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Dynamic surface temperature testing method based on numerical simulation technology in metal-based microreactors
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DOI：10.1088/1361-6501/ae0496.png)
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Abstract
En 中文
No specialized techniques are available for testing the surface temperature of metal-based microreactors. In this study, we developed a dynamic surface temperature testing method based on numerical simulation technology. First, a physical model corresponding to the internal structure of a metal microreactor was constructed and meshed. Second, data were collected on the microreactor’s material, the temperature of the microreactor’s inlet, and the flow rate of the microreactor’s material for the numerical simulation model to identify variation in temperature inside the microreactor. Finally, a surface temperature testing method was developed on the basis of these dynamic changes in temperature inside the microreactor. Measurements revealed that the proposed method yielded a temperature sensor error of ΔT = 1.7 °C at the inlet of the microreactor, with extended uncertainty of U = 1.3 °C (k = 2), whereas the traditional method yielded an error of ΔT = 1.2 °C, with extended uncertainty of U = 0.6 °C (k = 2). Compared with the traditional method, the proposed method yielded more credible results.
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