Study on the 2-D Simulation of the Cooling Process of Steel Strips on a Run-Out Table
Gadala, Mohamed S.
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he cooling process of steel strips on the run-out table (ROT) is simulated using 2-D modelings. The effect of nonuniform heat flux in the width direction on the coiling temperature is investigated using transverse 2-D modeling. The coiling temperature difference may be up to 20°C when there is a 15% HTC difference across the width. In the 2-D longitudinal simulations, a time-space shift scheme is developed and used to specify the heat transfer conditions on ROT. It is found that the longitudinal heat transfer is fairly localized and concentrated around the entrance and exit of the impingement zones. It is also found that the temperature differences between 1-D and 2-D modeling are, generally, less than 3°C. These 2-D simulation results suggest that the 2-D modeling may have a modest impact on the accuracy of prediction of coiling temperature of steel strips during the ROT cooling process.