薄带连铸结晶辊表面形貌对界面传热的影响
Effects of Surface Texture of Strip Continuous Casting Rollers on Interfacial Heat Transfer
摘 要
利用宝钢自主开发的界面热流测量装置研究了薄带连铸用铜结晶辊表面形貌对界面传热的影响, 并建立了界面传热模型。结果表明: 结晶辊表面与钢液的接触面积越大, 界面的峰值热流越大; 研究的三种结晶辊的平均热流相差不大; 该界面传热模型可以较好地预测结晶辊表面形貌对界面传热的影响。
表面形貌
界面热流
传热模型
strip continuous casting
surface texture
interfacial heat flux
heat transfer model
Abstract
The effect of the surface texture of Cu roller used for strip continuous casting on interfacial heat transfer was studied by interfacial heat flux measurement system, which was individually developed by Baosteel, and then built the interfacial heat transfer model. The results show that the more the contact area between roller surface and molten steel, the more the interfacial peak heat flux, and the average heat flux of three kinds of rollers had little differences. The interfacial heat transfer model could predict the effect of surface texture of rollers on interfacial heat transfer fairly good.
中图分类号 TG142.1
所属栏目 试验研究
基金项目 上海市科委创新科技支撑计划项目(07DZ11003)
收稿日期 2011/2/16
修改稿日期 2011/11/10
网络出版日期
作者单位点击查看
备注周川(1987-), 男, 江西吉水人, 硕士研究生。
引用该论文: ZHOU Chuan,YU Yan,FANG Yuan,WANG Cheng-quan,WANG Jun. Effects of Surface Texture of Strip Continuous Casting Rollers on Interfacial Heat Transfer[J]. Materials for mechancial engineering, 2012, 36(3): 14～17
周川,于艳,方园,王成全,王俊. 薄带连铸结晶辊表面形貌对界面传热的影响[J]. 机械工程材料, 2012, 36(3): 14～17
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参考文献
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【5】张卫,梁高飞,王成全,等.一种薄带连铸工艺中瞬态界面传热模拟测量方法[J].宝钢技术,2009(4):32-34.
【6】LOULOU T, ARTYUKHIN E A, BARDON J P. Estimation of thermal contact resistance during the first stages of metal solidification process, part II: experiment setup and results[J].International Journal of Heat and Mass Transfer,1999,42:2129-2142.
【7】WANG G, MATTHYS E. Experimental determination of the interfacial heat transfer during cooling and solidification of molten metal droplets impacting on a metallic substrate: effect of roughness and superheat[J].International Journal of Heat and Mass Transfer,2002,45(25):4967-4981.
【2】于艳,方园,秦波,等.薄带连铸界面传热热流分析[J].钢铁,2004(4):422-424.
【3】STREZOV L, HERBERTSON J. Experimental studies of interfacial heat transfer and initial solidification pertinent to strip casting[J].ISIJ International,1998,38(9):959-966.
【4】STREZOV L, HERBERTSON J, BELTON G. Mechanisms of initial melt/substrate heat transfer pertinent to strip casting[J].Metallurgical and Materials Transactions B,2000,31(5):1023-1030.
【5】张卫,梁高飞,王成全,等.一种薄带连铸工艺中瞬态界面传热模拟测量方法[J].宝钢技术,2009(4):32-34.
【6】LOULOU T, ARTYUKHIN E A, BARDON J P. Estimation of thermal contact resistance during the first stages of metal solidification process, part II: experiment setup and results[J].International Journal of Heat and Mass Transfer,1999,42:2129-2142.
【7】WANG G, MATTHYS E. Experimental determination of the interfacial heat transfer during cooling and solidification of molten metal droplets impacting on a metallic substrate: effect of roughness and superheat[J].International Journal of Heat and Mass Transfer,2002,45(25):4967-4981.
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