全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

钢管超快冷过程数学模型的研究与开发

DOI: 10.3969/j.issn.1006-7043.201310065

Keywords: 钢管, 超快冷, 射流冲击换热, 数学模型

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了提高钢管超快冷过程的温度控制精度、冷却均匀性以及组织性能控制的精准度, 分析了钢管超快冷过程的换热机理, 确定射流冲击为钢管超快冷过程的主要换热方式。利用反传热法对钢管表面换热系数进行测定;利用导热方程, 建立钢管超快冷过程射流冲击换热数学模型, 采用第三类边界条件和有限差分法求解该数学模型。应用此数据模型可以计算特定温度范围内的平均冷却速度和所用时间, 也可以计算一定时间范围内的温降和平均冷却速度。经现场测试, 由该数学模型计算得到的温降曲线与实际温降曲线基本相同, 模型计算精度很高, 具有可应用性和执行性。

References

[1]  赵宪明, 孙艳坤, 王永红. 轴承钢棒材超快速冷却的试验研究[J]. 东北大学学报:自然科学版, 2010, 31(7): 947-952. ZHAO Xianming, SUN Yankun, WANG Yonghong. Commericial test of ultra-fast cooling for bearing steel bar[J]. Journal of Northeastern University:Natural Science, 2010, 31(7): 947-952.
[2]  赵宪明, 郭飞, 王丽娜, 等. 超快冷对H型钢冷却变形的影响[J]. 东北大学学报:自然科学版, 2012, 33(7): 949-952. ZHAO Xianming, GUO Fei, WANG Lina, et al. Effect of ultra-fast cooling on cooling distortion for H-beam steel[J]. Journal of Northeastern University:Natural Science, 2012, 33(7): 949-952.
[3]  WANG Xuefeng, ZHANG Nengli. Numerical analysis of heat transfers in pulsating turbulent flow in a pipe[J]. International Journal of Heat and Mass Transfer, 2005, 48: 3957-3970.
[4]  韩会全, 陈泽军, 胡建平, 等. J55钢级焊接油井管在线空冷工艺的研究[J]. 钢管, 2012, 41(3): 24-27. HAN Huiquan, CHEN Zejun, HU Jianping, et al. Study on on-line controlled-cooling process for j55 oil well weld pipe[J]. Steel Pipe, 2012, 41(3): 24-27.
[5]  许亚华.日本无缝钢管水淬工艺[J]. 钢管, 1996 (3): 57-61. XUN Yahua. Water-quenching technoligies for seamless steel pipes employed in Japan[J]. Steel Pipe, 1996, (3): 57-61.
[6]  李彬, 郭东, 钱强, 等. 钢管内喷旋流淬火技术[J]. 金属热处理, 2008, 33(7): 77-79. LI Bin, GUO Dong, QIAN Qiang, et al. Internal rotation quenching technology for steel pipe[J]. Heat Treatment of Metals, 2008, 33(7): 77-79.
[7]  张少军, 胡树山, 刘国勇, 等. 基于Fluent 的无缝钢管控制冷却喷嘴布置参数[J]. 北京科技大学学报, 2010, 32(1): 123-127. ZHANG Shaojun, HU Shushan, LIU Guoyong, et al. Layout parameters of controlled cooling nozzles for seamless pipes based on fluent software[J]. Journal of University of Science and Technology Beijing, 2010, 32(1): 123-127.
[8]  骆宗安, 王国栋, 冯莹莹, 等. 一种钢管超快速淬火冷却装置[P]. 中国, ZL 201210345413.4, 2013-09-25.
[9]  小?纯一. ??压延における材料の温度?化の予想计算法に?する基?的研究[J].塑性と加工, 1970, 11: 816-818.
[10]  TAN X, CONWAY P P. Thermo-mechanical properties and regression models of alloys: AISI 305, CK 60, CuBe2 and Laiton MS 63[J]. Materials Processing Technology, 2005, 168: 152-16.
[11]  王国栋. 新一代控制轧制和控制冷却技术与创新的热轧过程[J]. 东北大学学报:自然科学版, 2009, 30(7): 918-919. WANG Guodong. New generation TMCP and innovative hot rolling process[J]. Journal of Northeastern University:Natural Science, 2009, 30(7): 918-919.
[12]  王昭东, 袁国, 王国栋, 等. 热带钢超快速冷却条件下对流换热系数研究[J]. 钢铁, 2006, 41(7): 54-64. WANG Zhaodong, YUAN Guo, WANG Guodong, et al. Heat transfer coefficient of hot rolled strip during ultra fast cooliing process[J]. Iron & Steel, 2006, 41(7): 54-64.
[13]  PUSSEGODA L N, YUE S, JONAS J J. Effect of intermediate cooling on grain refinement and precipitation during rolling of seamless tubes[J]. Material Science and Technology, 1991, 7(2): 129-130.
[14]  PUSSEGODA L N, YUE S, JONAS J J. Laboratory simulation of seamless tube piercing and rolling using dynamic recrystallisation schedules[J]. Metallurgical Transactions A, 1990, 21A (1): 153-154.
[15]  付天亮. 中厚板辊式淬火机冷却过程数学模型的研究及控制系统的建立[D].沈阳:东北大学, 2010: 17-61. FU Tianliang. Research of medium plate roller quenching machine cooling process mathematical model and establishment of control system[D].Shenyang: Northeastern University, 2010: 17-61.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133