Heat Transfer Studies on Structured Metal Sheets

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Josef Egert
Karel Fraňa
Sylvio Simon
Steffen Wichmann


Unsteady turbulent airflow in a parallel way with a plain and a hexagonal sheet was analyzed numerically and experimentally in order to determine the heat transfer intensity between surfaces of sheets and surrounding airflow. To obtain experimental results for validation of numerical simulations, a measurement facility, composed from aerodynamics tunnel and wire heater, was designed and constructed. The temperature on the sheets was chosen to observe the effects of different surface structures, airflow conditions and input heat power. Results provided by numerical simulations showed good conformity with experimental results. For investigated cases the hexagonal sheet achieved significantly higher heat transfer intensity and lower surface temperature than the plain sheet under the same conditions.

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Egert, J., Fraňa, K., Simon, S., & Wichmann, S. (2016). Heat Transfer Studies on Structured Metal Sheets. Applied Science and Engineering Progress, 9(3). Retrieved from https://ph02.tci-thaijo.org/index.php/ijast/article/view/67518
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