钛合金螺旋扭曲管内强迫对流实验分析

doi:10.12034/j.issn.1009-606X.217290

过程工程学报 ›› 2018, Vol. 18 ›› Issue (2): 274-279.DOI: 10.12034/j.issn.1009-606X.217290

钛合金螺旋扭曲管内强迫对流实验分析

董新宇，毕勤成*，桂淼

西安交通大学动力工程与多相流国家重点实验室，陕西西安 710049

收稿日期:2017-08-07 修回日期:2017-09-04 出版日期:2018-04-22 发布日期:2018-04-10
通讯作者: 毕勤成 594124820@qq.com

Experimental Research on Forced Convective Heat Transfer Titanium Alloy Twisted Tube

Xinyu DONG, Qincheng BI^*, Miao GUI

State Key Laboratory of Multiphase Flow in Power Engineering, Xi?an Jiao Tong University, Xi?an, Shaanxi 710049, China

Received:2017-08-07 Revised:2017-09-04 Online:2018-04-22 Published:2018-04-10

摘要/Abstract

摘要： 以去离子水为工质，研究了钛合金螺旋扭曲管内的强化传热与流阻性能，并与钛合金圆管比较；根据实验数据拟合螺旋扭曲管内努塞尔特数和阻力系数的实验关联式，并与经典对流传热关联式比较. 结果表明，Dittus?Boelter方程、Sieder?Tate方程、Михеев方程和Gnielinski方程适用于模拟螺旋扭曲管内对流换热特性.

关键词: 螺旋扭曲管, 强化传热, 实验关联式

Abstract: An experimental study with the deionized water was conducted on the heat transfer and flow resistance properties in the internal of the titanium alloy twisted tube. A comparison with the same specification of ordinary tube was carried out. The correlation equations with the Nusselt number and the resistance coefficient were given respective by according to the results of experiment. By comparing with the classical correlations, results showed that heat transfer correlations of transition flow and turbulent flow in a titanium alloy twisted tube were obtained and good agreement was observed between the experimental data and the classical correlations presented by Dittus?Boelter, Sieder?Tate, Михеев and Gnielinski equations, respectively.

Key words: twisted tube, heat transfer, correlations

董新宇毕勤成桂淼. 钛合金螺旋扭曲管内强迫对流实验分析[J]. 过程工程学报, 2018, 18(2): 274-279.

Xinyu DONG Qincheng BI Miao GUI. Experimental Research on Forced Convective Heat Transfer Titanium Alloy Twisted Tube[J]. Chin. J. Process Eng., 2018, 18(2): 274-279.

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钛合金螺旋扭曲管内强迫对流实验分析

Experimental Research on Forced Convective Heat Transfer Titanium Alloy Twisted Tube

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