| 钛合金螺旋扭曲管内强迫对流实验分析 |
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| 引用本文： | 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. DOI: 10.12034/j.issn.1009-606X.217290 |
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| 作者姓名： | 董新宇 毕勤成 桂淼 |
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| 作者单位： | 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 |
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| 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.
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| 关 键 词： | 螺旋扭曲管 强化传热 实验关联式 |
| 收稿时间： | 2017-08-07 |
Experimental Research on Forced Convective Heat Transfer Titanium Alloy Twisted Tube |
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| Xinyu DONG Qincheng BI Miao GUI. Experimental Research on Forced Convective Heat Transfer Titanium Alloy Twisted Tube[J]. Chinese Journal of Process Engineering, 2018, 18(2): 274-279. DOI: 10.12034/j.issn.1009-606X.217290 |
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| Authors: | Xinyu DONG Qincheng BI Miao GUI |
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| Affiliation: | State Key Laboratory of Multiphase Flow in Power Engineering, Xi?an Jiao Tong University, Xi?an, Shaanxi 710049, China |
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| 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. |
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| Keywords: | twisted tube heat transfer correlations |
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