Calculation of water spray on heat transfer of composite flat plate and analysis of the effect on infrared radiation

Zhongwei Chen; Hanjiang Song; Yunpeng Fu; Fei Xu

doi:10.1117/12.3025335

21 February 2024 Calculation of water spray on heat transfer of composite flat plate and analysis of the effect on infrared radiation

Zhongwei Chen, Hanjiang Song, Yunpeng Fu, Fei Xu

Author Affiliations +

Proceedings Volume 13080, International Conference on Frontiers of Applied Optics and Computer Engineering (AOCE 2024); 1308006 (2024) https://doi.org/10.1117/12.3025335
Event: International Conference on Frontiers of Applied Optics and Computer Engineering, 2024, Kunming, China

Abstract

In this paper, the cooling calculation and analysis of the flat plate structure containing internal heat source is carried out, and a relatively complete calculation model consisting of continuous phase control equation, discrete phase equation and mass, momentum and energy conservation equations of liquid film is established, which realizes the calculation simulation that can be applied to the cooling heat transfer of water spray in large space. Calculations show that the trend of calculated results in this paper and the experimental data are consistent. The maximum difference between the average water film temperature and the measured temperature on the infrared imager is 1.9°C, and the maximum difference between the calculated temperature of the flat plate and the 9-point average temperature of the thermocouple is 0.9°C. The water spray cooling of the flat plate is calculated to reduce the temperature of the experiment plate by 16.5℃ in 34 seconds, and the infrared radiance of 3~5μm is reduced by 45.5%, the infrared radiance of 8~12μm is reduced by 24.2%. The water spray cooling has a significant effect on the infrared characteristics of the plate.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhongwei Chen, Hanjiang Song, Yunpeng Fu, and Fei Xu "Calculation of water spray on heat transfer of composite flat plate and analysis of the effect on infrared radiation", Proc. SPIE 13080, International Conference on Frontiers of Applied Optics and Computer Engineering (AOCE 2024), 1308006 (21 February 2024); https://doi.org/10.1117/12.3025335

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