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第5期 赵飞等:环境温度对超音速氧气射流特性影响的数值模拟 ·673· 程中引射环境气体导致的.氧气体积分数的模拟值 B]Sforza P M,Stasi W.Heated three-dimensional turbulent jets.J 与实测值的吻合度较高.高温环境条件与低温环境 Heat Transfer,1979,101(2):353 4]Lau J C,Morris P J,Fisher M J.Measurements in subsonic and 条件相比,氧气体积分数衰减趋势较为缓慢.这主 supersonic free jets using a laser velocimeter.J Fluid Mechs 要由两个方面原因导致的:一方面是高温环境下射 1979,93(1):1 流引射的环境气体量较少:另一方面是高温条件下, [5]Kapner J D,Li K,Larson R H.An experimental study of mixing 环境中氧气含量比低温环境中氧气含量要高(如表 phenomena of turbulent supersonic jets.Int Heat Mass Transfer, 2所示). 1970,13(5):932 [6]Sumi 1,Kishimoto Y,Kikuchi Y,et al.Effect of high-tempera- 4结论 ture field on supersonic oxygen jet behavior.ISIJ Int,2006,46 (9):1312 (1)高温环境条件与低温环境条件相比,超音 D]Menter F R.Two-equation eddyviscosity turbulence models for 速氧气射流的速度衰减受到抑制,射流核心段长度 engineering applications.AIAA J,1994,32(8):1598 得到延长. [8]Zhang D L.A Course in Computational Fluid Dynamics.Beijing (2)不同环境温度条件下,氧气射流的温度随 Higher Educiation Press,2010 (张德良.计算流体力学教程.北京:高等教育出版社,2010) 着氧气射流的扩散不断升高,最终趋于环境温度. Anderson J D Jr.Computational Fluid Dynamics.Yao Z H,Zhou (3)射流的压力分布趋势与射流速度分布趋势 Q,Translated.Beijing:Tsinghua University Press,2010 一致.数值模拟得到的射流速度、温度和压力结果 (Anderson J D Jr..计算流体力学入门.姚朝晖,周强,译.北 与实测值吻合度较高 京:清华大学出版社,2010) [10]Shen Y S,Li B W.Basis of Metallurgy Transfer Principle.Bei- jing:Metallurgical Industry Press,2000 参考文献 (沈颐身,李保卫.治金传输原理基础。北京:治金工业出版 Corrsin S,Uberoi M S.Further experiments on the flow and heat 社,2000) transfer in a heated turbulent air jet //National Advisory Commit- [11]Yuan Z F,Pan Y F.Oxygen Lance Technology for Steelmaking. tee for Aeronautics,1950,998:1865 Beijing:Metallurgical Industry Press,2007 2]Kataoka K,Takam T.Experimental study of eddy diffusion model (袁章福,潘贻芳.炼钢氧枪技术.北京:治金工业出版社, for heated turbulent free jets.A/ChE J,1977,23 (6):889 2007)第 5 期 赵 飞等: 环境温度对超音速氧气射流特性影响的数值模拟 程中引射环境气体导致的. 氧气体积分数的模拟值 与实测值的吻合度较高. 高温环境条件与低温环境 条件相比,氧气体积分数衰减趋势较为缓慢. 这主 要由两个方面原因导致的: 一方面是高温环境下射 流引射的环境气体量较少; 另一方面是高温条件下, 环境中氧气含量比低温环境中氧气含量要高( 如表 2 所示) . 4 结论 ( 1) 高温环境条件与低温环境条件相比,超音 速氧气射流的速度衰减受到抑制,射流核心段长度 得到延长. ( 2) 不同环境温度条件下,氧气射流的温度随 着氧气射流的扩散不断升高,最终趋于环境温度. ( 3) 射流的压力分布趋势与射流速度分布趋势 一致. 数值模拟得到的射流速度、温度和压力结果 与实测值吻合度较高. 参 考 文 献 [1] Corrsin S,Uberoi M S. Further experiments on the flow and heat transfer in a heated turbulent air jet / / National Advisory Commit￾tee for Aeronautics,1950,998: 1865 [2] Kataoka K,Takam T. Experimental study of eddy diffusion model for heated turbulent free jets. AIChE J,1977,23( 6) : 889 [3] Sforza P M,Stasi W. Heated three-dimensional turbulent jets. J Heat Transfer,1979,101( 2) : 353 [4] Lau J C,Morris P J,Fisher M J. Measurements in subsonic and supersonic free jets using a laser velocimeter. J Fluid Mechs, 1979,93( 1) : 1 [5] Kapner J D,Li K,Larson R H. An experimental study of mixing phenomena of turbulent supersonic jets. Int J Heat Mass Transfer, 1970,13( 5) : 932 [6] Sumi I,Kishimoto Y,Kikuchi Y,et al. Effect of high-tempera￾ture field on supersonic oxygen jet behavior. ISIJ Int,2006,46 ( 9) : 1312 [7] Menter F R. Two-equation eddy-viscosity turbulence models for engineering applications. AIAA J,1994,32( 8) : 1598 [8] Zhang D L. A Course in Computational Fluid Dynamics. Beijing: Higher Educiation Press,2010 ( 张德良. 计算流体力学教程. 北京: 高等教育出版社,2010) [9] Anderson J D Jr. Computational Fluid Dynamics. Yao Z H,Zhou Q,Translated. Beijing: Tsinghua University Press,2010 ( Anderson J D Jr. 计算流体力学入门. 姚朝晖,周强,译. 北 京: 清华大学出版社,2010) [10] Shen Y S,Li B W. Basis of Metallurgy Transfer Principle. Bei￾jing: Metallurgical Industry Press,2000 ( 沈颐身,李保卫. 冶金传输原理基础. 北京: 冶金工业出版 社,2000) [11] Yuan Z F,Pan Y F. Oxygen Lance Technology for Steelmaking. Beijing: Metallurgical Industry Press,2007 ( 袁章福,潘贻芳. 炼钢氧枪技术. 北京: 冶金工业出版社, 2007) · 376 ·
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