Enhancement of upward facing spray cooling by benzene added water

Ravikumar, Kollati Prudhvi; Sahoo, Abanti; Mohapatra, Siba Shankar

doi:10.1007/s10973-023-12035-1

Cited by 3 publications

(1 citation statement)

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“…Since a flat plate structure is one of the typical shape structures of a target, it is valuable to calculate the cooling of a flat plate structure in real-scale space and analyze the change of its infrared radiance to grasp the characteristics of the target as well as to design the water spray rationally. Tan [7] performed numerical calculations of a spray system in a greenhouse using a CFD method under natural ventilation conditions in summer, Poudel [8] performed CFD calculations of liquid evaporation and phase transitions in a microchannel structure, Xing [9] validated a numerical simulation method suitable for modeling water film and spray co-cooling of a high-pressure thermodynamic down streamer, Wang [10] performed a study on the diesel engine dispatching spray flow and heat transfer simulation, Guggilla [11] analyzed the boiling state of a single droplet impacting a superheated surface, Aksoy [12] investigated spray cooling of titanium dioxide-water nanofluids on a hot surface, Ravikumar [13] studied the effect of adding benzene to water to improve the upward spray cooling, Jowkar [14] analyzed spray cooling was numerically analyzed, and Wang [15] numerically investigated the heat transfer characteristics of spray-cooled double-layer curtain walls, but none of the above studies have investigated spray cooling in open natural spaces. Large real scale, open space water spray on composite flat plate surface heat transfer calculations have also not been reported.…”

Section: Introductionmentioning

confidence: 99%

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

Chen,

Song,

et al. 2024

International Conference on Frontiers of Applied Optics and Computer Engineering (AOCE 2024)

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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.

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