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| The Influence of Protective Atmosphere and Structural Properties on Steel Strip Cooling Characteristics in Continuous Annealing Furnace |
| PAN Liang-Ming Ming-xi Mao |
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Abstract The requirement to the high-quality cold-rolled sheet production process is very high. Therefore the easy controlled rapid stable cooling rate has become an important way to enhance the quality of steel robin. In present paper, the unsteady standard k-ε turbulence model was adopted to simulate the continuous annealing furnace steel cooling process, the simulation agrees the experimental results very well. The investigation found that the temperature uniformity and cooling rate are optimized when the hydrogen concentration is 30%; controlling cooling rate can be realized by controlling the initial temperature, bellows-strip spacing and jet rate of the cooling gas.
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Received: 16 February 2009
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2009, Vol. 44 
