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- W2557638725 abstract "In order to reduce temperature difference between the web and flange of the H-beam and in the height direction of the web, the spray cooling technology has been proposed to control the temperature difference when the H-beam left the finishing rolling mill. An experiment of spray cooling for a heated plate has been performed, and this cooling process has been simulated using the computational fluid dynamics software Fluent. The re-normalization group k–ε model has been adopted in this study to simulate turbulence model with discrete phase method. And the temperature fields of the simulated are compared with those of the experiment to verify the correctness of the simulation method. Moreover, a three-dimensional of 1/2 H-beam spray cooling model has also been established. In order to obtain a better cooling effect, the angle between the nozzle center outside the R angle and the inner surface of the flange is defined as 45° and the distance between them is defined as 140 mm. The working pressure of the nozzle, the mean droplet size, and the water flow rate are also suggested to be 0.25 MPa, 150 µm, and 16 L/min, respectively. The recommended nozzle interval in the rolling direction is 300 mm to uniform the temperature distribution along the length direction. The temperature difference between the web and flange of the H-beam and the temperature difference in the height direction are decreased 234°C and 71.8°C, respectively." @default.
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- W2557638725 date "2016-10-01" @default.
- W2557638725 modified "2023-09-24" @default.
- W2557638725 title "Research on the mechanism of spray cooling of H-beam after rolling" @default.
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- W2557638725 doi "https://doi.org/10.1177/1687814016672540" @default.
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