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...
化工学报  2014 

高效复合强化换热器的管程性能

DOI: 10.3969/j.issn.0438-1157.2014.02.012, PP. 453-459

Keywords: 内螺纹扭曲椭圆管,管程传热膜系数,管程压降,传热

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过搭建内螺纹扭曲椭圆管复合强化管换热器传热与压降性能测试平台,对内螺纹扭曲椭圆管复合强化管换热器的管程传热和流阻性能进行了实验研究,以实验数据为基础拟合得到其对流传热系数和流动摩擦阻力系数与管内流体Reynolds数的计算准则关系式,将内螺纹扭曲椭圆管与光滑圆管、内螺纹圆管、光滑扭曲管的管程传热、流阻以及综合性能进行对比分析,结果显示内螺纹扭曲管流动阻力略高于其他类型的换热管,传热效果和综合性能明显优于其他类型换热管。内螺纹扭曲管作为一种内螺纹和扭曲扁管强化传热技术的叠加技术,强化传热效果明显,具有重要的工程应用价值。

References

[1]  Ju Zaitang(鞠再堂). Twisted elliptical tube heat exchanger [J]. Chemical Equipment Technology(化工装备技术), 2003, 24(5): 19-22
[2]  Gu Weizao(顾维藻), Shen Jiarui(神家锐), Ma Chongfang(马重芳), Zhang Yuming(张玉明). Heat Transfer Enhancement(强化传热) [M]. Beijing: Science Press, 1990: 139-150
[3]  Yang Lei(杨蕾). Numerical simulation and experimental research on heat transfer performance of twisted tube double shell side heat exchanger [D]. Guangzhou: South China University of Technology, 2010: 48-53
[4]  Si Qin(思勤), Xia Qing(夏青), Liang Longhu(梁龙虎), Li Dingxu(李定绪). Investigation of heat transfer and flow resistance on twisted tube heat exchanger [J]. Journal of Chemical Industry and Engineering(China)(化工学报), 1995, 46(5): 601-608
[5]  Gao Xuenong(高学农), Zou Huachun(邹华春), Wang Duanyang(王端阳), Lu Yingsheng(陆应生). Heat transfer and flow resistance properties in twisted oblate tube with large twist ratio [J]. Journal of South China University of Technology: Natural Science Edition(华南理工大学学报:自然科学版), 2008, 36(11): 17-21
[6]  Levlev V M, Kalinin E K, Danilov I I, Dzyubenko B V, Dreitser G A. Heat transfer in the turbulent swirling flow in a channel of complex shape// Proceedings of the Seventh International Conference[C]. Washington D C: Hemisphere Publishing Corporation, 1982: 171-176
[7]  Dzyubenko B V. Drag in heat exchanger with a twisted flow [J]. Inzhenerno-Fizicheskii Zhurnal, 1981, 44(3): 357-362
[8]  Webb R L. Heat transfer and friction characteristics of internal helical-rib roughness [J]. Journal of Heat Transfer, 2000, 122: 134-142
[9]  Chen Pingyi(陈平一), Yang Dong(杨东), Lü Dangzhen(吕党珍), Yu Pengfeng(于鹏峰). Research on heat transfer characteristics of ribbed tube [J]. Hunan Electric Power(湖南电力), 2011, 31(6): 1-6
[10]  Yang Shiming(杨世铭), Tao Wenquan(陶文铨). Heat Transfer(传热学) [M]. Beijing: Higher Education Press, 1998
[11]  Huang Weixing(黄卫星), Chen Wenmei(陈文梅). Engineering Fluid Mechanics(工程流体力学) [M]. Beijing: Chemical Industry Press, 2005
[12]  Ludwig E E. Chemical Equipment and Practical Process Design [M].Beijing: Chemical Industry Press, 2005
[13]  Webb R L. Performance evaluation criteria for use of enhanced heat transfer surface in heat exchanger design [J].International Journal of Heat and Mass Transfer, 1981, 24(4): 715-726
[14]  Zhu Dongsheng(朱冬生), Qian Songwen(钱颂文), Ma Xiaoming(马晓明). Development of Heat Exchanger Technology [M]. Beijing: China Petrochemical Press, 2008

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133