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Conjugate Heat Transfer Analysis of Teflon-Coated Steel Surfaces Exposed to Premixed Flame Jets
Дата публикации: 13-07-2026 22:00:00
Publication date: 14 July 2026
Source: Defect and Diffusion Forum Vol. 453
Author(s): Panit Kamma, Kittipos Loksupapaiboon, Juthanee Phromjan
Composite material systems involving impinging flame jets on flat surfaces are critical in applications requiring precise thermal management and energy efficiency. A prominent example is Teflon-coated steel cookware, where the Teflon layer not only provides a nonstick surface but also influences thermal performance. Optimal coating thickness is essential: excessive thickness can reduce heat transfer efficiency, while insufficient thickness may compromise adhesion and durability. This study investigates the thermal interaction between a premixed flame jet and a Teflon-coated steel substrate using high-fidelity simulations in OpenFOAM. A conjugate heat transfer approach captured the coupled heat fluxes between the flame, steel substrate, and Teflon layer. Teflon thicknesses ranging from 0.01 to 0.20 mm were systematically analyzed to evaluate their effect on heat transfer performance. Simulation results enabled the development of a thermal efficiency model as a function of Teflon thickness, achieving a high correlation (R² = 0.9923). The proposed model offers quantitative guidance for optimizing coating thickness, providing a practical tool for the design and manufacturing of thermally efficient cookware.
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Composite material systems involving impinging flame jets on flat surfaces are critical in applications requiring precise thermal management and energy efficiency. A prominent example is Teflon-coated steel cookware, where the Teflon layer not only provides a nonstick surface but also influences thermal performance. Optimal coating thickness is essential: excessive thickness can reduce heat transfer efficiency, while insufficient thickness may compromise adhesion and durability. This study investigates the thermal interaction between a premixed flame jet and a Teflon-coated steel substrate using high-fidelity simulations in OpenFOAM. A conjugate heat transfer approach captured the coupled heat fluxes between the flame, steel substrate, and Teflon layer. Teflon thicknesses ranging from 0.01 to 0.20 mm were systematically analyzed to evaluate their effect on heat transfer performance. Simulation results enabled the development of a thermal efficiency model as a function of Teflon thickness, achieving a high correlation (R² = 0.9923). The proposed model offers quantitative guidance for optimizing coating thickness, providing a practical tool for the design and manufacturing of thermally efficient cookware.
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July 2026
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[1] A.S. Alaboodi, S. Sivasankaran, and H.R. Ammar: Heliyon Vol. 10 (2024), p. e34676.
[2] C. Guo, Y. Wang, and P. Zhang: Cryogenics Vol. 150 (2025), p.104127.
[3] P. Kamma, K. Loksupapaiboon, J. Phromjan, and C. Suvanjumrat: Journal of Research and Applications in Mechanical Engineering Vol. 13 (2025), p. JRAME 25-13-022.
[4] P. Kamma, K. Loksupapaiboon, J. Phromjan, and C. Suvanjumrat: International Journal of Thermofluids Vol. 27 (2025), p.101206.
[5] P. Kamma, M. Promtong, and C. Suvanjumrat: International Journal of Thermofluids Vol. 22 (2024), p.100654.
[6] P. Kamma and C. Suvanjumrat: Results in Engineering Vol. 20 (2023), p.101462.
[7] P. Kamma and C. Suvanjumrat: International Journal of Automotive and Mechanical Engineering Vol. 18 (2021), pp.9220-9229.
[8] Information on https://www.engineeringtoolbox.com/thermal-conductivity-metals-d_858.html.
[9] Information on https://matmake.com/materials-data/polytetrafluoroethylene-properties.html.
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