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A Mathematical Model to Investigate Heat Transfer in Footwear during Walking and Jogging

Nemati, N, Moghimi, M.A and NAEMI, Roozbeh (2020) A Mathematical Model to Investigate Heat Transfer in Footwear during Walking and Jogging. Journal of Thermal Biology. ISSN 0306-4565

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Abstract or description

Foot temperature during activities of daily living affects the human performance and well-being. Footwear thermal characteristics affect the foot temperature inside the shoe during activities of daily living. The temperate at the sole of the foot (plantar temperature) is influenced by different thermal properties such as heat capacity, heat diffusivity, and thermal conductivity of the shoe sole in addition to its mechanical properties. Hence the purpose of this study was to propose a method to allow investigating the effect of footwear thermal characteristics on the foot temperature during activities of daily living, like walking or jogging.
The transient heat transfer between the foot and the ground was studied to drive the governing equation for heat transfer modelling in footwear and to predict foot sole temperature during walking, and jogging. Different thermo-mechanical properties of shoe sole, as well as geometrical parameters, were investigated. The proposed model showed to be able to adequately predict the plantar temperature at the ball of the foot when compared to the results from experimental measurements. Finally, using the proposed method, the thermal behaviour of two different shoes with two different sole materials EVA08 and EVA12 were compared. It was shown that heat capacity as compared to the thermal conductivity of the shoe sole is more effective in reducing the plantar temperature increase in short term. The proposed method proved to be able to accurately predict the thermal behaviour of shoes and can provide a tool to predict footwear thermal comfort.

Item Type: Article
Faculty: School of Life Sciences and Education > Sport and Exercise
Depositing User: Roozbeh NAEMI
Date Deposited: 05 Jan 2021 11:12
Last Modified: 03 Apr 2023 14:57

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