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contributor authorPrihambodo H. Saksono
contributor authorPerumal Nithiarasu
contributor authorIgor Sazonov
date accessioned2017-05-09T00:52:27Z
date available2017-05-09T00:52:27Z
date copyrightMarch, 2012
date issued2012
identifier issn0022-1481
identifier otherJHTRAO-27935#031022_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/149530
description abstractIn this paper, the flow and heat transfer patterns in a subject-specific geometry of the human upper airway is numerically studied. The study was conducted for steady, inspiratory flow associated with quiet normal breathing with a tidal volume of VT = 0.5 L/min and flow rate of Q = 250 cm3 /s. The numerical results confirmed in vivo measurement that the majority of heat transfer process takes place inside the nasal cavity. It is apparent that even for extreme cases (T∞ = −30 °C and Twall = 37 °C), the inspired air approached the body temperature by the time it passes the distal nasopharyngeal region. The air temperature reached the body temperature by the time it is in the vicinity of the larynx.
publisherThe American Society of Mechanical Engineers (ASME)
titleNumerical Prediction of Heat Transfer Patterns in a Subject-Specific Human Upper Airway
typeJournal Paper
journal volume134
journal issue3
journal titleJournal of Heat Transfer
identifier doi10.1115/1.4005158
journal fristpage31022
identifier eissn1528-8943
keywordsFlow (Dynamics)
keywordsTemperature
keywordsHeat transfer
keywordsCavities
keywordsGeometry
keywordsEquations AND Mesh generation
treeJournal of Heat Transfer:;2012:;volume( 134 ):;issue: 003
contenttypeFulltext


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