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激波是超音速气流中液体属性的不连续面,气流通过激波时速度下降,温度和压强升高.氧气转炉炼钢的氧气是通过拉瓦尔管以超音速射流状态吹人转炉.在氧枪喷头设计和制定供氧制度时要减小激波损失.在转炉的某些特殊吹炼工艺中要把激波控制在适当范围内,以取得良好的冶金效果.

Shock wave is the non-consecutive boundary layer of liquid property in supersonic flow. Airflow pass through the shock wave speed decreased, temperature and pressure rise. Oxygen is blown into converter through ul-trasonic jet by Laval nozzle. Loss of shock wave should be decreased when design oxygen lance nozzle and oxygen blowing system. In order to obtain good metallurgical effect, shock wave should be controlled at suitable range at some special blowing process.

参考文献

[1] A H 夏皮罗;陈立子.可压缩流的动力学与热力学[M].北京:科学出版社,1966
[2] 严宗毅;许世雄.流体力学[M].北京:高等教育出版社,2000
[3] T H 阿勃拉莫维奇;粱秀彦.实用气体动力学[M].北京:高等教育出版社,1955
[4] R D 佩尔克;邵象华.氧气顶吹转炉炼钢[M].北京:冶金工业出版社,1980
[5] 杨文远,蒋晓放,王明林,邹节忠,宁爱民.大中型转炉高效吹氧技术研究[J].钢铁,2009(01):27-30.
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