NUMERICAL SIMULATION OF TURBULENT AIRFLOW IN A HUMAN UPPER RESPIRATORY SYSTEM

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TAHAVVOR ALI REZA; ZARRINCHANG POUYA; HEIDARI SHAHIN

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:15 Page(s): 267-272

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Title

NUMERICAL SIMULATION OF TURBULENT AIRFLOW IN A HUMAN UPPER RESPIRATORY SYSTEM

Author(s)

TAHAVVOR ALI REZA | ZARRINCHANG POUYA | HEIDARI SHAHIN | Issue Writer Certificate

Keywords

NASAL CAVITYQ2

RESPIRATORY SYSTEMQ2

TURBULENT FLOWQ2

COMPUTATIONAL FLUID DYNAMICSQ1

Abstract

The nose and NASAL CAVITY and sinuses are parts of the upper RESPIRATORY SYSTEM and study of the air passage into the upper component of human airway is important to improve or cure deficiency in human respiration cycle. The nose performs many important physiological functions, including heating, humidifying and filtering inspired air, as well as sampling air to smell. Previously, numerical modeling of TURBULENT FLOW in NASAL CAVITY, sinus, pharynx and larynx was rarely employed Since the 1990s, with the development of computed tomography technology and COMPUTATIONAL FLUID DYNAMICS, a number of numerical studies on gas and particle flows in realistic nasal cavities have been conducted and provide precise data for deeper insight of the nature of nasal airflows. Also, most of the pioneering studies in this field have been developed to investigate only the NASAL CAVITY without sinuses, especially maxillary sinus So, this research attempts to study details of turbulent airflow through all spaces in human head that air can flow through. For this purpose, this study is based on computed tomography scans image of a 26-year old female head, neck and chest without problems in her RESPIRATORY SYSTEM from Shahid Chamran hospital, Shiraz, Iran. It is found that, nasal resistance contributed up to half of the total airway resistance within the first 2-3 cm of the airway and the majority of the flow in this region remained close to the septum wall and only a small proportion reached the olfactory region.

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APA: Copy

TAHAVVOR, ALI REZA, ZARRINCHANG, POUYA, & HEIDARI, SHAHIN. (2015). NUMERICAL SIMULATION OF TURBULENT AIRFLOW IN A HUMAN UPPER RESPIRATORY SYSTEM. MODARES MECHANICAL ENGINEERING, 14(15), 267-272. SID. https://sid.ir/paper/177702/en

Vancouver: Copy

TAHAVVOR ALI REZA, ZARRINCHANG POUYA, HEIDARI SHAHIN. NUMERICAL SIMULATION OF TURBULENT AIRFLOW IN A HUMAN UPPER RESPIRATORY SYSTEM. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(15):267-272. Available from: https://sid.ir/paper/177702/en

IEEE: Copy

ALI REZA TAHAVVOR, POUYA ZARRINCHANG, and SHAHIN HEIDARI, “NUMERICAL SIMULATION OF TURBULENT AIRFLOW IN A HUMAN UPPER RESPIRATORY SYSTEM,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 15, pp. 267–272, 2015, [Online]. Available: https://sid.ir/paper/177702/en

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