INVESTIGATION OF THE TRACHEOBRONCHIAL CARTILAGES EFFECT ON THE RESPIRATION BY HYBRID RANS-LES APPROACH

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HEIDARINEJAD GHASSEM; ROOZBAHANI MOHAMMAD HOSSEIN

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:6 Page(s): 201-212

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Information Journal Paper

Title

INVESTIGATION OF THE TRACHEOBRONCHIAL CARTILAGES EFFECT ON THE RESPIRATION BY HYBRID RANS-LES APPROACH

Author(s)

HEIDARINEJAD GHASSEM | ROOZBAHANI MOHAMMAD HOSSEIN | Issue Writer Certificate

Keywords

LARGE EDDY SIMULATIONQ1

WMLES METHODQ1

TRACHEAL CARTILAGEQ1

WALL SHEAR STRESSQ1

Abstract

One of the focused problems in airway flow simulation is pulmonary airways modeling. There are two kinds of Lung models, one is created anatomically based on bronchial data and the second is realistic model which is created based on CT scan images. Unfortunately the cause of deviation between scan data and 3D CAD model or simplification, the result model is different from real pulmonary airways.Anatomical models are simplified and realistic models based on CT scan have major limitation and deviation in the capturing resolution and smoothing stage of make out the 3D model. The lung shape is unsmoothed naturally and the first vital things should be concerned, are cartilage rings as macro-scale roughness. The presented work compares the airflow in both common and modified Horsfield model by cartilage rings in the terms of time averaged WALL SHEAR STRESS which is important in engineering of Cell-Fluid Interactions (CFI). It is shown that cartilage rings affected the trachea and second generation of branches so neglecting the cartilage rings is not reasonable.

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APA: Copy

HEIDARINEJAD, GHASSEM, & ROOZBAHANI, MOHAMMAD HOSSEIN. (2017). INVESTIGATION OF THE TRACHEOBRONCHIAL CARTILAGES EFFECT ON THE RESPIRATION BY HYBRID RANS-LES APPROACH. MODARES MECHANICAL ENGINEERING, 17(6 ), 201-212. SID. https://sid.ir/paper/179248/en

Vancouver: Copy

HEIDARINEJAD GHASSEM, ROOZBAHANI MOHAMMAD HOSSEIN. INVESTIGATION OF THE TRACHEOBRONCHIAL CARTILAGES EFFECT ON THE RESPIRATION BY HYBRID RANS-LES APPROACH. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(6 ):201-212. Available from: https://sid.ir/paper/179248/en

IEEE: Copy

GHASSEM HEIDARINEJAD, and MOHAMMAD HOSSEIN ROOZBAHANI, “INVESTIGATION OF THE TRACHEOBRONCHIAL CARTILAGES EFFECT ON THE RESPIRATION BY HYBRID RANS-LES APPROACH,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 6 , pp. 201–212, 2017, [Online]. Available: https://sid.ir/paper/179248/en

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