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Figure 5 | BioMedical Engineering OnLine

Figure 5

From: Neonatal non-contact respiratory monitoring based on real-time infrared thermography

Figure 5

Physiology of heat transfer processes inside nasal cavity. (a) Anatomical section through the nasal cavity, showing the mechanism of heat exchange between the internal tissue lining and the flowing air inside the nasal cavity (inspiration-expiration phase) which consist of the following: (1) convective air flow inside nasal cavity, (2) perfusion heat transfer inside nasal blood vessels, (3) convective heat loss over mucosal film, (4) conductive heat loss of mucosal film on nostrils inner lining and (5) radiative heat loss from nostrils tissue, (b) schematic representation of heat transfer processes inside the nasal cavity, (© MedIT, 2011).

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