOI:

https://doi.org/10.37934/arnht.14.1.4957

Keywords:

Septal deviation, Nasal cavity, Turbulence Flow, RANS Model, Wall shear stress, ANSYS Fluent

Abstract

Septal deviation (SD) in nasal cavity plays a crucial role in symptoms related to nasal obstruction, aesthetic appearance of the nose, and increase in nasal resistance, and may induce snoring. The aim of the present study was to evaluate the significance of SD on the air flow behaviour and compare its deviation with a healthy nasal cavity by using CFD. A 3D CAD model of subject specific nasal cavity was generated from CT images of patient with septal deviation. The variation of maximum WSS observed in the present study was higher when compared with that of normal subjects. In contrast to the healthy subject, the airflow in the septal deviation models showed asymmetry in bilateral nasal cavities. The maximum velocity inside the nasal cavity exceeded the value that was usually found at the nasal valve region. The findings from this study help understand the basic aerodynamics in a severely deviated septum.

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Author Biography

S.M. Abdul Khader, Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India

mak.quadri@manipal.edu

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