Numerical investigation of skin and subcutaneous tissue thermal injury during elevated heating

Oguntala, George and Sobamowo, Gbeminiyi and Hu, Yim‐Fun (2021) Numerical investigation of skin and subcutaneous tissue thermal injury during elevated heating. Fire and Materials. ISSN 1099-1018

Revised Numerical Investigation of Skin and Subcutaneous Tissue Thermal Injury during elevated Heating.pdf - Accepted Version

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This paper presents the non-Fourier bioheat transfer prediction methodology of human skin to determine skin burn injury with non-ideal properties of tissue, metabolism and blood perfusion. The dual-phase lag bioheat transfer model with the inclusion of evaporation is developed for the triple-layer skin tissues. The developed models are solved numerically using Galerkin's finite element method. Parametric studies on the effects of skin tissue properties, initial temperature, blood perfusion rate and heat transfer parameters for the thermal response and exposure time of the layers of the skin tissue are carried out. The results of the investigation are compared with experimental results in the literature. The study demonstrates that the initial tissue temperature, the thermal conductivity of the epidermis and dermis, relaxation and thermalisation time and convective heat transfer coefficient are critical parameters to examine skin burn injury threshold. The study also shows that thermal conductivity and the blood perfusion rate exhibits negligible effects on the burn injury threshold. The objective of the present study is to support the accurate quantification and assessment of skin burn injury for reliable experimentation, design and optimisation of thermal therapy delivery.

Item Type: Article
Identification Number:
25 May 2021Accepted
7 June 2021Published
Uncontrolled Keywords: Electronic, Optical and Magnetic Materials, General Chemistry, Polymers and Plastics, Metals and Alloys, Ceramics and Composites
Subjects: CAH03 - biological and sport sciences > CAH03-01 - biosciences > CAH03-01-10 - others in biosciences
Divisions: Faculty of Health, Education and Life Sciences > School of Health Sciences
SWORD Depositor: JISC PubRouter
Depositing User: JISC PubRouter
Date Deposited: 17 Jun 2021 14:17
Last Modified: 07 Jun 2022 03:00

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