墙式切圆燃烧冲蚀磨损与高温腐蚀的耦合作用研究

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1、哈尔滨工业大学工学硕士学位论文3.2网格划分..................................................................................................323.3计算模型.................................................................................................333.3.1湍流模型...................................

2、...............................................................333.3.2气固两相流动模型..................................................................................343.3.3辐射换热模型..........................................................................................353.3.4煤粉

3、燃烧模型..........................................................................................363.3.5硫化物生成模型......................................................................................373.4本章小结.....................................................................

4、............................38第四章水冷壁失效改造方案的研究.....................................................................394.1设计工况下不同煤种的炉内数值模拟....................................................394.1.1不同煤种下各截面H2S的分布..............................................................39

5、4.1.2不同煤种下各截面速度大小..................................................................414.2优化方案数值模拟研究..........................................................................444.2.1不同工况下还原区壁面O2的分布变化.................................................444.2.2不同工况下还原区壁面温度的变化.....

6、..................................................454.2.3不同工况下还原区壁面H2S的分布变化..............................................464.2.4不同工况下还原区壁面速度的变化.......................................................474.3不同偏转角度的数值模拟研究........................................................

7、.......484.4本章小结.................................................................................................51结论.......................................................................................................................52参考文献..............................

8、.....................................................................................53攻读硕士学位期间发